Subtitle Tools

Edit, fix, and convert subtitles with straightforward controls. Free, with no signup.

What do you need to do?

Render SRT captions as an MP4 video Convert SRT subtitles to SBV Convert SBV captions to SRT Extract VTT transcript text Edit words or times Same delay through the whole file Gradually goes out of sync Overlapping subtitles Merge files Split a file Convert SRT to VTT Convert VTT to SRT Extract transcript text Convert ASS or SSA to SRT Create an ASS file Get structured JSON cues

Timing & Editing

SRT Timing Adjuster

Move all SRT subtitle timestamps earlier or later.

SRT Merger

Combine up to 10 SRT files in order and check the timing at each join.

SRT Splitter

Split an SRT by number of parts, subtitles per file, or time interval.

Subtitle Editor

Edit SRT or VTT subtitle text and timing, with undo and redo.

Subtitle Sync Fixer

Fix subtitles that gradually go out of sync using two reference times.

Subtitle Overlap Fixer

Find overlapping subtitles and review timing repairs in SRT or VTT files.

Format Conversion

SRT to VTT Converter

Convert SRT subtitles to VTT, keeping their text and timing.

VTT to SRT Converter

Convert VTT subtitles to SRT.

SRT to TXT Converter

Extract a readable transcript from SRT subtitles.

ASS / SSA to SRT Converter

Convert ASS or SSA dialogue into SRT subtitles.

SRT to ASS Converter

Convert SRT subtitles to ASS with a default style.

SRT to JSON Converter

Convert SRT cues into a structured JSON array.

VTT to TXT Converter

Extract a readable transcript from VTT subtitles.

SBV to SRT Converter

Convert YouTube SBV captions to standard SRT subtitles.

SRT to SBV Converter

Convert SRT subtitles to basic YouTube SBV captions.

SRT to MP4 Converter

Render subtitle text as a silent MP4 video, with straightforward controls.

Which formats work?

The editor, sync fixer, and overlap fixer support SRT and VTT. Timing adjustment, merging, and splitting use SRT. Converters support SRT and VTT in both directions, ASS/SSA to SRT, SRT to ASS or JSON, SRT and SBV in both directions, and transcript text from SRT or VTT. SRT to MP4 renders a silent caption video in supported browsers. Each page explains what its output can keep.