Generates CRC32 checksums for data integrity verification and error detection. Access via MCP in Cursor or Windsurf, or REST API at GET /v1/hash/crc32. Pass text or binary data to get a deterministic 32-bit hexadecimal hash like "a1b2c3d4". Commonly used for file validation and network protocols.
curl "https://tinyfn.io/v1/hash/crc32" \
-H "X-API-Key: YOUR_API_KEY"const response = await fetch('https://tinyfn.io/v1/hash/crc32', {
headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
const data = await response.json();
console.log(data);import requests
response = requests.get('https://tinyfn.io/v1/hash/crc32',
headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)Connect your AI agent (Claude, Cursor, Windsurf, etc.) to TinyFn's hash tools:
{
"mcpServers": {
"tinyfn-hash": {
"url": "https://tinyfn.io/mcp/hash",
"headers": {
"X-API-Key": "YOUR_API_KEY"
}
}
}
}CRC32 is a cyclic redundancy check that produces 32-bit checksums for detecting data corruption. Use it for file integrity checks, network error detection, or quick data validation—not cryptographic security.
Call the hash_crc32 MCP tool with your data as input. It returns the CRC32 value as an 8-character hexadecimal string for immediate use in your code or scripts.
Returns lowercase hexadecimal format (8 characters), like "e3069283" for the string "hello". Always produces the same output for identical input data.
CRC32 works with both text strings and binary data. For REST API usage, binary data should be base64-encoded in the request payload.
No, CRC32 is designed for error detection, not security. It's vulnerable to collisions and intentional tampering. Use SHA-256 or bcrypt for cryptographic purposes.