OpenTool is a collection of 294 free, browser-based tools covering PDFs, images, conversions, unit/currency conversion, finance, math, developer utilities, typing tests and India government exam prep.
What makes it different: almost every tool runs 100% on your device — your files and inputs never get uploaded. No account, no installs, no watermarks. From compressing a PDF to resizing a photo for SSC/IBPS/JEE/NEET forms, it works on phone or desktop in seconds.
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