Checksum Calculator

Compute CRC32, MD5, SHA-1, SHA-256, SHA-512 checksums from text or files. Verify integrity by comparing hashes. All processing happens in your browser.

Input Mode

Select Algorithms

Checksum Results

CRC32

-

MD5

-

SHA-256

-

Verify Checksum

Paste an expected hash below to verify against the computed checksums.

Checksum Calculator

Compute CRC32, MD5, SHA-1, SHA-256, SHA-512 checksums from text or files. Verify integrity by comparing hashes. All processing happens in your browser.

Input Mode

Select Algorithms

Checksum Results

CRC32

-

MD5

-

SHA-256

-

Verify Checksum

Paste an expected hash below to verify against the computed checksums.

Checksum Calculator

Q: Is my data secure?

Q: What is a checksum and why is it important?

Q: What is the difference between CRC32 and SHA-256?

Q: What file types are supported?

Q: How do I verify a downloaded file's integrity?

Q: Can I compute checksums for multiple files at once?

Checksum Calculator

Q: Is my data secure?

Q: What is a checksum and why is it important?

Q: What is the difference between CRC32 and SHA-256?

Q: What file types are supported?

Q: How do I verify a downloaded file's integrity?

Q: Can I compute checksums for multiple files at once?