1Stop AppsSubtitle & SRT Timing Studio · saved only in this browser

Subtitle & SRT Timing Studio

Time, check, and translate .SRT and .VTT captions side by side.

Edits subtitle timing and bilingual text locally in your browser. Performs no automatic speech-to-text or machine translation — you paste or type every caption.

Project, paste & timing shift

Project title

Target translation language

Max reading speed (chars/sec)

Paste .SRT or .VTT captions

Shift all cues (ms, e.g. +1500 or -500)

Quality checks & timeline

Total cues0

Total duration00:00:00,000

Overlapping cues0

Fast reading cues0

Untranslated cues0

Captions & translations (0)

Add single cue

Start (HH:MM:SS,mmm)

End (HH:MM:SS,mmm)

Primary text

Translation text (optional)

Search captions

Filter cues

No captions yet. Paste an .SRT or .VTT track above, or add a cue.

Export subtitles & transcript

Export track

Untranslated cues fall back to primary text in Translation mode.

Preview formatted output (.VTT)

Your data

Saved in this browser under the key subtitle-studio.v1. Download a backup often.

Import backup