101 free tools, updated regularly
Calculators, converters and PDF toolsright in your browser
Everyday math, files and text sorted out in seconds, with no sign-up, no usage limits and nothing leaving your device
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What you type or upload is processed on your own device, not sent to our servers
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No sign-up, no trial and no paid plan. Ads, labeled affiliate links and voluntary support pay for the site
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No credits, tokens or daily limits. Open a tool and use it as often as you need
How these tools are made
Each tool does one job and shows its work: the formula, the steps and, for health, money, travel and safety topics, the official or published sources it relies on. Everything runs in your browser. When we get something wrong, we fix it and log it on the Corrections page. Who is behind the site and how it is funded is on the About page
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