Subtitle Editor & Converter

How to use Subtitle Editor & Converter

1. Paste valid SRT or WebVTT captions.
2. Choose output format and any time shift.
3. Process and inspect caption order and timestamps.

Example

An SRT file converted into WebVTT

Limits, privacy and troubleshooting

2 MB, 10,000 cues. Invalid or overlapping timings are reported; styling is not preserved.

When something goes wrong

A shift that creates negative timestamps is rejected. This changes captions, not the video itself.

Your inputs are processed in your browser. Engine files may download from this site, but private input data is not uploaded. Reset clears this session; delete downloads separately. Privacy details.

Related tools

• Image to Text Extractor — Recognize English text from an image using a local OCR engine.
• Word & Character Counter — Count words, Unicode characters, lines, sentences and estimated reading time.
• Text Cleanup Tool — Normalize whitespace, trim lines and remove empty lines from pasted text.
• Duplicate Line Remover — Remove repeated lines while preserving the first occurrence and original order.

Before you use the result

Keep a copy of your original. Check the output using the app or website where you intend to use it. A successful conversion does not guarantee acceptance by another service.

Are these tools free?

Yes. No account or payment is required. Browser memory and the input limits shown on each tool determine what can be processed.

Where are my files processed?

On your device. OCR and video tools load their engines from this website. The direct-video downloader connects to the URL you provide. Read the privacy policy.