Subtitle validator

Find invalid timestamps, overlaps and excessive line lengths.

Your input stays in this browser unless stated otherwise

0 characters

Como usar Subtitle validator

Paste the source into the input editor, or load the built-in example.
Adjust the basic settings, then open Advanced mode for export and fine-tuning options. Custom settings stay active when the panel is closed.
Run subtitle validator, review the output, then use the available copy or download controls.

Que admite esta ferramenta

Find invalid timestamps, overlaps and excessive line lengths. Report cue quality separately from file-format conversion.

Maximum characters per line: Range: 1 to 500
Minimum cue duration (seconds): Range: 0 to 10

Límites e procesamento

Up to 20 media files, 50 MB each and 100 MB combined; 50 MB output and a 180-second conversion timeout. Subtitle input accepts at most 5,000 blocks. Required codecs and browser memory affect support.

Fonte de exemplo

1
00:00:01,000 --> 00:00:03,000
Hello, world.

2
00:00:04,000 --> 00:00:06,000
A little easier.

Preguntas frecuentes

What does subtitle validator do?

Find invalid timestamps, overlaps and excessive line lengths. Report cue quality separately from file-format conversion.

Where is my input processed?

This operation processes its source in your browser. Copy and download are explicit actions; source input is not saved in an account or history.

What are the input limits?

Up to 20 media files, 50 MB each and 100 MB combined; 50 MB output and a 180-second conversion timeout. Subtitle input accepts at most 5,000 blocks. Required codecs and browser memory affect support.

Subtitle validator