101 free tools available · 2 coming soon
Free online tools
that actually work
PDF editors, calculators, QR generators and more — all free, all browser-based. Your files never leave your device.
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Merge PDF
Combine multiple PDFs into one document in seconds.
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Percentage Calculator
Calculate percentages, changes and ratios instantly.
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QR Code Generator
Generate QR codes for any URL or text instantly.
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VAT Calculator
Add or remove VAT from any price instantly.
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Compress PDF
Reduce PDF file size without losing quality.
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Margin Calculator
Calculate gross profit margin, markup and revenue.
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Why ThatsMyTools?
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100% Private
Your files never leave your browser. All processing happens on your device using JavaScript.
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Instant Results
No upload queues. No waiting. Results appear in seconds, even for large files.
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Always Free
Every tool is free to use with no hidden limits, no watermarks, and no sign-up required.