Add subtitle text or a file, correct any invalid cues, choose the output format, and download a real converted file.
Upload or paste a valid subtitle file to preview the converted cues.
Browser-local conversion · your subtitle text is not uploaded
Supported formats
Use the same page for either conversion direction.
1
00:00:02,400 --> 00:00:05,100
Welcome to VisionStory.WEBVTT
00:02.400 --> 00:05.100
Welcome to VisionStory.Common in video editors, media players, and distribution workflows.
Designed for HTML5 video tracks and browser playback.
How it works
The editor keeps the task focused on subtitle syntax and timing.
Add SRT or VTT subtitle content.
Correct invalid timestamps or malformed blocks.
Choose the other format and save the converted file.
Turn an SRT file into WebVTT for a browser video track.
Convert VTT captions to SRT for an editor that accepts SubRip files.
Deliver captions in the format requested by a platform or client.
Technical anatomy
A useful converter should identify malformed timestamps, missing separators, invalid cue order, or text that is not attached to a valid timing line.
The live product must verify subtitle converter controls and output behavior before they are presented as facts.
Confirm the live controls, accepted inputs, and output behavior before turning this subtitle converter explanation into a product promise.
Verify SRT and VTT syntax conversion from actual source and output properties.
Problem diagnosis
Use a caption-generation workflow only when the starting point is audio or video rather than an existing subtitle file.
Owns SRT↔VTT syntax conversion and validation. It must not target subtitle translation, transcription, timing generation, or video dubbing.
Preserve the source whenever SRT and VTT syntax conversion remains unverified.
Local browser result
A subtitle converter changes file syntax while keeping the spoken words and cue timing intact.
The current SRT-to-VTT and VTT-to-SRT task runs on this page; it does not require a VisionStory production handoff.
Open the result in the destination player or editor and inspect cue syntax, text, timing, encoding, and any supported settings.
Confirm SRT and VTT syntax conversion in the intended destination before approval.
Both formats store timed subtitle cues. WebVTT uses a WEBVTT header and supports browser-oriented cue syntax, while SRT uses numbered cue blocks and comma-based millisecond timestamps.
