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FreeToolDev
Free batch tools for developers and designers
FreeToolDev is a free collection of browser-based batch tools for developers and designers. Most free tools online handle one file at a time โ this one is built for batch work from the start: bulk image resize/convert/compress, CSV to JSON, batch QR codes, JWT decoding, sitemap/RSS generators, and more. Everything runs locally in your browser, nothing is uploaded, no account needed, completely free.
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What does FreeToolDev help with?
Nine tools so far, all built around the same idea: batch processing instead of one-file-at-a-time. Highlights include a bulk image resize/convert/compress tool, a CSV to JSON converter with automatic encoding detection, a batch JWT decoder, a site crawler and audit tool, and a bulk IP/DNS/SSL lookup tool. No server upload, no account, and no cost โ everything runs client-side.
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