Everything is free while we build.
AllSubConverter is in open beta. Every built-in tool is free while we continue to improve the workspace. No account, no credit card, and no watermarks are required. AI providers may bill for API usage.
Free During Beta
Every feature, no card required
Free during beta
- Convert through 40+ routes across 11 core subtitle formats plus YouTube JSON3 input
- Batch processing for converting, cleaning, or syncing many files at once
- AI translation with your own API key; provider API usage may be billed
- Subtitle cleaning, syncing, merging, and splitting
- Quality reports with CPS, overlaps, and timing diagnostics
- Export to PDF, TXT, LRC, and more
- Session history, snapshots, and auto-save
- Local processing for standard tools; AI requests go directly to your chosen provider
After beta, we may introduce optional paid features for users who need advanced workflows, automation, and professional capabilities. The core subtitle tools will remain accessible to everyone.
Privacy First
Standard tools process files locally in your browser. AI tools send cue text directly to your chosen provider.
Blazing Fast
No servers to wait on. Conversions are instant and work offline.
AI Powered
Translate, rewrite, and annotate subtitles with smart AI tools.
40+ Routes
Conversion routes across the supported subtitle formats and JSON3 input.
Platform Pipeline
Convert, clean, sync, and export in one connected workspace.
Always Improving
New tools and formats ship regularly during beta.