# Hash Browse 30 online hash tools for SHA, MD5, CRC, checksum, and digest workflows. Text inputs are not stored; uploaded files are deleted after 6 hours. > Canonical page: https://elysiatools.com/en/tags/hash ## Overview Use 30 browser-based hash tools to work with SHA, MD5, CRC, checksum, and digest data for common hashing and verification workflows. No software installation is needed; processing runs on Elysia Tools servers. ## Frequently asked questions ### What can I do with Hash tools? You can work with hash, SHA, MD5, CRC, checksum, and digest data using the tools in this category, including common hashing and verification workflows. ### How is my data processed? You use the tools through a browser interface, while processing runs on Elysia Tools servers. Text inputs are not stored. ### What happens to uploaded files? Uploaded files are automatically deleted after 6 hours. No software installation is needed to use the tools. ## Tools - [Argon2 Password Hash Generator](https://elysiatools.com/en/tools/argon2-password-hash-generator): Generate Argon2id password hashes with tunable memory, iterations, parallelism, salt length, and PHC output - [Audio Fingerprint Generator](https://elysiatools.com/en/tools/audio-fingerprint-generator): Generate an acoustic fingerprint of an audio file - [Audio Hash](https://elysiatools.com/en/tools/audio-hash): Generate cryptographic hashes (checksums) for audio files - [Bcrypt Generator](https://elysiatools.com/en/tools/bcrypt-generator): Generate bcrypt hash from password - [Bcrypt Validator](https://elysiatools.com/en/tools/bcrypt-validator): Validate password against bcrypt hash - [Checksum Comparator](https://elysiatools.com/en/tools/checksum-comparator): Compare two checksums/hash values to check if they match - [CRC32 Checksum](https://elysiatools.com/en/tools/crc32-checksum): Compute the CRC32 checksum (IEEE 802.3 polynomial) of any text or raw bytes. Output as hex, decimal or binary. Accepts plain text (UTF-8) or raw bytes via hex/base64 input. - [Docker Image Tag Validator](https://elysiatools.com/en/tools/docker-image-tag-validator): Validate Docker image names and tags according to Docker naming conventions - [EAN-8 Barcode Validator](https://elysiatools.com/en/tools/ean8-validator): Validate 8-digit EAN-8 / GTIN-8 product barcodes with check-digit verification, GS1 country prefix and packaging breakdown. - [Entropy Calculator](https://elysiatools.com/en/tools/entropy-calculator): Measure the randomness of any data — Shannon entropy (bits/symbol), Min-Entropy (worst-case guess work), alphabet size, duplicate rate, and an average brute-force cracking time at a chosen hash rate. Rates data as Strong (≥128-bit min-entropy), Medium (64-127), or Weak (<64). - [File Hash Verifier](https://elysiatools.com/en/tools/file-hash-verifier): Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes - [Hash Algorithm Comparator](https://elysiatools.com/en/tools/hash-algorithm-comparator): Hash the same input with MD5, SHA-1, SHA-256, SHA-512, BLAKE2b, and BLAKE3 at the same time and compare them side by side: output length, hex/Base64 digest, security status (broken / modern), and a relative speed benchmark. Great for teaching, choosing a hashing algorithm, or sanity-checking checksums. - [Hash Generator](https://elysiatools.com/en/tools/hash-generator): Generate hash values (MD5, SHA1, SHA256, SHA512) - [IBAN & SWIFT Validator](https://elysiatools.com/en/tools/iban-swift-validator): Validate International Bank Account Number (IBAN) and SWIFT/BIC codes with checksum verification - [ICCID Validator](https://elysiatools.com/en/tools/iccid-validator): Validate ICCID numbers for SIM cards with Luhn checksum and issuer analysis - [IMEI Validator](https://elysiatools.com/en/tools/imei-validator): Validate IMEI numbers for mobile devices using Luhn checksum algorithm - [ISBN Validator](https://elysiatools.com/en/tools/isbn-validator): Validate ISBN-10 and ISBN-13 book number formats with checksum verification - [Luhn Checksum Calculator](https://elysiatools.com/en/tools/luhn-checksum): Validate or generate numbers using the Luhn algorithm (mod-10). Works for credit cards, IMEI, IMEISV, SIN, NPI and any custom Luhn-based identifier. - [Mod-11 Checksum Calculator](https://elysiatools.com/en/tools/mod11-checksum): Validate or generate numbers using the Modulus-11 (ISO 7064) check-digit algorithm with ISBN-10 (10..2), Norwegian-ID (3,7,6,1,8,9,4,5,2) and generic 2-7 weight schemes. - [Password Strength Meter](https://elysiatools.com/en/tools/password-strength-meter): Estimate real password strength with Shannon entropy, zxcvbn pattern matching (l33t, dictionary, sequences, repeats) and brute-force crack-time across attack scenarios (offline fast/slow hash, online). The password is evaluated locally and never sent anywhere. - [PBKDF2 Generator](https://elysiatools.com/en/tools/pbkdf2-generator): Generate PBKDF2 key derivation hash - [Scrypt Generator](https://elysiatools.com/en/tools/scrypt-generator): Generate Scrypt hash from password - [UPC/EAN Barcode Validator](https://elysiatools.com/en/tools/upc-ean-validator): Validate GTIN-12 (UPC), GTIN-13 (EAN), GTIN-8, and GTIN-14 product barcodes with check digit verification - [URL Parameter Builder](https://elysiatools.com/en/tools/url-parameter-builder): Build and construct URLs with parameters by adding query strings, hash fragments, and path segments ## Related content - [Encryption](https://elysiatools.com/en/tags/encryption): Use 40 online encryption tools for encrypting, decrypting, and working with cipher, AES, and RSA data in your browser. - [MD5](https://elysiatools.com/en/tags/md5): Browse 5 online MD5 tools for working with MD5 hash values and data. Processing runs on Elysia Tools servers; text inputs are not stored and uploaded files are deleted after 6 hours. - [Check Digit](https://elysiatools.com/en/tags/check-digit): Browse 8 online check digit tools for working with check digit data in your browser. Text inputs are not stored, and uploaded files are deleted after 6 hours. - [Luhn](https://elysiatools.com/en/tags/luhn): Use 8 online Luhn tools in your browser for Luhn-related data checks. Text inputs are not stored, and uploaded files are deleted after 6 hours. - [Audio](https://elysiatools.com/en/tags/audio): Browse 312 online audio tools for MP3, WAV, OGG, FLAC, AAC, and M4A files. Process audio in your browser with server-based processing. - [Base64](https://elysiatools.com/en/tags/base64): Browse 16 online Base64 tools for processing, converting, validating, and managing Base64 data and files in your browser.