AutoSub › Guides
AutoSub guides
Practical walkthroughs for the most common subtitle jobs. Each guide follows the real app: open AutoSub, pick the language, drop your file, edit, then export or burn the captions in.
Open AutoSub free30 free minutes when you sign up. Works best in Chrome or Edge.
How to add subtitles to an MP4 for freeAdd subtitles to an MP4 in your browser: auto-transcribe the speech, fix it in an editor, then burn captions into the video or export an SRT. 30 free minutes, nothing to install.
Free SRT file generator from videoGenerate an SRT subtitle file from any video or audio file. Automatic transcription in 40+ languages, an editor to fix text and timings, and export to SRT, VTT, ASS or TXT.
Translate subtitles into 40+ languagesTranslate SRT or VTT subtitles, or auto-generated ones, into about 40 languages while keeping the original timings. Review each line, then export or burn the translation into your video.
Animated auto captions for YouTube Shorts, Reels and TikTokAdd animated, word-by-word captions to vertical videos for YouTube Shorts, Instagram Reels and TikTok. Auto-transcribe, edit, pick a style and export an MP4 from your browser.
Transcribe video to textTurn a video or audio recording into text with Whisper large-v3-turbo. 40+ languages, an editor with click-to-seek for proofreading, and export to TXT, SRT or VTT. 30 free minutes.
Subtitle generator that doesn't upload your videoGenerate subtitles without uploading your video. AutoSub decodes the file in your browser, sends only compressed speech audio for transcription (deleted within 24 hours), and burns captions in locally.
About AutoSub
AutoSub is an installable web app that generates subtitles for video and audio. It transcribes more than 40 languages with Whisper large-v3-turbo, includes a full subtitle editor, translates into about 40 languages, exports SRT, VTT, TXT and ASS, and burns styled or word-by-word animated captions into MP4. Your video is decoded and rendered on your own device; only compressed speech audio is uploaded for transcription and deleted within 24 hours.
| Plan | Price | Minutes |
|---|
| Free | $0 | 30 minutes on signup |
| Pro | $9.99/month | 1,000 per month |
| Pro Annual | $79.99/year ($6.67/mo) | Pro, billed yearly |
| Minute pack | $7 one-time | 300, never expire |
Free burned-in exports carry a small AutoSub watermark; any purchase removes it. Importing existing SRT or VTT files is free with no account.