Compute CRC-32 from a file

Compute CRC-32 from a file. Pick a file on your computer and the CRC-32 value will immediately be calculated. You may customize the polynomial if needed, giving either its normal or reversed representation.

safe This web site is friendly and safe to use. The data file is only accessed by your own computer. It is not sent to the server. Page source is accessible with no restrictions so that you can verify by yourself.

Hexadecimal, normal representation. Set to 04C11DB7, a widely used polynomial in the IT industry.
Hexadecimal, reversed representation.

Decimal
Hexadecimal

See also

Calculation and conversion tools:

Text Conversions
Base Conversions
Computation
Unit Conversions
international and imperial
Measurement
size, perimeter, area, volume...
Internet