COSMORAI
Free Smart Tools. Forever.
Convert anything. Calculate everything. Privacy-first. Runs locally.
1041+ tools available
Free Universal Converter
Drop any file — we'll detect the type and suggest tools
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PDF, Word, Excel, CSV, images, video, audio & more
Output
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Privacy First
Your files never leave your device. No cloud storage. No file tracking. No telemetry. Everything processes locally in your browser using your CPU only — no installs, no plugins, no strings attached. Free forever.
About COSMORAI
COSMORAI provides free smart tools that run locally on your device — free forever, no strings attached. No cloud storage. No file tracking. No subscriptions. No hidden costs. No software to install.
Files remain on your device. Privacy first. New tools are continuously added and improved.
Learn more →FAQ
Is COSMORAI really free?
Yes, completely free forever. No subscriptions, no hidden costs.
Are my files uploaded to a server?
No. Most tools run entirely in your browser. Your files stay on your device.
How many tools are available?
Over 1041 tools across 11 categories, with more added regularly.