List of the Top 4 On-Prem Closed Captioning Software in 2025

Google Cloud Speech-to-Text serves as an essential resource for closed captioning, facilitating the precise transformation of spoken words into text instantaneously. This technology processes audio and generates captions for video material, thereby increasing accessibility for a broader audience, particularly individuals with hearing disabilities. Its capability to understand various languages and accents guarantees accurate captioning across different linguistic environments. Additionally, the service can identify multiple speakers, improving the quality of captions in settings like interviews, discussions, and presentations. New users can take advantage of $300 in credits to explore this captioning service, simplifying the incorporation of accessibility options into their video projects.

Leading the industry, Speechmatics offers exceptional Speech-to-Text and Voice AI solutions tailored for enterprises seeking top-tier accuracy, security, and versatility. Our robust enterprise-grade APIs enable both real-time and batch transcription with remarkable precision, accommodating a wide array of languages, dialects, and accents. Leveraging advanced Foundational Speech Technology, Speechmatics is designed to support essential voice applications across various sectors, including media, contact centers, finance, and healthcare. Businesses benefit from the flexibility of on-premises, cloud, and hybrid deployment options, allowing them to maintain complete control over their data security while gaining valuable voice insights. Recognized and trusted by global industry leaders, Speechmatics stands out as the preferred provider for premier transcription and voice intelligence solutions. 🔹 Unmatched Accuracy – Exceptional transcription capabilities for diverse languages and accents 🔹 Flexible Deployment – Options for cloud, on-premises, and hybrid environments 🔹 Enterprise-Grade Security – Ensuring comprehensive data management 🔹 Real-Time & Batch Processing – Scalable solutions for varied transcription needs Elevate your Speech-to-Text and Voice AI capabilities with Speechmatics today, and experience the difference that cutting-edge technology can make!

OOONA is a globally acknowledged provider of management and production tools specifically designed for the media localization industry. Known for its innovative software solutions, OOONA addresses the needs of subtitling, voiceover, dubbing, and captioning. The platform's flexible pricing structure, based on a modular and pay-as-you-go model, enables users to tailor their solutions according to individual demands. With a reputation for reliability, OOONA is favored by broadcasters and media localizers, serving a diverse community spanning over 160 countries. This widespread trust underscores OOONA's significant impact on the media landscape.

CapMate is a groundbreaking platform tailored for the quality assurance and enhancement of captions and subtitles, which efficiently identifies various problems and allows users to make necessary adjustments and export the refined captions seamlessly. This platform guarantees that your captions or subtitles adhere to specific industry standards, such as SCC, IMSC, and TTML, while also validating them against major content distribution platforms, including Netflix, Amazon Prime, Disney+, and HBO, among others. It assists users in pinpointing synchronization issues and overlaps between captions and embedded text, providing both automatic and manual correction functionalities for flexibility. Additionally, it swiftly identifies offensive or inappropriate language within captions and empowers users to replace such terms with suitable alternatives of their choice. CapMate boasts a sophisticated web-based interface that streamlines the process of reviewing and modifying captions, facilitating the validation of crucial captioning metrics like Duration, Characters per line, Words per minute, and overlaps of adjacent captions, thus enabling users to uphold high-quality standards efficiently. By incorporating these features, CapMate not only simplifies the captioning workflow but also allows content creators and distributors to concentrate more on their primary tasks while depending on reliable solutions for ensuring caption accuracy and quality. Ultimately, this leads to a more polished viewing experience for audiences and enhances the overall accessibility of content across various platforms.