(SRT / VTT / ASS / LRC)
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Fast. Secure. Browser-based. No file uploads required.
AllSubConverter is a professional, privacy-first subtitle conversion toolkit designed to run entirely in your web browser. Unlike other tools that force you to upload files to a remote server, AllSubConverter processes everything locally using advanced JavaScript and WebAssembly technologies.
This ensures that your subtitles, lyrics, and captions remain 100% private and secure on your device. Whether you are a video editor using Premiere/Final Cut, a content creator for YouTube, or a developer, this tool provides instant conversion between SRT, VTT, ASS, and LRC formats.
We support bi-directional conversion for all major formats. Click the links below to use the specific tool directly:
| Input Format | Output Format | Direct Tool Link | Best For / Key Use Case |
|---|---|---|---|
| SRT | VTT | Convert SRT to VTT | HTML5 Video Players, Web VTT |
| VTT | SRT | Convert VTT to SRT | Adobe Premiere, Final Cut Pro, DaVinci Resolve |
| SRT | ASS | Convert SRT to ASS | Anime Subtitles, Advanced Styling |
| ASS | SRT | Convert ASS to SRT | General Compatibility, TV playback |
| SRT | LRC | Convert SRT to LRC | Music Lyrics, Karaoke Display |
| LRC | SRT | Convert LRC to SRT | Converting Lyrics to Standard Subtitles |
- 🔒 Privacy First: No uploads, no servers. Your data stays on your computer.
- ⚡ Blazing Fast: Powered by Client-side JS, conversion happens in milliseconds.
- 🌍 Multi-language Interface: We support English, Chinese, German, Spanish, French, Japanese, Korean, and Portuguese.
- 📱 Responsive Design: Works perfectly on Desktop (Windows/Mac/Linux), iOS, and Android.
- 🔧 Zero Dependencies: No need to install Python, ffmpeg, or any software. Just open the link.
- Visit AllSubConverter.com.
- Drag and drop your subtitle file (e.g.,
.srt,.vtt) into the conversion box. - Select your target format.
- The converted file will trigger an automatic download instantly.
To use the tool in your native language, please visit our localized sites:
- Deutsch (German): Subtitle Converter DE
- Español (Spanish): Convertidor de Subtítulos ES
- Français (French): Convertisseur de Sous-titres FR
- 日本語 (Japanese): 字幕コンバーター JA
- 한국어 (Korean): 자막 변환기 KO
- Português (Portuguese): Conversor de Legendas PT
- 简体中文 (Chinese): 字幕格式转换器 ZH
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