Developer launches QuickKit: 38 free browser-based tools that keep your files private

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A developer has built QuickKit, a free collection of 38 browser-only tools available at quickkit.space, designed to process files and data entirely on the user's device without any server uploads. The toolkit includes utilities such as an image compressor, PDF merger, password generator, QR code creator, and hash generator, all powered by standard browser APIs like Canvas, Web Crypto, and SubtleCrypto. Because the site has no backend or database, users face no sign-up requirements, watermarks, or usage tracking. The project was motivated by privacy concerns over mainstream online tools that require uploading sensitive documents to third-party servers. QuickKit is also built as an installable Progressive Web App, meaning it can function offline once loaded in the browser.

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