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What is PDF4?

PDF4 is an all-encompassing mobile solution for managing PDFs, empowering users to scan, edit, convert, and secure their documents seamlessly on their devices. With a robust suite of editing tools, it allows users to modify text, images, and pages, and offers functionalities for merging, splitting, reordering, or rotating content. The app also provides sophisticated conversion options to transform images or Office formats into PDFs and back, including turning PDF files into formats like Word, PowerPoint, or Excel. Furthermore, it features Optical Character Recognition (OCR) technology for extracting searchable text, alongside options for password protection, annotations, and form filling. Users can optimize their productivity by compressing files, cropping pages, and incorporating metadata, watermarks, or barcodes. Additionally, automation capabilities such as job flows for batch processing are available, catering to desktop users as well. The software also supports extensive integrations, including browser extensions, connectors for Zapier and Power Automate, as well as add-ins for Microsoft Teams and Outlook, which streamline PDF management across different platforms and bolster collaborative workflows. In summary, PDF4 stands out as a versatile tool designed to enhance document handling experiences for users in diverse settings.

What is BoostPDF?

BoostPDF is an online PDF editor with more than 30 tools in one place. It runs in the browser on Windows, Mac, Linux, Chromebook, phones and tablets, and there is an Android app that adds a document scanner. What it does - Edit the existing text in a PDF, and add text, images, drawings, highlights, stamps, QR codes and barcodes - Sign documents with a drawn signature and fill in forms - Merge, split, rotate, reorder, crop, add and remove pages - Compress PDFs, including to a target size such as under 1 MB - Convert PDF to and from Word, JPG and PNG - OCR scanned PDFs in 19 languages - Permanently redact sensitive text, with optional withholding grounds - AI summaries, translation into 37 languages, quizzes and chat with page references Where your file goes Signing, annotation, form filling, redaction and page tools work in the browser without uploading the file. Compression, conversion, OCR and password protection use BoostPDF's servers, which delete uploads right after processing; result links expire within an hour. AI tools send the document text to an AI provider. Pricing The free plan has daily limits per tool and a 10 MB file limit. BoostPDF Pro is US$6.49 per month or US$62.30 per year, with no daily limits (OCR and AI tools keep fair-use caps) and files up to 100 MB.

Media

Media

Integrations Supported

Microsoft 365
Microsoft Excel
Microsoft Outlook
Microsoft Power Automate
Microsoft PowerPoint
Microsoft Teams
Microsoft Word
Zapier

Integrations Supported

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

$6.49/month
Free: daily limits per tool, files up to 10 MB. Pro: US$6.49 per month or US$62.30 per year; no daily limits (OCR and AI tools keep fair-use caps), files up to 100 MB.
Free Version

Supported Platforms

Android
iPhone

Supported Platforms

SaaS
Android

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Online Training

Training Options

Documentation Hub

Company Facts

Organization Name

PDF4

Company Location

United States

Company Website

www.pdf4.com

Company Facts

Organization Name

BoostPDF

Date Founded

2025

Company Location

New Zealand

Company Website

boostpdf.com

Categories and Features

PDF

Not specified

Categories and Features

PDF

Annotations
Convert to PDF
Encryption
Merge / Append
PDF Reader
Watermarking

PDF Compressors

Not specified

PDF Converters

Not specified

PDF Editors

Annotations
Commenting / Notes
Delete Pages
Electronic Signature
Forms Management
Merge / Append
Optical Character Recognition (OCR)
Rearrange Pages
Rotate Pages
Watermarking

PDF Merge

Not specified

PDF Splitters

Not specified

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