[s]MP4toSRTFree. Local. Yours.
SUBTITLES, WITHOUT THE UPLOAD

Free Private
Subtitle Tools

Generate, extract, edit and convert subtitles directly in your browser.

Your video and audio files never leave your device.

Generate Subtitles Browse Subtitle Tools
No account neededNo media uploadsAll tools are free
YOUR SUBTITLE WORKBENCH

Pick a tool. Get it done.

From the first word to the final file.

Generate

Speech into subtitles

AI → SRT

Video to SRT

Turn video speech into timed, editable subtitles.

AI → SRT

Audio to SRT

Create subtitle files from audio recordings.

AI → SRT

MP4 to SRT

Generate an SRT file from your MP4 audio.

Extract

Find existing captions

VIDEO → TEXT

Subtitle Extractor

Find and export supported embedded text tracks.

VIDEO → TEXT

Extract Subtitles from MP4

Save existing text subtitles from an MP4.

Edit

Make the details right

SRT → EDIT

SRT Editor

Edit text, fix timing and shift subtitles.

Convert

The format you need

SRT → VTT

SRT to VTT

Prepare SRT subtitles for web video players.

VTT → SRT

VTT to SRT

Convert WebVTT into a numbered SRT file.

YOUR MEDIA. YOUR DEVICE.

A smaller footprint.
A little more privacy.

Subtitle files are handled in your browser. Speech recognition runs on your device with Whisper. Only AI model files need to be downloaded, and they can be cached for next time.

How local processing works ↗