Can I remove the subtitles after they're burned in?

No — burning is permanent, the text becomes part of the video frames themselves. If you might need to toggle subtitles on and off later, keep a separate soft-subtitle track instead.

Does it work with both SRT and VTT files?

Yes, either format is accepted and normalized internally before rendering.

What if my subtitle timestamps don't match the video?

If none of the cues overlap the video's actual duration, nothing would be burned in visibly — the tool detects this case and fails with a clear error instead of returning an unchanged video.

Will burning subtitles affect the audio?

No — audio is copied directly without re-encoding, only the video frames are modified to draw the text.

Burn Subtitles into Video

Upload a video and a subtitle file and get a video with permanently burned-in subtitles — free, no account required.

Drop your file here, or click to browse

.mp4 · max 20 MB

FloxerFile burns SRT or VTT subtitles directly into your video's frames, so the subtitles are always visible on any player, with no separate subtitle track or file needed. Useful for social media clips, where most platforms don't support separate subtitle tracks.

How it works

1
Upload your video
Drag and drop your .mp4 file into the converter, or click to browse. Files up to 20 MB are supported.
2
Add your subtitle file
Upload a matching .srt or .vtt subtitle file with the timing you want burned in.
3
Download your video
Download the video with hardcoded subtitles directly to your device. Your files are never stored — they are deleted immediately after conversion.

Features

Accepts SRT or VTT
Upload either subtitle format — both are normalized internally before being burned into the video.
Real font rendering
Subtitles are rendered with libass using a bundled Noto Sans font, not a placeholder overlay — proper glyph shaping and readable text.
Only the video stream is re-encoded
Only the video stream is re-encoded to burn in the text — the audio track is copied as-is, with zero quality loss.
Detects cues that never appear
If none of your subtitle timestamps actually overlap the video's real duration, the tool fails clearly instead of silently returning an unchanged video.

Supported formats

.mp4

MP4

The most widely supported video container format.

.srt

SRT

SubRip subtitle format, the most common subtitle file format.

.vtt

WebVTT

Web Video Text Tracks format, used by HTML5 video and modern streaming platforms.

Output format: .mp4

Frequently asked questions

Can I remove the subtitles after they're burned in?: No — burning is permanent, the text becomes part of the video frames themselves. If you might need to toggle subtitles on and off later, keep a separate soft-subtitle track instead.
Does it work with both SRT and VTT files?: Yes, either format is accepted and normalized internally before rendering.
What if my subtitle timestamps don't match the video?: If none of the cues overlap the video's actual duration, nothing would be burned in visibly — the tool detects this case and fails with a clear error instead of returning an unchanged video.
Will burning subtitles affect the audio?: No — audio is copied directly without re-encoding, only the video frames are modified to draw the text.

Related tools

Trim Video

Cut an MP4 video down to a specific start and end time.

SRT to VTT

Convert SRT subtitle files to WebVTT format.

VTT to SRT

Convert WebVTT subtitle files to SRT format.