Genuinely free — no watermark
Most free subtitle generators either add a watermark or force you onto a paid plan after one video. This tool generates clean SRT files with no watermark, no account required.
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Free — no account, no watermark
Free Subtitle Generator
Upload any audio or video file. AI transcribes it and downloads an SRT subtitle file in seconds — no account required.
1. Upload your file2. Select language3. SRT downloads automatically
MP3, MP4, WAV, M4A, FLAC, OGG, or WebM · Max 25 MB · No account required
Match the spoken language for transcription — or pick a different language to translate the subtitles automatically.
Drag and drop your file here, or click to upload
MP3, MP4, WAV, M4A, FLAC, OGG, WebM · Max 25 MB
Want captions on the video itself?
Add burned-in animated captions to your video
This tool hands you an SRT file to upload alongside your video. If you'd rather have captions baked right onto the video — animated, styled, and ready for TikTok, Reels & YouTube Shorts — use our auto caption generator to upload a clip and export a captioned MP4 in your browser.
Why use this free subtitle generator
Free subtitle tools often come with hidden costs — watermarks, export limits, or language paywalls. This one doesn't.
Works in your browser
Upload your file, select your language, and download your SRT — no app to install, no account to create. Works on any device with a browser.
100 languages supported
Generate free subtitles in 100 languages — Arabic, Hindi, Spanish, Portuguese, Japanese, Korean, Swahili, Filipino, and many more. All included at no cost.
For Premiere Pro editors
Want subtitles directly in your timeline?
CaptionX is a Premiere Pro extension panel that generates styled, animated subtitles right in your timeline — no SRT import, no manual sync. Free to try — no watermark.
Free plan includes
- Free to start
- 100+ languages — all included
- No watermark on subtitles
- Styled, animated captions
- No credit card required
Need it in another language?
Translate your subtitles into 60+ languages
Upload the same audio (or the SRT you just generated) into the Subtitle Translator and download a translated .srt — cue timings preserved, no signup.
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Open toolFrequently asked questions
Is this free subtitle generator really free?
Yes. The web tool on this page is completely free — no account required. For editors who want subtitles inside Adobe Premiere Pro, CaptionX is free to start with no watermark.
Does the free subtitle generator add a watermark?
No. The SRT file contains only your subtitle text and timestamps — no watermark of any kind.
How do I generate subtitles for free?
Upload your audio or video file, select the spoken language, and click Generate Subtitles. Your SRT downloads automatically. No account required.
What languages does the free subtitle generator support?
100 languages including English, Spanish, Portuguese, French, Arabic, Hindi, Urdu, Indonesian, Thai, Vietnamese, Japanese, Korean, Swahili, Filipino, and more.
What file formats are supported?
MP3, MP4, WAV, M4A, FLAC, OGG, and WebM — up to 25 MB.
Can I use the SRT file on YouTube?
Yes. Upload the SRT to YouTube Studio as a manual subtitle track for more accurate subtitles than YouTube's built-in auto-captions.
Generate subtitles free — no watermark
Upload your file above for an instant SRT, or get CaptionX for Premiere Pro and generate subtitles directly in your timeline.