Subtitle Converter — Free, No Upload, Browser-Based

Subtitle Converter lets you convert subtitle files between SRT, WebVTT (.vtt), and ASS/SSA formats directly in your browser. Paste your subtitle text, upload a file, pick the output format, and the converted result appears instantly — no server involved, no files uploaded anywhere. Your subtitle content stays on your device throughout the entire process.

如何使用此工具

1. Paste your SRT, WebVTT, or ASS/SSA subtitle content into the text area, or click "Upload file" to load a .srt, .vtt, .ass, or .ssa file from your device.
2. Select your input format and choose the output format you want — SRT, WebVTT (.vtt), or ASS/SSA.
3. Copy the converted subtitle text to your clipboard or click "Download" to save it as a file with the correct extension.