Crc16 Modbus Calculator

CRC-16 Calculator is a free online Hash Tools tool that compute CRC-16 in six variants: CCITT-FALSE, XMODEM, KERMIT, MODBUS, X.25 and DNP instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server. No download or account is required: the tool loads in under a second and works offline-friendly after the first visit.

How to use

Using CRC-16 Calculator takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
  4. No download or account is required: the tool loads in under a second and works offline-friendly after the first visit.

Examples

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Use cases

  • Compute CRC-16 in six variants: CCITT-FALSE, XMODEM, KERMIT, MODBUS, X.25 and DNP.
  • Because everything is computed client-side, CRC-16 Calculator is safe to use with sensitive data such as API keys, tokens or private logs.

FAQ

What is CRC-16 Calculator?

CRC-16 Calculator compute CRC-16 in six variants: CCITT-FALSE, XMODEM, KERMIT, MODBUS, X.25 and DNP. It runs entirely in your browser, so your data stays private.

Is CRC-16 Calculator free to use?

Yes. CRC-16 Calculator is free, unlimited and works without registration or installation.

Does my data get uploaded?

No. All processing happens locally in your browser; nothing is sent to any server.

Runs 100% in your browser — your data never leaves your device.

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