CRC Calculator
All CRC Algorithms
Space-separated hex bytes, e.g. 01 02 FF A3
What is CRC Calculator?
Calculate CRC-8, CRC-16 (MODBUS, CCITT, XMODEM, KERMIT, DNP, IBM, USB…) and CRC-32 checksums for HEX bytes or ASCII text. All common CRC algorithms in one tool.
How to Use
- Open the tool — Navigate to CRC Calculator on tool.tl.
- Enter your data — Provide the input data or upload your file.
- Get results — Click the action button and get your results instantly.
Frequently Asked Questions
Is CRC Calculator free to use?
Yes, CRC Calculator is completely free with no registration required.
Is my data safe with CRC Calculator?
Yes. Most processing happens in your browser. Files uploaded for conversion are processed server-side and automatically deleted.
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