Add subtitles to a video online — free
Burn captions into a video from an .srt file or by typing them in. The subtitles become part of the picture, so they always show — perfect for social clips.
How to add subtitles to a video
- Drop your video file into the upload box, or click to browse. Everything stays on your device.
- Upload an .srt file or type your captions, then burn them into the video.
- Click Process — everything runs instantly in your browser, with nothing uploaded.
- Preview the result and download it — or send it straight to another JustGIF tool to keep editing.
Features
- Burn-in subtitles from .srt or text
- Style and position control
- Runs locally in your browser — your files never leave your device
- 100% free: no sign-up, no watermark, no file-count limit
- Works on any device — Windows, Mac, Linux, Android and iPhone
Frequently asked questions
Will the subtitles always be visible?
Yes — burned-in subtitles are part of the video, so they always show on any player.
Is Subtitles free to use?
Yes. Subtitles is completely free with no account, no watermark, and no limit on how many files you can process.
Do my files get uploaded to a server?
No. JustGIF processes everything locally in your browser, so your files stay private on your device and nothing is uploaded.
Does it work on my phone?
Yes — JustGIF runs in any modern browser, including Chrome and Safari on phones and tablets, with no app to install.