FastFileTool

Edit, convert & compress files 100% locally. Zero uploads.

Productivity Privacy Developer Toolsローンチ 2026年7月11日

FastFileTool とは？

FastFileTool is a privacy-first web utility suite that converts, compresses, and edits PDFs, videos, images, and audio entirely inside your browser. Powered by WebAssembly and client-side scripts, your sensitive data never leaves your computer. No network wait times, no storage server file intercepting, and a radically reduced carbon footprint. Work offline, securely, and with zero file-size limits.

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