List of the Top 25 Free File Converters in 2025

OnlineConvertFree provides a vast array of tools for efficient file and document conversion. At present, the platform is available in 15 languages, appealing to a wide range of users. Each day, it serves tens of thousands of individuals seeking conversion solutions. The website, onlineconvertfree.com, features one of the largest compilations of supported formats you can find. Prior to its latest update, the service was restricted to converting document files (over 70 formats), images (over 120 formats), audio files (15 formats), videos (32 formats), e-books, and compressed archives, among others. With the recent enhancements, users now have access to more than 1500 conversion options at no cost, making it an essential tool for anyone needing file transformations. This remarkable variety allows for the seamless conversion of nearly any file type, greatly improving the overall user experience. As a result, OnlineConvertFree continues to attract a growing audience eager to utilize its comprehensive capabilities.

Aid4Mail, an advanced email processing solution from Switzerland, offers three distinct editions tailored to various needs. 1. The Converter edition efficiently collects and converts emails with precision and speed, accommodating all major email services such as Office 365, Gmail, and Yahoo! Mail, as well as various mailbox file formats like PST, OST, OLM, and mbox. This edition is highly regarded for its effectiveness in preparing emails for archival, eDiscovery, and forensic applications. 2. The Investigator edition enhances functionality with robust search capabilities that utilize Gmail and Microsoft 365 syntax, along with native pre-acquisition filters and Python scripting. Its forensic tools empower users to retrieve deleted or hidden emails and to handle damaged or unfamiliar email formats. 3. The Enterprise edition extends its features to include support for Google Vault, Mimecast, and Proofpoint exports, facilitating seamless migration of corporate emails to live accounts across platforms like IMAP, Microsoft 365, and Gmail. Additionally, this edition allows for smooth integration of its command-line interface with custom tools and offers flexible licensing arrangements, including installation on both servers and portable flash drives. With a user base that includes Fortune 500 companies, government entities, and legal experts globally, Aid4Mail has established itself as a trusted resource in the email processing field. Its adaptability and comprehensive features make it an essential tool for organizations dealing with large volumes of email data.

KDAN PDF Reader serves as a comprehensive PDF management solution, allowing users to edit, sign, perform OCR scans, convert, annotate, and fill out forms within PDF documents seamlessly. By incorporating advanced AI capabilities, it enhances the efficiency of your document workflows! Tailored for Mac, iPhone, and iPad users, KDAN PDF Reader is a reliable choice for millions, thanks to its extensive features and user-friendly design. KEY FEATURES EDIT TEXT & PDF • Correct mistakes and typos directly in the PDF - replace, insert, or remove text in documents • Modify images by adding, editing, cropping, and adjusting them within PDFs • Include headers and footers for better organization • Utilize Bates numbering for effective referencing, tracking, and systematic arrangement • Apply stamps or dynamic stamps to convey status, offer feedback, and emphasize key information in the document CONVERT PDF • Offline file conversion - change files without needing an internet connection • Transform PDFs into Office file formats, images, or ePub • Supported formats include docx, xlsx, csv, pptx, rtf, txt, html, jpg, png, BMP, jpg200, pub, and MOBI SIGN & FORMS • Fill out and modify forms as needed • Design fillable forms complete with buttons, checkboxes, and list boxes • Create and apply signatures directly on PDFs • Generate signatures using a trackpad, keyboard, or images EDIT PAGE • Combine and separate PDFs effortlessly • Extract, rearrange, rotate, remove, and crop individual PDF pages • Modify the background color of PDFs for enhanced visibility • Add pages from other documents for comprehensive project management. This makes KDAN PDF Reader not just a tool, but a complete solution for all your PDF needs.

Geekersoft PDF To Word is a free tool that allows users to swiftly convert PDF files into Word documents in just a matter of seconds, making it an invaluable resource for both students and professionals in the corporate world. This efficiency in conversion can significantly enhance productivity and ease the editing process for various users.

TinyWow provides an extensive selection of complimentary online tools focused on file conversion and PDF management, aimed at helping users tackle various tasks. To prioritize user confidentiality, any files—regardless of whether they have been processed—are deleted from the server within an hour. Users can effortlessly convert PDF documents into JPG images, enabling the download of each page as a separate image file. Likewise, TinyWow allows for the conversion of PDF files into PNG format, with each page also available for individual image downloads. This functionality makes TinyWow a practical and adaptable choice for anyone seeking swift and effective file conversion solutions, catering to diverse needs and preferences. Additionally, the user-friendly interface enhances the overall experience, making it accessible for individuals with varying levels of tech-savviness.

MConverter is a versatile online converter that allows for the transformation of various file types, including video, audio, images, e-books, documents, and archives. It simplifies the process of bulk conversions, allowing users to select multiple files from different sources, even using the clipboard with Ctrl+V for convenience. Once the conversion is finished, users have the flexibility to save the output files to any desired location on their device. Additionally, MConverter provides the capability to compress PDF files in bulk, offering options for basic, strong, and extreme compression that can reduce file sizes by as much as 90%, depending on the original document. The tool can also analyze files that lack extensions, attempting to identify their actual formats and facilitating their conversion to usable formats already supported on the user's device. With a wide array of supported formats, MConverter caters to various needs, including those for 3g2, 3gp, 7z, aac, ac3, ai, amv, avi, avif, azw, azw3, bmp, bz2, cab, cbr, cbz, csv, deskthemepack, dng, doc, docx, drawio, epub, fb2, flac, flv, gif, gz, heic, htm, html, ico, iso, jar, jpeg, jpg, json, jxl (jpeg xl), m4a, mcaddon, mcpack, mctemplate, mcworld, md (markdown), mid, mkv, mobi, mov, mp3, mp4, mpeg, mpg, mpo, odp, ods, odt, ogg, opus, pdf, png, ppm, pps, ppsx, ppt, pptx, psd, rar, rtf, sami, smi, srt, sub, svg, tar, tbz2, tgz, themepack, tif, tiff, tini, txt, txz, vob, wav, webm, webp, wma, wmv, xcf, xls, xlsx, xz, and zip. This extensive support ensures that users can convert nearly any file they encounter, enhancing their productivity and convenience.

Aspose.Total Conversion provides a comprehensive online tool that allows users to effortlessly transform their essential document formats. This platform supports a wide array of formats, including word processing files, spreadsheets, presentations, CAD drawings, images, and many other commonly used file types. Users can begin the conversion process by simply clicking the upload area to select the document they wish to convert. Following that, they can choose the desired output format from the extensive list available and click the convert button to initiate the transformation. The converter supports a diverse selection of formats for document conversion, such as DOC, DOCX, DOTX, EMF, EPUB, GIF, JPEG, JPG, HTML, MHTML, OBJ, ODP, ODS, ODT, OTP, TIFF, TXT, XLS, XLSB, XLSM, XLSX, XLT, XLTX, XML, XPS, PCL, PDF, PLY, PNG, POT, POTM, POTX, PPS, PPSM, PPSX, PPT, PPTM, PPTX, PS, PSD, RTF, and many others. Once the conversion is successfully completed, users can promptly download the converted file and have the option to view or share it via email, making the process both efficient and user-friendly. This tool simplifies the task of working with a multitude of document formats, catering to diverse user needs in various professional and personal contexts.

Tooliyo offers a range of online tools for converting files and images, along with HTML utilities for generating QR codes. This platform serves as a comprehensive resource for all your requirements related to image and PDF processing, ensuring you have everything you need in one place. Whether you're looking to transform a document or create a quick QR code, Tooliyo has got you covered.

As the premier online platform for converting Portable Document Format (PDF) files, we offer a user-friendly website that allows individuals to effortlessly create PDF-compatible documents without requiring any specialized software. By simply uploading a postscript-compatible file to our platform and clicking a link, users can swiftly generate their PDF files. Our mission is to deliver a straightforward solution for both casual and moderate users, enabling them to produce PDF files with ease. We provide free conversion and merging services for various image formats, including JPG and PNG. Furthermore, you can customize your PDF by adjusting border sizes, page dimensions, image alignment, and orientation to suit your preferences. Notably, our service ensures that no watermarks are applied to your documents. Users have the convenience of merging several images into a single PDF file in one simple process. Quality is our top priority; our advanced image converter guarantees that the output maintains the highest possible quality. This capability enables us to optimize file sizes for formats such as PNG, TIFF/TIF, WebP, and JPG/JPEG while safeguarding their original quality. We are dedicated to making the image merging process as seamless as possible, resulting in a single PDF file that is ready for immediate download. Our focus on user satisfaction underscores our commitment to handling your files with utmost care and professionalism, ensuring an exceptional experience every time you use our service. Whether for personal or professional use, we aim to exceed your expectations in PDF file conversion.

BitVare's Mac OLM Converter offers a robust solution for exporting a variety of items from OLM files, encompassing emails, contacts, tasks, calendars, notes, and journals into multiple file formats like PST, CSV, PDF, ICS, HTML, EMLX, IMAP, MSG, MBX, and MBOX. This tool allows for effortless bulk migration of OLM files to services such as Gmail, Thunderbird, Yahoo Mail, Windows Live Mail, Office 365, and Outlook.com, all while ensuring the integrity of the data remains intact. Known for its dependability, the Mac OLM Converter also facilitates the concurrent migration of numerous OLM files, proving to be a time-saving option for users with large amounts of data. Additionally, it preserves the original hierarchical organization of the files in the converted output, which is crucial for maintaining data structure. Users can explore its features with a free version that permits the conversion of the first 20 files from each folder within the OLM file, offering a glimpse of its functionality before making a financial commitment. In conclusion, the BitVare Mac OLM Converter is an indispensable tool for individuals looking to transfer their OLM data seamlessly and efficiently. Its user-friendly interface and comprehensive support for various formats further enhance its value, making it a standout choice in the market.

SanPDF, created by Sanshangyun Technology Co. Ltd., is a versatile tool that accommodates a variety of document formats such as PDF and e-books. In addition to supporting these formats, it offers the ability to convert between PDF and various office documents. Our mission is to develop intelligent and user-friendly products tailored for Internet users. By focusing on technological advancements and thoughtful design, we strive to design software that enhances both office and personal experiences. Our goal is to simplify and enrich your daily life, making it more enjoyable and efficient. In addition to PDF, SanPDF supports numerous file types, including XPS and DjVu, alongside popular e-book formats like Mobi, CHM, and EPUB. The software is capable of converting PDF files to multiple formats, including Word (.docx), Excel (.xlsx), PPT (.pptx), as well as transforming images into JPEG and BMP formats. With these features, SanPDF not only streamlines document management but also caters to a wide range of user needs.

Free document manipulation software suites for Windows offer a range of functionalities including seamless conversion, parsing, merging, comparison, and digital signing of documents. They support over fifty different file formats, enabling users to automate document creation directly from their computers without needing an internet connection. Compatibility with Microsoft Office, OpenOffice, and PDF formats is also included, making document merging straightforward. Users can easily compare multiple documents to identify changes in style and content, ensuring accuracy and consistency. Additionally, the software allows for comprehensive management of all file formats, providing options to view, update, and clean metadata. Sensitive information can be efficiently concealed from various types of documents, such as Word, Excel, PowerPoint, and PDFs, enhancing privacy. Enhanced search capabilities enable users to conduct index-based text searches within their files, making it easier to locate specific information. Furthermore, features like page zooming, layout adjustments, and rotation options contribute to a more user-friendly experience when handling documents. Overall, these applications significantly simplify the document management process, catering to both casual users and professionals alike.

We are excited to present a user-friendly API designed for seamless file conversion directly from your application, accommodating a multitude of formats such as documents, videos, images, audio, CAD files, eBooks, and beyond. By utilizing our comprehensive and accessible documentation paired with example code, you can start converting files in just a few minutes—simply consult our getting started guide to complete your initial conversion quickly. This versatile API is compatible with desktop, web, or mobile applications, allowing you to convert files with ease using just one line of code. For users with high conversion volumes, we offer a substantial package of bundled conversion credits in our monthly subscription plans, ensuring discounts that align with your specific usage requirements. Our API is designed with developers in mind, featuring top-notch documentation, clear code examples, and a support team composed entirely of developers, giving you the confidence to integrate it seamlessly into your projects. Moreover, we are dedicated to the ongoing enhancement of our API, responding to the changing demands of developers and their software. We believe that this commitment to improvement will further solidify our API's relevance and utility in the tech landscape.

Experience a high-efficiency file conversion API that supports formats like DOCX, XLSX, PPTX, HTML, PDF, and various image types, allowing you to save both time and expenses while we handle all development and server management tasks. With the capability to create tailored workflows featuring up to 500 conversions and actions, our powerful REST API is designed to ensure optimal performance and reliability, maintaining our leading position in the industry for almost a decade. We pride ourselves on providing exceptional customer support, ensuring client satisfaction through prompt technical assistance to address any issues that may arise. Our API libraries are compatible with all major programming languages and frameworks, making integration seamless for developers. We prioritize your data security with stringent measures, including GDPR compliance, ISO 27001 certification, and the use of isolated PODS that operate on IBM private servers for enhanced protection. Rest assured, our commitment to excellence in service and security sets us apart in the competitive landscape of file conversion solutions.

We take great pride in being the foremost File Uploading and Processing System globally, enabling you to concentrate on what truly matters while we meticulously manage your files. Our robust platform facilitates the conversion of various media formats, such as images, videos, audio, and documents, offering a wide array of features including importing, capturing, filtering, converting, resizing, and merging. With this all-in-one solution, your file processing needs can be easily fulfilled. You can upload and import files effortlessly from numerous sources like mobile apps, web browsers, URLs, Amazon S3, Cloud Files, Azure, FTP, Facebook, and Dropbox, among many others. We support an extensive range of file conversions for every type of media, guaranteeing both compatibility and accessibility. Once processing is complete, you can export your uploads and converted files to your chosen services while also storing the URLs in your database for later use. Moreover, these file URLs can be conveniently embedded into your application, providing users with high-quality media customized for their specific devices. Our platform distinguishes itself as the ideal option as it simplifies the ongoing challenges of encoding, scaling, and technology management, ensuring a seamless experience for all users involved. Ultimately, our mission is to enhance and simplify the whole file processing workflow from beginning to end, making it effortless and efficient for everyone involved in the process.

FileZigZag is a free online conversion tool that supports a wide variety of formats, including audio, video, images, documents, ebooks, and archives. It employs a sophisticated conversion engine that guarantees excellent quality without the need to install any software on your device. Users can easily convert files at no cost, benefiting from a diverse range of supported formats across different categories. The platform is dedicated to broadening its conversion capabilities and is open to feedback from users regarding additional formats. By clicking on a link for a specific source format, users can access the corresponding converter, or they can select a target format to begin a source-to-target conversion. Our servers are powered by top-tier CPUs, enabling you to save your own CPU resources while we manage the conversion process efficiently. With advanced algorithms designed for top-notch quality assurance, you can be confident that your files are handled with precision. In summary, FileZigZag is an intuitive and effective solution that caters to all your file conversion requirements, ensuring a seamless user experience throughout.

Aspose.Total Compress offers a fast and secure way to compress or zip files online. This tool effectively minimizes file size while preserving essential data. The complimentary application enhances document size by eliminating superfluous information, making it simpler to upload and share files. It not only shortens download times but also accelerates email transmissions, improving overall efficiency. The app can handle a variety of formats, including images and documents such as PDFs, word processing files, and spreadsheets. Additionally, it accommodates audio files, e-books, and 3D models. Utilizing advanced Aspose APIs, this application operates smoothly across all major platforms, including Windows, Mac, Android, iOS, and more. To use the compression feature, simply choose the file you want to compress and click the compress button. Upon successful compression, users can download the optimized file, review its contents, or share it with others via email, ensuring seamless collaboration. This versatility makes Aspose.Total Compress an invaluable tool for anyone looking to manage their files more effectively.

Discover a robust 4K video converter that facilitates the effortless transformation of both video and audio files into more than 1000 formats, achieving an incredible conversion speed that is 30 times quicker than conventional methods. By leveraging advanced conversion technology, this versatile media tool allows batch processing of numerous audio and video files while maintaining impeccable 1:1 quality, or even enhancing it in some cases. This free video converter guarantees that you can swiftly convert your media files into your desired format with impressive efficiency. With an extensive selection of output presets tailored for nearly all devices, the EaseUS converter gives you the power to choose both the quality and format for your conversions. You can relish your video clips anytime and anywhere, easily converting them to popular formats like MP4, AVI, MOV, MKV, MPG, and many more—boasting over 500 optimized presets to ensure compatibility across any device. Furthermore, it allows users to convert MP3 or other audio files into various video formats that are suitable for social media platforms like YouTube, Facebook, and Twitter, which typically do not allow direct audio uploads. This audio converter supports a diverse range of audio formats including MP3, M4A, MAV, M4R, AIFF, APE, FLAC, ACS, and AAC, broadening your multimedia options significantly. Prepare to enhance your media experience with this comprehensive conversion solution that adeptly fulfills all your audio and video requirements, making it an essential tool for any multimedia enthusiast. The convenience and efficiency of this converter will undoubtedly transform the way you manage and enjoy your media files.

Easily transform, compress, and alter a variety of multimedia formats such as MP4, MOV, MP3, WAV, PDF, PNG, and JPEG online for free with our intuitive converters designed for video, audio, and PDF files. You can elevate your videos by incorporating a watermark or logo in PNG format, making them ideal for sharing on social media platforms. Our service is perfect for adjusting video dimensions specifically for Instagram feeds, stories, and IGTV. Additionally, trimming MP3 audio tracks is straightforward with our online audio cutter. Combine multiple videos into a single file effortlessly using our free video joiner tool. You can also opt to erase EXIF metadata from images, which may contain sensitive details like geolocation and copyright information. For those who enjoy music, our complimentary MP3 joiner lets you merge various tracks into a single file seamlessly. Likewise, you can consolidate several PDF documents into one using our free PDF joiner utility. If you have animated GIFs, our platform enables you to convert them into MP4 video files effortlessly. You have the capability to rotate your videos by 90 degrees in either direction and flip them according to your preferences. Our tools are also designed to compress video files while maintaining quality, mute videos by completely removing audio tracks, and facilitate the easy download of MP4 videos from popular sites like YouTube, Facebook, and Instagram. Whether you're an everyday user or a professional content creator, our extensive array of tools is tailored to meet all your multimedia editing requirements, ensuring a seamless experience every step of the way.

WALTR PRO revolutionizes file transfer by offering a remarkably straightforward and user-friendly experience. If you aim to upload any file to your iPhone, you can completely disregard any compatibility concerns. Simply drag and drop your desired file into the appropriate destination tile, and WALTR PRO will seamlessly identify the file, convert it into the correct format, and deliver it to your selected location. In response to user feedback from more advanced individuals, WALTR PRO now supports manual adjustments for cover art and metadata. By dragging and dropping files while holding the ‘Ctrl’ key, users can gain complete control over how their media appears. With WALTR PRO, you are no longer restricted to transferring files exclusively to native Apple applications, allowing you to send almost any type of content in any format straight to your iPhone or iPad. Whether you love watching videos on VLC or reading e-books on Kindle, WALTR PRO is designed to meet your needs. In addition to standard music and video support, the PRO version expands your capabilities to include the transfer of documents, images, comics, and Microsoft Word files, greatly enhancing your device's functionality. By offering such a wide array of features, WALTR PRO becomes an essential tool for anyone eager to effortlessly broaden their media collection. Overall, it streamlines the content management process, making it easier than ever to enjoy your favorite files on the go.

Fast Converter.FP3 enables the conversion of either a single file or the contents of chosen folders, complete with nesting capabilities. This software offers both interactive use and command line functionality, allowing users to efficiently convert FastReport VCL documents in bulk into a variety of widely used formats. The output format options include: PDF: Versions 1.4 to 1.7, including PDF/A formats (1, 2, and 3); Office formats: RTF, Excel 2007, Excel 97; Word 2007, PowerPoint 2007, Open Office Calc, Open Office Writer, and XML; Web format: HTML; Graphic formats: BMP, PNG, GIF, JPEG, TIFF, EMF, SVG; Also included are formats for Text and CSV. Additionally, users have the option to generate a PDF by directing their finalized report to a designated printer, which can be specified in the PDF Printer Name parameter found within the settings.ini configuration file. This flexibility allows for seamless integration into various workflows.

Stop wasting your budget on expensive authoring tools, as ScormHero only needs a PowerPoint presentation containing your course material, after which our system will handle everything else for you. Once completed, you can easily download your course and upload it to your chosen LMS or host it on your website. We've listened to your feedback, and now you have the ability to convert videos into SCORM format; even a YouTube video can be transformed into a SCORM package. Sometimes, slides alone don't engage your audience effectively, and incorporating brief videos can provide valuable insights for your students. It's worth mentioning that you can record directly via your browser without needing any additional software. With a few simple adjustments, your course can achieve a more polished look, allowing you to alter colors and integrate your company logo seamlessly. The best part is that you can personalize your course even further by adding voiceovers, quizzes, and videos, which are all features included in our Pro Plan. Moreover, this plan is significantly more affordable than other authoring options, costing just a fraction of their monthly fees, so you can feel confident in your investment. Enjoy the ease and flexibility that ScormHero brings to your course creation process.

With Quicktools, you can seamlessly eliminate backgrounds from your images, edit videos, and change file formats with ease. The extensive features offered by Picsart Quicktools enable users to alter file types, design personalized calendars, and enhance their images effortlessly. You can rotate images for optimal use on social media, in messages, or within documents, and share them with friends in just moments. If your image is too large, take advantage of our social media presets or manually crop it using the Crop Image tool. Moreover, you can create stylish fonts and distinctive text styles for your social media bios and other applications. Boost your business presence with engaging advertising copy that grabs attention across various platforms. If you're struggling to find the right words, this tool can offer you a fresh perspective. All of our tools prioritize user-friendliness and generate easily downloadable files, letting you focus on what matters most. Simply upload or select your content, then create, convert, and design in just a few clicks, with your finished product ready for download in seconds; it truly is that simple. Discover the efficiency and convenience of Quicktools, and effortlessly elevate your digital creations while saving valuable time in the process.

Switch stands out as the most reliable and extensive audio file conversion tool on the market. It enables users to transform various audio formats like WMA, WAV, AIFF, and even video formats such as AVI and MPEG into MP3 files with ease. Additionally, you can extract audio from video files while making real-time adjustments to sound levels. With support for over 75 different audio formats, Switch MP3 Converter ensures that you can always locate the specific format required for your needs. This versatility makes it an essential tool for anyone working with audio files.

Effortlessly convert a variety of 3D file formats, including STL, 3DS, 3DP, 3MF, OBJ, and PLY, with the Spin 3D file converter, which supports a wide array of additional formats such as MQO, SDF, AC, ASE, B3D, and BLEND. Known for its reliability and ease of use, this all-encompassing tool allows for swift conversions of 3D meshes just moments after installation, featuring a quick one-click conversion method. Users can conveniently carry out batch conversions, processing multiple files at once and streamlining their workflow with minimal effort. Whether your goal is to produce models for 3D printing or to prepare assets for gaming and editing applications, Spin 3D meets your requirements by transforming your designs into the appropriate formats. Furthermore, you can share your 3D creations in the file types preferred by your clients, enhancing collaboration. The software also provides the ability to preview both the original and converted files prior to completing the conversion, ensuring that you are entirely satisfied with your selections. Additionally, the comprehensive nature of Spin 3D makes it an essential tool for professionals engaged in the production and manipulation of 3D models, as it caters to a wide spectrum of creative needs.