Cryptography Tools
Cryptography Tools help you protect, verify, and work with sensitive data. You can generate hashes, calculate checksums, encrypt or decrypt text, and verify file integrity—all directly in your browser. Whether you’re a developer, system administrator, or security enthusiast, these tools make common cryptography tasks simple and easy to use.
- Checksum Calculator
- CRC-16 Hash Generator
- CRC-32 Hash Generator
- Encrypt & Decrypt Online
- HMAC Generator
- MD2 Hash Generator
- MD4 Hash Generator
- MD5 Hash Generator
- NTLM Hash Generator
- SHA-1 Hash Generator
- SHA-2 Hash Generator
- SHA-256 Hash Generator
- SHA224 Hash Generator
- SHA3-224 Hash Generator
- SHA3-256 Hash Generator
- SHA3-384 Hash Generator
- SHA3-512 Hash Generator
- SHA384 Hash Generator
- SHA512 Hash Generator
- SHA512/224 Hash Generator
- SHA512/256 Hash Generator
- SHAKE-128 Hash Generator
Frequently Asked Questions (FAQs)
1. What is a cryptographic hash?
A cryptographic hash is a unique string created from your input data. Even a tiny change to the original text or file produces a completely different hash. Hashes are commonly used to verify data integrity and store passwords securely.
2. Can I reverse a hash back to the original text?
No. A hash cannot be reversed. It is a one-way process designed to create a unique fingerprint of your data, not to hide and recover it later.
3. What is a Checksum Calculator used for?
A Checksum Calculator helps you verify that a file hasn’t been changed or corrupted. Simply compare the checksum of your downloaded file with the checksum provided by the source. If they match, your file is likely intact.
4. What is the difference between SHA-1, SHA-256, and SHA-3?
These are different hashing algorithms.
- SHA-1 is an older algorithm and is no longer recommended for security.
- SHA-256 is widely used today and provides strong security.
- SHA-3 is the newest standard and offers another secure option for modern applications.
5. Why are MD5 and CRC tools still available?
Although MD5 and CRC are no longer recommended for protecting sensitive data, they are still useful for checking file integrity, working with older systems, and supporting legacy applications.
6. What is an HMAC Generator?
An HMAC Generator creates a secure code using both a secret key and a hashing algorithm. It’s commonly used to verify that data hasn’t been changed and that it comes from a trusted source.
7. What is the difference between hashing and encryption?
Hashing creates a one-way fingerprint that cannot be reversed. Encryption protects data by converting it into unreadable text, but it can be decrypted back to its original form using the correct key.
8. Is my data safe when using these tools?
Yes. All calculations are performed directly in your web browser, and your data is not uploaded or stored. However, it’s still best not to paste highly sensitive information, such as private keys, passwords, or confidential business data, into any online tool.