Base64, CSV to JSON, bulk image resize/convert/compress, RSS & sitemap generators. Process files in batches, not one at a time. No install, no signup, 100% free — runs in your browser.
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Maker
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Hey Product Hunt! 👋
I built FreeToolDev because I kept running into the same problem: most free dev/design tools online only process one file at a time. Need to resize 40 images, convert a batch of CSVs, or decode a bunch of JWTs? You're stuck doing it one by one, or paying for a "pro" version just to get batch support.
FreeToolDev flips that — everything is built for batch work from the start. Nine tools so far: bulk image resize/convert/compress, CSV to JSON, batch QR codes, JWT decoder, RSS/sitemap generators, a site crawler, and more.
Everything runs locally in your browser — nothing gets uploaded to a server, no account needed, completely free.
Would love to hear what other batch tools you wish existed!
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Honestly really useful, the batch processing is what sold me. One thing though, would be great if you could save preset workflows like a specific resize + compress combo so you don't have to redo the same steps every time
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Maker
@recep763495 Thanks for this — the preset idea made a lot of sense, so I added it. You can now hit "Save as preset" after setting up a resize + format + quality combo, name it, and it'll be sitting in a dropdown next time you're back on the page. No account needed, it just lives in your browser. Let me know if it works the way you pictured it!
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Love that the bulk image tools actually work client-side instead of uploading everything to a server. Honestly, the no signup no install angle is what sold me — basically a swiss army knife that just opens and works.
Honestly really useful, the batch processing is what sold me. One thing though, would be great if you could save preset workflows like a specific resize + compress combo so you don't have to redo the same steps every time
@recep763495 Thanks for this — the preset idea made a lot of sense, so I added it. You can now hit "Save as preset" after setting up a resize + format + quality combo, name it, and it'll be sitting in a dropdown next time you're back on the page. No account needed, it just lives in your browser. Let me know if it works the way you pictured it!
Love that the bulk image tools actually work client-side instead of uploading everything to a server. Honestly, the no signup no install angle is what sold me — basically a swiss army knife that just opens and works.