Create subtitles in seconds using AI, brand-kit styling, and support for more than 30+ languages. Start free and reach wider audiences.

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Free to start

30+ languages

Upload your video file in seconds – Capsai supports MP4, MOV, AVI, MKV, and 60+ other formats. You can also paste a YouTube, Vimeo, or TikTok link to start instantly. Once uploaded, our AI subtitle generator begins processing your video and preparing accurate, time-coded subtitles automatically.

Choose your source language and let Capsai generate perfectly synced subtitles in seconds. You can also translate subtitles into 100+ languages to expand your reach globally. Every subtitle is precisely timed and structured for natural reading flow.

Fine-tune subtitle text, adjust subtitle timing on the waveform, and customize subtitle fonts, colors, positioning, and animations. When you're ready, export subtitle files in SRT, VTT, or STL format – or burn subtitles directly into your video for social platforms.

Use Capsai’s AI-powered subtitle generator to automatically create subtitles in 100+ languages. Instantly translate subtitles, export SRT or VTT files, and publish your videos across YouTube, Instagram, LinkedIn, TikTok, and other social platforms.
With multilingual subtitles, your content becomes accessible to viewers worldwide - without extra editing work. Capsai handles subtitle timing, subtitle translation, and subtitle export in one seamless workflow, so you can focus on creating while your subtitles help you reach new audiences.
Make every video searchable, accessible, and globally ready with accurate, professionally formatted subtitles - all generated online in minutes.

Adding accurate subtitles keeps viewers watching longer - especially on mute-first social feeds. With Capsai’s auto subtitle generator, you can generate subtitles instantly and keep your audience engaged from the first second to the last.
Customize your subtitles with branded fonts, colors, positioning, and on-screen subtitle animations to make your content more dynamic and easier to follow. Well-designed subtitles not only improve clarity but also increase watch time and viewer retention.
With a single click, burn subtitles directly into your video file or export subtitle files for platform uploads. Highlight key moments with styled subtitles, reinforce your message with clear caption text, and improve click-through rates across YouTube, Instagram, TikTok, and other social platforms.
Smart subtitles don’t just improve accessibility - they drive engagement, boost retention, and help your videos perform better everywhere.

Turn spoken audio into SEO-friendly text with Capsai’s automatic subtitle generator. When you add subtitles, search engines can index every spoken word - so your videos show up in more searches and attract more organic viewers. Export clean transcripts for blog posts or video descriptions, include the transcript in your page’s VideoObject schema, or burn subtitles directly into MP4s for social platforms.
Use translated subtitles to unlock regional search traffic, and keep subtitle formatting consistent with reusable templates. With accurate subtitles and indexed transcripts, your videos become discoverable content assets that drive long-term traffic.
Automatically convert speech to searchable text with Capsai’s subtitle generator. Export SRT/VTT or clean transcripts, add them to your page and VideoObject schema, or burn subtitles into MP4s - all to help your videos rank in more search results and bring steady, organic traffic.
Control Characters Per Second (CPS) to ensure your subtitles are easy to read and perfectly paced. Capsai automatically optimizes subtitle length and timing so viewers have enough time to comfortably read every subtitle without feeling rushed.
Set precise subtitle starting timestamps to control exactly when subtitles appear. Adjust subtitle timing manually or fine-tune timecodes to sync subtitles perfectly with speech.
Download your subtitles in industry-standard formats including SRT, VTT, STL, and TXT. Capsai also supports export formats compatible with Final Cut Pro, Premiere, Avid, and other professional editing tools.
Share subtitle files with your team in view-only or edit mode. Collaborate on subtitle edits, review subtitle timing, and manage subtitle projects together in one centralized workspace.
Edit subtitles in real time using a visual timeline and audio waveform. See exactly where subtitles align with speech and quickly adjust subtitle positioning for frame-accurate synchronization.
Create dedicated workspaces to organize subtitle files and collaborate efficiently. Manage subtitle templates, track revisions, and streamline subtitle workflows across your team.
Integrate Capsai with your video platforms and tools. Automate subtitle generation using API access and connect subtitle workflows directly to your content pipeline.
Translate subtitle files into 100+ languages instantly. Maintain subtitle timing and formatting while expanding your content reach with accurate multilingual subtitles.


Using AI for subtitle generation with Capsai makes adding subtitles faster, easier, and more efficient than ever. Instead of spending hours manually typing and syncing subtitles, Capsai’s auto subtitle generator handles the heavy lifting in minutes. Your subtitles are generated automatically with accurate timing, meaning you only need minimal subtitle editing before publishing
Capsai delivers highly accurate subtitles that require fewer corrections, saving you valuable production time. Whether you're creating subtitles for YouTube, Instagram Reels, online courses, or marketing videos, Capsai ensures your subtitle workflow stays smooth and scalable.
With built-in subtitle translation in over 100 languages, you can instantly convert your subtitles into multilingual subtitle files. Translating subtitles is just a few clicks away, helping you reach a global audience without recreating subtitles from scratch
Customization is another major advantage. Capsai allows you to style your subtitles exactly how you want - adjust subtitle font size, subtitle position, subtitle colors, background boxes, and animation effects. You can create branded subtitle templates so every video maintains consistent subtitle design across platform
Subtitles are text originating from a dialog or commentary transcript or screenplay in movies, TV shows, video games, and the like, generally shown at the bottom of the screen, but may also be at the top of the screen if the text at the bottom of the screen is already present.
By using CapsAI's automatic subtitle generator you will be able to generate subtitles in 120+ languages. Just upload or add a link to your video and our subtitling software will extract the speech from your video file and convert it into subtitles with 85% accuracy.
CapsAI offers both free trials and paid plans. You can test the subtitle generator for free and upgrade for more features or longer videos.
Yes! CapsAI includes an easy-to-use online subtitle editor that lets you adjust timing, text, and formatting before exporting your final subtitles.
The automatic subtitles are up to 85-95% accurate. For professional results, you can choose human-made subtitles with up to 99% accuracy.
Adding subtitles improves video accessibility, boosts engagement, increases watch time, and helps your content reach global audiences.
Yes, all video and audio files are securely stored and processed using industry-standard encryption and data privacy practices.
You can export subtitles in industry-standard formats such as SRT, VTT, STL, and TXT. These formats work across YouTube, Vimeo, players, and most video editors.
SRT is a simple subtitle format widely supported by platforms; VTT (WebVTT) adds styling and metadata (positioning, cues) useful for web players and advanced caption styling.
Yes - Capsai lets you either burn subtitles (hardcode into an MP4) or export sidecar subtitle files (SRT/VTT) so you can choose the workflow that fits each platform.
Absolutely - you can include speaker names, [music], [laughter], and other SDH cues so subtitles are accessible and compliant for Deaf and hard-of-hearing viewers.
Yes - when translating subtitles Capsai maintains timestamps and adjusts line breaks so translated subtitles remain readable and appear at a natural pace.
Use global time shift to offset all subtitles or edit individual line timestamps in the waveform editor to sync captions precisely with speech.
CPS measures reading speed; Capsai helps optimize CPS so subtitles aren’t too long for viewers to read, improving comprehension and watch time.
Yes - customize subtitle font, size, color, background box, outline, and drop shadow to match your brand and improve readability on different platforms.
Yes - when you host the transcript/subtitles on your page and include it in VideoObject schema, search engines can index spoken content for better discoverability.
Yes - paste a public YouTube, TikTok, or Vimeo link and Capsai will fetch the audio, transcribe it, and create time-coded subtitles automatically.
Accuracy varies by audio quality and accent, but Capsai’s models are tuned to handle diverse accents; you can quickly edit any remaining subtitle errors in the editor.
Yes - export subtitle transcripts as TXT for episode show-notes or publish full transcripts beneath embedded audio to improve SEO and accessibility.
Yes - Capsai supports batch subtitle generation so teams can process series, playlists, and course modules in a single workflow.
Yes - Capsai exports subtitle formats (SRT, STL, etc.) compatible with Premiere Pro, Final Cut Pro, Avid, and other NLEs for post-production workflows.
Subtitles display spoken dialogue; closed captions (CC/SDH) include non-speech cues and can be turned on/off, improving accessibility and legal compliance.
Yes - Capsai supports romanized and regional subtitle outputs (e.g., Hinglish) so captions match how local audiences search and read.
Upload the SRT/VTT file and add a <track kind="subtitles" src="file.vtt" srclang="en" label="English"> element to your HTML5 <video> tag.
Yes - preview modes for desktop and mobile let you check subtitle size, placement, and safe areas before exporting the final file.
Include speaker labels, non-speech cues, accurate timestamps, and proper punctuation in your subtitle files to meet SDH (subtitles for deaf and hard-of-hearing) requirements.
Yes - subtitle files and transcripts are processed securely with standard encryption and project controls; you can delete projects and files at any time.
Yes - upload SRT to YouTube or publish the transcript beneath your video and add VideoObject schema so subtitles help your video rank for long-tail queries.
Capsai can detect and transcribe multiple spoken languages; you can then generate and export separate subtitle files for each detected language.
Yes - Capsai supports RTL subtitle formats and ensures proper rendering and line breaks for languages like Arabic and Hebrew.
Use the editor’s find-and-replace or the profanity filter to mask, remove, or replace words across your subtitle file before export.
Yes - team and workspace permissions let you set view-only or edit access so subtitle files are controlled and audited by your team.
Burned-in MP4 contains the subtitle pixels rendered into the video; sidecar downloads (SRT/VTT) are separate files you can also download.
Use shorter subtitle lines, larger fonts, careful placement above UI elements, and test in mobile preview to ensure readability in small screens.
Yes - export subtitle or transcript files with timestamps that can be repurposed as chapter markers or clickable timestamps in video players.
Yes - Capsai offers API endpoints to upload media, request subtitle generation, and retrieve SRT/VTT files so you can automate bulk subtitle workflows.
Use the in-editor search, waveform alignment, and quick edit tools to remove repetitions, correct errors, and re-run a targeted pass for improved subtitle accuracy.