Can I convert SRT to WebVTT or other formats?

Yes, you can import SRT or WebVTT and export to SRT, VTT, ASS, or TTML.

How does the overlap repair feature work?

You can choose to either shift overlapping cues forward or clamp their end times to prevent simultaneous display.

What is CPS calibration?

It adjusts the duration of subtitle cues to ensure the text reading speed matches your target characters-per-second limit.

Do I need to upload a video file to edit subtitles?

No, this tool parses and edits subtitle text directly without requiring any video upload.

Can I wrap long subtitle lines automatically?

Yes, you can set a maximum line length limit to automatically wrap long text blocks into readable lines.

Elysia Tools

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SRT / VTT Subtitle Editor

Edit subtitle timing, shift cues, repair overlaps, calibrate CPS, wrap long lines, and export SRT, VTT, ASS, or TTML.

Details

What this tool helps you do

Parses SRT and WebVTT text without requiring a video file. It supports millisecond offsets, overlap repair, readable line wrapping, minimum-duration CPS calibration, and four output formats. The result previews the exported subtitle and provides a download.

Execution

Run this tool

Fill in the form, run the tool, and review the result in one place.

Prepared example runs

Click an example to fill the form automatically. File inputs still need an upload.

1 examples

Shift and clean a two-cue SRT

Moves cues by 250 ms, applies CPS calibration, wraps long text, and exports a clean SRT preview.

<article><h2>2 cues · SRT</h2><p>Shift +250 ms; overlap repair: shift; CPS calibration applied.</p></article>

Inputs

Set the required fields, then run the tool.

8 options

ContentPaste or type the main input values.1

Subtitle TexttextareaRequired

SettingsAdjust formats, ranges, numbers, and modes.6

Input FormatselectOptionalOutput FormatselectOptionalShift (milliseconds)numberOptionalRepair OverlapsselectOptionalTarget Characters per SecondnumberOptionalMaximum Line LengthnumberOptional

TogglesEnable or disable optional behavior.1

Apply CPS CalibrationcheckboxOptionalEnabled when checked

Result

Ready for a run

Run the tool to preview files, text, structured data, or streamed output here.

Samples

SRT / VTT Subtitle Editor

What this tool helps you do

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Prepared example runs

Inputs

Result

Examples that match this tool

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Prepared example runs

Inputs

Result

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Overview

When to use

How it works

Use cases

Examples

1. Syncing and Repairing Overlapping Subtitles

2. Calibrating CPS and Wrapping Lines for WebVTT

FAQ

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ASS Subtitle Samples

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