CRC32 & Adler-32 Checksum Generator
Developer ToolsGet the CRC32 and Adler-32 checksum of any text
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History
All history →CRC32 & Adler-32 Checksum Generator — at a glance
Get quick integrity checksums for text.
hello
Get Checksums
CRC32 (hex): 3610a686
CRC32 (decimal): 907060870
How to use it — step by step
Any text. It is read as UTF-8 bytes.
1
Add your text
Paste or type your input into the box. The Sample button fills in an example.
2
Press Get Checksums
The result is made instantly inside your browser.
3
Copy the result
Use the Copy button, or send it to another tool.
Pro tips
Small things that make the result better.
✦CRC32 is for catching accidents, not attacks.
✦For security use SHA-256 instead.
✦Results are shown in hex and as a number.
Quick facts
Freeno signup
Privateruns in your browser
Instantresult in a second
No limituse it as often as you like
Frequently Asked Questions
What is CRC32?+
A 32-bit check value used in ZIP, PNG, Ethernet and many file formats to catch damaged data.
Is it a hash for passwords?+
No. It is easy to forge. Use a proper hash for security.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.
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