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Add Subtitles to Video
Burn in or attach SRT, VTT and ASS subtitles
Les fichiers sont traités de manière confidentielle et supprimés automatiquement après 60 minutes.
Upload a video and a subtitle file to create a captioned video. Burn in draws the subtitles permanently into the picture, which is perfect for social media where many people watch without sound. Add as a track keeps them separate, so viewers can switch them on and off.
Subtitles in any language work, including right-to-left scripts such as Arabic and Kurdish, as long as the file is saved as UTF-8.
How to add subtitles to a video
- Upload your video (MP4, MOV, MKV or WEBM).
- Upload the subtitle file (SRT, VTT or ASS).
- Choose Burn in or Add as a track, and a font size for burned-in subtitles.
- Click Convert and download the video with subtitles.
Subtitle tool features
- Burned-in subtitles that are visible in every player and on every social network.
- Soft subtitle tracks for MP4, MOV, MKV and WEBM, added without re-encoding the video.
- Supports SRT, WebVTT and ASS/SSA files; ASS styling is kept when burning in.
- Three font sizes for burned-in subtitles.
Burned-in vs soft subtitles
Burned-in (hard) subtitles are part of the picture: they always show and cannot be turned off, which is what Instagram, TikTok and WhatsApp need. Soft subtitles are a separate track: the video is not re-encoded, they can be switched on and off, but not every app shows them.
Frequently asked questions
My subtitles show strange characters. What can I do?
Save the subtitle file with UTF-8 encoding (for example in Notepad: Save As, Encoding: UTF-8) and upload it again.
Where can I get an SRT file?
You can write one in any text editor, export it from a subtitle editor, or use the subtitles provided with your video.
Why don't I see the subtitles after adding them as a track?
Soft subtitles must be switched on in the player (for example in VLC: Subtitle menu). Choose Burn in if they must always be visible.
Can I convert SRT to VTT?
Yes, use our SRT to VTT tool.
Privacy, limits and file safety
Your files are processed on our own server, are never shared with anyone and are deleted automatically 60 minutes after processing. You can upload files up to 500 MB and 60 minutes long. No sign-up, no watermark and no software to install: it works in any modern browser on Windows, Mac, Android and iPhone.
