Text and File Hash Calculator
The Text and File Hash Calculator computes hashes such as MD5, SHA-1, SHA-256, SHA-512, and Whirlpool.
About Text and File Hash Calculator
The Text and File Hash Calculator is a web-based tool from Defuse Security that generates cryptographic hash values for ASCII/Unicode text and uploaded files. It supports a wide range of hash algorithms including MD5, SHA-1, SHA-256, SHA-512, Whirlpool, and numerous additional legacy and specialized checksum functions. The tool imposes a 5MB maximum file size limit for uploads, and its homepage states that neither user-submitted data nor generated hash values are recorded or stored.
Key features
- Computes hashes for ASCII and Unicode text input
- Accepts file uploads up to 5MB in size
- Supports MD5, SHA-1, SHA-256, SHA-512, Whirlpool
- Includes additional checksums like CRC32, Adler32, GOST
- States no user data or hash values are stored
Best for: It is best for users who need to quickly generate cryptographic hashes for text or small files to verify data integrity, without installing dedicated software.
Good for
- Supports a very wide range of hash algorithms, including many legacy and specialized options
- Processes both text and file inputs in a single web tool
- Explicitly states that user input and generated hashes are not stored
Watch out for
- Web-based file uploads are capped at a maximum of 5MB
Text and File Hash Calculator at a glance
- Website
- defuse.ca/checksums.htm
- Category
- Privacy & Security › Security Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Text and File Hash Calculator FAQ
What inputs can be hashed with this tool?
The tool supports hashing of ASCII/Unicode text and files up to 5MB in size.
Are submitted data or generated hashes stored?
No, the tool states that neither user-submitted data nor generated hash values are recorded.
What hash algorithms are supported?
Supported algorithms include MD5, SHA-1, SHA-256, SHA-512, Whirlpool, CRC32, Adler32, GOST, and many others.
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