BatchCrunch
BatchCrunch processes folders of video, audio and image files entirely in your browser tab. It is FFmpeg compiled to WebAssembly, running on your own CPU, so nothing is ever uploaded...
What is BatchCrunch?
BatchCrunch processes folders of video, audio and image files entirely in your browser tab. It is FFmpeg compiled to WebAssembly, running on your own CPU, so nothing is ever uploaded to a server — no upload size caps, no queues. Compress, convert, resize, crop and watermark in bulk. Free for 3 files per batch; one-time $19 unlocks unlimited batches. No account required.
Key Features
Batch processing
Compress, convert, resize, crop and watermark multiple files at once without uploading them to a server.
No file size limits
Since files are processed locally in the browser, there are no server-side limits on file size or number of files.
Offline-first
The entire file processing pipeline runs in the browser, so the tool can be used without an internet connection.
Privacy-focused
Your files never leave your browser, ensuring complete privacy and security.
Tool Information
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