Best Web-Based Closed Captioning Software of 2025

Google Cloud Speech-to-Text serves as an essential resource for closed captioning solutions, enabling precise transcription of spoken dialogue into written text instantaneously. By transforming audio into captions for video material, it effectively broadens accessibility for a diverse audience, particularly benefiting individuals with hearing disabilities. The platform's capability to recognize a variety of languages and accents guarantees high accuracy in transcripts, even in multilingual settings. Additionally, it can identify different speakers, improving the clarity of captions for interviews, panel discussions, and presentations. New users can take advantage of a $300 credit to explore this closed captioning feature, offering a seamless method to incorporate accessibility into their video projects.

Best-in-Market Speech-to-Text & Voice AI for Enterprises. Speechmatics delivers industry-leading Speech-to-Text and Voice AI for enterprises needing unrivaled accuracy, security, and flexibility. Our enterprise-grade APIs provide real-time and batch transcription with exceptional precision—across the widest range of languages, dialects, and accents. Powered by Foundational Speech Technology, Speechmatics supports mission-critical voice applications in media, contact centers, finance, healthcare, and more. With on-prem, cloud, and hybrid deployment, businesses maintain full control over data security while unlocking voice insights. Trusted by global leaders, Speechmatics is the top choice for best-in-class transcription and voice intelligence. 🔹 Unmatched Accuracy – Superior transcription across languages & accents 🔹 Flexible Deployment – Cloud, on-prem, and hybrid 🔹 Enterprise-Grade Security – Full data control 🔹 Real-Time & Batch Processing – Scalable transcription 🚀 Power your Speech-to-Text and Voice AI with Speechmatics today!

We offer EoleCC a collaborative subtitling solution! Everything is generated automatically by our artificial intelligence tools. The real plus? You can intervene to check, correct and adjust the subtitles generated by EoleCC. How does it work? - Upload your audio or video (podcast, for example). - Artificial intelligence enables automatic transcription and translation in 120 languages - Validation and collaboration by users - Subtitle embedding: Subtitles are embedded automatically in the video according to the selected graphic chart. - Share the video and subtitle (.srt file): Upload, post to Twitter, YouTube, or Dropbox.

Clevercast allows you to broadcast live streams with multiple audio languages, AI generated closed captions, and other cloud-based technologies. Our multilingual video player allows viewers to see the stream from anywhere in the world and choose their preferred language. Our AI powered platform is able to increase the quality of multilingual live streaming while reducing costs – something that was not thought possible until recently. Clevercast offers the same quality for AI generated closed captions in live streams as people are used to from Netflix or television. The option of having language professionals correct the AI speech-to-text conversion in real time, before it is added to the live stream, is unique to Clevercast. This is perfect for high-profile events.

Otter is where conversations are. With Otter, your AI-powered assistant, you can create rich notes for interviews, meetings, lectures, and other important voice conversation. The Otter advantage is a benefit for organizations. Otter is trusted by all sizes of teams to transcribe important conversations. Otter 2.0, our shiny new release, offers more functionality to enhance collaboration and productivity. The Teams plan is designed for small and medium-sized businesses as well as teams in larger companies. You can record and review your conversations in real-time. You can search, play, edit, organize and share your conversations on any device. Otter allows you to record conversations on your smartphone or web browser. You can import or sync recordings from other services. Zoom can be integrated. Real-time streaming transcripts are available. Within minutes, rich, searchable notes can be created with text, audio, images and speaker ID. To inform others and stay on the same page, you can share or export voice notes.

Effortlessly generate transcripts, subtitles, and voiceovers in mere minutes with state-of-the-art speech-to-text software featuring an integrated advanced text editor. This tool supports translation in English, French, Spanish, German, and over 80 other languages. Save both time and resources through Maestra’s automatic audio transcription capabilities, which convert audio files to text in just seconds. Enjoy a complimentary 15-minute trial without the need for a credit card. By utilizing online automatic subtitling software, you can create subtitles for videos in a fraction of the time it would normally take. Additionally, the platform allows for automatic translation of these subtitles into more than 80 languages. With the Maestra video dubber, you can easily add voiceovers to your videos in foreign languages, utilizing the power of artificial intelligence and synthetic voices to enhance your content's reach and accessibility. This comprehensive solution not only streamlines your workflow but also elevates the quality and versatility of your video productions.

Designed to be the most flexible meeting productivity tool for the hybrid work era, Airgram empowers teams to have meetings in the most efficient, engaging and enjoyable way possible. With Airgram, teams or individuals will be able to: - Record and transcribe Zoom, Google Meet, or Microsoft Teams meetings with speaker identification in real time. - Collaborate on meeting minutes, and assign action items with due dates. - Share meeting notes to Slack, or export transcripts to Notion, Microsoft Word, and Google Docs to keep everyone posted. - Review meetings with HD video recordings and timestamped notes. Skim for crucial information via AI-based entity extraction. - Create clips from an unstructured text to turn your meetings into key highlights. - Manage shared recordings, transcripts, and meeting notes with team members together in the workspace. Have you tried Airgram yet? Was Airgram helpful for you? How can we make Airgram better for you? Share your feedback here! :)

Transcript audio automatically and convert audio to text Transkriptor allows you to upload your file and convert it to text. Transkriptor's powerful artificial Intelligence generates online transcriptions in a matter of minutes. Many professionals and students use Transkriptor. Transkriptor can be used for video transcription, lecture transcription, and interview transcription. Transkriptor creates editable TXT, word or SRT files. Transkriptor allows you to download your transcriptions in seconds. You can also use Transkriptor’s online editor to make quick and easy edits. Get more out of school, work, or life by signing up today. Transkriptor, despite being one of the most powerful AI solutions, is very easy to use. Transkriptor is an online speech to text converter. Upload your file and you can start.

Videolinq is an all-in-one video platform that helps broadcasters reduce time and cost when creating professional high-quality live broadcasts for online distribution. Services include creating real-time automated closed captioning for live stream or recorded files, instant transcript export, a no-code player wizard that can point to any CDN, protecting streams, monetization tools, and a workspace for teams to create live streams, engage viewers, and grow audiences on multiple social media platforms.

You can upload any audio or video file, as we support all formats. After uploading, you can check your transcript, which includes timestamps and identifies speakers. The transcripts are available for saving and exporting in various formats such as MS Word, PDF, SRT, VTT, and more. The accuracy of the transcript is influenced by the quality of the audio, so ensure that your recordings are clear for the best results. With Temi's complimentary transcription editor, you can make quick edits to your transcripts online in just minutes. This tool is developed by experts in machine learning and speech recognition. You can easily refine the generated transcript, modify playback speed, and navigate through the content swiftly. Temi tracks the timing of each word meticulously, allowing you to add specific timestamps. Each change in speaker is marked and labeled for clarity. Finally, you can download your transcript in text formats like MS Word or PDF, or as closed caption files in SRT or VTT formats for your convenience. This comprehensive service ensures that you have all the tools necessary for effective transcription management.

Ava is dedicated to equipping individuals who are deaf or hard of hearing, as well as inclusive organizations, with an exceptional live captioning solution suitable for any circumstance. With just a single click, you can instantly generate captions for your conference calls, regardless of the platform you utilize. To enhance accuracy, you can also enlist a professional scribe for immediate corrections in real time. Ava Closed Captions, compatible with both Mac and Windows, ensures that captions are always visible above the video call, shared screen, or presentation, allowing you to engage comfortably. Our collaboration extends to employers, educators, event planners, and accessibility advocates who aim to fully integrate their deaf and hard-of-hearing participants. By using Ava, you gain a significant degree of independence in various aspects of your daily routine. Everyone deserves access to effective communication, and we encourage you to spread the word about Ava to your friends, family, and colleagues. With a mission to empower 450 million deaf and hard-of-hearing individuals, Ava strives to create a world where accessibility is the norm. This vision not only enhances communication but also promotes inclusivity across all sectors of society.

Bid farewell to the tedious process of manual captioning, as Vsub's innovative auto-captioning feature seamlessly converts your videos into text. Enhance your content by automatically highlighting essential keywords, allowing your main ideas to stand out in an instant and boosting viewer engagement with ease. Add flair to your videos through stylish templates, and effortlessly achieve a polished look with user-friendly design options crafted by the Vsub team. With these tools at your disposal, creating captivating and professional content has never been simpler.

The fusion of advanced AI text-to-speech technology and our proprietary Natural Captions engine allows for the creation of impeccably formatted captions, mimicking the work of an experienced human subtitler, yet accomplishing this feat in mere seconds rather than days. Our automated transcription service produces text that is nearly flawless, leaving you with the simple task of refining it directly from your browser, utilizing intelligent notifications and validated workflows for effortless collaboration with your team or agencies as necessary. Experience the advantage of perfect subtitles at an accelerated pace. Furthermore, machine translation can convert subtitles into 103 different languages with just a single action. You can then assign professional linguists to enhance these translations and manage video splitting for collaborative efforts. If you lack your own linguists, we can connect you with our trusted translation partners. Say goodbye to the tedious process of manual downloads and uploads for videos and subtitle files. You can seamlessly publish your subtitles directly from CaptionHub with a single click, thanks to our highly secure integrations with various video platforms, making the entire process more efficient. This automated system not only saves time but also ensures a smooth workflow for all your captioning needs.

Azure Video Indexer is an intelligent video analytics platform that leverages artificial intelligence to derive valuable insights from videos stored in your library. It facilitates enhancements in ad placement, digital asset management, and media libraries by scrutinizing both audio and visual content, eliminating the need for machine learning skills. By utilizing video indexing, you can improve search functionalities, as it automatically extracts pertinent information from your videos through metadata. The service offers multichannel analysis, enabling a more efficient search experience across your entire media collection and within individual files. Users can search for content based on various criteria such as individuals, projects, visual text, spoken words, entities, and topics. The metadata that is extracted can significantly enrich the user experience and interface. Additionally, it allows for easy integration of closed captions in multiple languages through speech transcription and translation features. Furthermore, you can refine recommendation systems based on the presence of specific objects and individuals in videos, while also having the ability to generate clips that highlight particular people or moments. This level of customization and insight makes Azure Video Indexer an invaluable tool for media professionals.

SyncWords leads the industry in automating captions and subtitles for both live and pre-recorded media. We unite specialists from broadcasting, machine learning, and web design to develop exceptional and groundbreaking solutions. Our proprietary artificial intelligence and automation technologies are integrated throughout the entire captioning workflow. For online meetings and streaming platforms, we provide real-time live subtitles, enhancing accessibility and engagement. Event producers can also benefit from our live captioning services during their events, ensuring audiences can follow along seamlessly. Additionally, we cater to OTT and broadcast platforms by delivering subtitled content in over 100 languages globally. Our Caption Media solution enables the rapid and cost-effective creation of high-quality captions using top-tier AI technology. For those without existing transcripts, our Transcribe Media service allows for easy caption production, with options for both human and automatic speech recognition (ASR). Furthermore, we offer translation services to create subtitles in more than 100 languages, broadening the reach of your content. Ultimately, our commitment to innovation positions us as a leader in the captioning and subtitling landscape.

Create your event page, integrate your media player, and select your preferred registration process. We handle the platform, allowing you to concentrate on delivering your live content. As soon as you add a new event, your event page is automatically generated, serving as the access point for your audience to join your live stream. This page is customizable, and you can even embed it within your organization's website for a more tailored appearance. It is compatible with videos from multiple CDNs, such as Vimeo and DaCast. Utilize our management dashboard for comprehensive control over your event. The days of needing to transport numerous encoders for multilingual broadcasts are behind you, as you can now effortlessly create translated versions of your live streams. Additionally, our viewer questions feature will simplify your interactions, accommodating a variety of scenarios for a smoother experience. With these tools, you can focus more on engaging your audience while we take care of the technical aspects.

Consider the various languages available for your content, as each language represents a potential new audience, necessitating careful targeting of your desired leads. There are two main types of transcription, outlined below, both of which involve speech, thus categorizing them as transcription AIs. When preparing to share your video on social media platforms, it is crucial to ensure that your video adheres to the specific formatting guidelines required by each channel. Failing to comply with these standards can negatively impact user experience, resulting in issues such as distorted visuals, unreadable captions, or even videos that fail to play altogether. By following the straightforward tips and tricks provided below, you can enhance the effectiveness of your content and increase conversion rates significantly! Additionally, taking these steps can help you establish a stronger connection with your audience by ensuring that your message is communicated clearly and effectively.

Txtplay not only enhances the accessibility of your audio and video content for all users, but it also uncovers hidden capabilities within your media by providing searchable metadata. This feature simplifies the processes of archiving, search engine optimization, and compliance management significantly. After uploading your media and choosing your preferred language, our advanced speech recognition technology will handle the task efficiently, and you’ll receive a notification upon completion. While our AI works its magic, you can stay focused on other tasks. We seamlessly link your media to the transcript in our online text editor, which allows you to make updates, highlight important sections, identify speakers, and easily search through your text, all while navigating through your audio or video content. Supporting over 20 different formats such as SRT, VTT, and .docx, you can customize the export settings with various details like Timecode, Atlas format, and speaker identification. Additionally, we offer options that cater to developers, making integration straightforward and efficient for various projects. This ensures that Txtplay not only meets your immediate needs but also adapts to future requirements as your media demands evolve.

AutoCaption is an innovative AI-driven tool designed for generating captions and subtitles, enhancing video content for platforms like Instagram, TikTok, and YouTube with automated transcription and lively animated emojis. By harnessing advanced artificial intelligence technology, it significantly reduces the time users spend on editing, thereby streamlining the video creation process. The platform allows users to effortlessly produce subtitles while providing extensive customization options, such as editing text, and adjusting animations, fonts, and colors. With just a single click, users can seamlessly integrate emojis, which can also be tailored in terms of size, placement, and animation effects. Supporting over 56 languages, AutoCaption accommodates a diverse audience, making it easier than ever to create inclusive content. Additionally, the tool offers a variety of ready-made templates alongside the flexibility to design custom templates that preserve individual preferences. Tailored for vertical video formats, AutoCaption boasts an impressive resolution of 1080x1920 (FULL HD) and operates at a smooth 60 FPS, ensuring high-quality output for modern video demands.

OOONA is an internationally recognized provider of management and production tools in the media localization sector. OOONA is renowned for its cutting-edge software that caters to subtitling and voiceover needs, as well as dubbing, captioning, and dubbing. Its modular, pay-as you-go pricing model allows users to customize solutions to meet their specific requirements. OOONA is trusted by broadcasters, media localizers and a large user base in over 160 countries.

Line 21 offers AI-powered live subtitles and captions to ensure seamless accessibility for digital content, streaming platforms and live events. Our hybrid approach combines AI automation and human expertise to deliver high-accuracy subtitles that adapts to industry-specific terminologies, accents, or niche references. Our AI Proofreader enhances real-time captions to reduce errors and make live experiences more engaging. Our solution is for event organizers and broadcasters who require high-quality, scalable captions. ASR solutions are often inaccurate and expensive, while traditional human captioning is costly and non-scalable. Line 21 bridges the gap by offering real time AI-enhanced subtitles that seamlessly integrate into event tech and stream workflows.

We offer a comprehensive video accessibility solution that you can rely on for exceptional quality, quick turnaround times, and outstanding support. Our services include both live and post-production captioning, available in over 20 languages, with an impressive accuracy rate of 99%. In total, we support more than 40 languages, ensuring high-quality results with a variety of service options to cater to your needs. With captions, viewers are 80% more inclined to watch an entire video; this is particularly important considering that 60% of individuals with hearing loss are engaged in either the workforce or educational environments. Furthermore, it's noteworthy that 80% of caption users are not Deaf or hard of hearing, highlighting the broad appeal of this feature. We pride ourselves on being the only provider in the industry that guarantees true 99% accuracy. Our turnaround options are highly flexible, with some projects completed in as little as two hours, and every client benefits from personalized, white-glove support along with a dedicated account manager. We also offer over 20 integrations and custom APIs to streamline your captioning workflow seamlessly. Our user-friendly account system simplifies the processes of ordering, downloading, and organizing files, while we maintain a remarkable 99.9% compliance with deadlines and have the capability to handle large volumes of files efficiently. Ultimately, our commitment to quality and service ensures that you receive the best possible experience in video accessibility.

This service seamlessly integrates cutting-edge video and audio functionalities with an intuitive web services interface and flexible pay-as-you-go pricing. By utilizing AWS Elemental MediaConvert, users can concentrate on creating engaging media experiences without the burden of developing and managing their own video processing systems. The platform supports a diverse array of internet and professional media formats, enabling the production of top-notch video outputs that are visually appealing across various devices. With capabilities for ultra-high definition resolutions, high dynamic range video, graphic overlays, advanced audio features, content protection, and closed captioning, AWS Elemental MediaConvert provides a comprehensive suite of tools for delivering premium viewing experiences. Notably, the service eliminates the need for any setup, management, or upkeep of the underlying infrastructure. Users can easily process video files and clips to efficiently prepare content for on-demand distribution or long-term archiving, making it a highly versatile solution for media professionals. This adaptability makes AWS Elemental MediaConvert an invaluable asset for anyone looking to enhance their media delivery capabilities.

Easily upload both subtitle and video files to seamlessly synchronize text with video content. By providing the video alongside a raw transcript file that lacks timeline information, the system will automatically generate timestamps for the transcriptions. After editing your subtitles online, you can conveniently download either the subtitle files or the video with embedded subtitles. The platform supports a variety of original video languages including English, Spanish, Simplified and Traditional Chinese, Cantonese, Japanese, Korean, French, Thai, Russian, Portuguese, German, Italian, Vietnamese, and Arabic. To maintain clarity, a single line word limit is enforced, ensuring that no more than a specified number of words appear in each subtitle line. This means that in cases where a paragraph is lengthy, the system intelligently divides the text to comply with the single line word restriction, thereby enhancing the visibility of the subtitles and making them easier to read. Additionally, this feature caters to a diverse audience by accommodating various language preferences.

Open captions provide a synchronized text representation of spoken dialogue and relevant sound effects that are shown directly on the screen, remaining permanently visible as they are integrated into the video itself. In contrast to closed captions, which can be toggled on or off, open captions are a fixed element of the visual content. At CaptioningStar, we specialize in delivering open captions that adhere to FCC, CVAA, and ADA standards for videos across various genres. Our dedicated team of skilled captioners and experienced translators takes pride in enhancing your videos through precise captioning. These captions are positioned either at the top or bottom of the screen, ensuring that they do not obstruct the visual elements of the video while allowing for smooth transitions to new text. With carefully timed synchronization, captions align seamlessly with each individual frame of the footage. Open captions are particularly beneficial for individuals who are hard of hearing, as they provide accessible information without requiring any adjustments. It is recommended to limit the display to one to three lines of text for a duration of 3 to 6 seconds before transitioning to the subsequent caption, maintaining clarity and readability throughout the viewing experience. This thoughtful approach ensures that the audience remains engaged without feeling overwhelmed by excessive text on the screen.