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AllSubConverter
Productivity
Overview
AllSubConverter is a browser-based subtitle toolkit that converts, edits, cleans, syncs, checks and exports subtitle files (SRT, VTT, ASS, LRC and more), with standard processing running 100% locally in the browser with no upload or account required; optional AI features use the user's own API keys.
Key Features
- 117+ subtitle conversion, editing and sync tools
- 100% browser-local processing, zero file uploads
- Batch processing up to 200 files or 1GB total
- Optional AI features using the user's own API key
Best For
Creators, translators and video teams who need to convert or clean up subtitle files without uploading them to a server.
Pros & Cons
Cons
- AI-powered features are in beta and require bringing your own API key.
- Standard tools cap individual files at 50MB.
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Pulse Verdict
Editorial review by SEODataPulse · Editorial rating: 4/5 · Updated
This is an editorial assessment, not an average of customer ratings.
“A free, browser-local subtitle toolkit with 117+ tools for converting, editing, syncing and exporting subtitle files, with no signup, daily caps or file uploads for standard processing.”
Pricing
Free, open beta; standard tools have no daily caps or signup. Optional AI features require the user's own API key.
Pricing changes often — confirm current plans on the official site.