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Lumdera is a growing collection of free online tools
that run 100% in your browser. No signup, no ads,
no data sent to servers.
Currently includes:
- Word Counter
- Image Compressor
- Text Case Converter
- Reverse Text
- Remove Duplicate Lines
- Hash & Digest Converter
- Unit Converters
New tools added weekly. All tools are HTML+JS only —
instant, private, and completely free.
LumderaFree browser tools — no signup, no limits, just works
Lumdera - Free Toolsleft a comment
Hey Product Hunt! 👋 I built Lumdera because I was tired of tools that require signup just to count words or compress an image. Everything on Lumdera runs in your browser — no data leaves your device, no account needed, no ads. Would love your feedback on which tools to add next!
LumderaFree browser tools — no signup, no limits, just works