Free tools
Tools that run in your browser, not ours.
Every tool here is a static page. Nothing you type is uploaded, logged, or sent to a server: the maths and the document generation happen on your own machine. No sign-up, no email wall.
Calculator
VRAM fit calculator
Will a 27B model fit on your card at 32k context? Weights, KV cache and overhead broken out separately, calibrated against real measurements on an RTX 3090.
Open calculator → CatalogFree model catalog
A tested list of genuinely free hosted models, sortable by context window and provider, with each one's last verified status. Zero pricing is not the same as free, so every entry was actually called.
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