Scrypt Hash + Verify

Hash Generator

Compute hashes of text or a file with thirteen algorithms at once: MD5, SHA-1, SHA-256, SHA-384, SHA-512, SHA3-256, SHA3-512, RIPEMD-160, BLAKE2b, BLAKE2s, BLAKE3, CRC32, and Adler-32.

Checksum Verifier

Verify the integrity of a file or text — paste the expected hash and the tool will detect the algorithm among 13 supported ones.

HMAC Generator

Compute HMAC (Hash-based Message Authentication Code) of text or a file with a secret key — eight algorithms at once: MD5, SHA-1, SHA-256, SHA-384, SHA-512, SHA3-256, SHA3-512, RIPEMD-160.

Bcrypt Hash + Verify

Hash passwords with bcrypt (random salt, adjustable cost) and verify a password against an existing bcrypt hash.

UUID Generator

Generate UUID versions 1, 3, 4, 5, 6 and 7 — random, time-based, and name-based.

Password Generator

Cryptographically random passwords with configurable length and character set.

sitemap.xml Validator

Check sitemap.xml — required fields, date formats, sitemaps.org limits, duplicate URLs.

Duration Calculator

Sum or subtract several durations — handy for tallying worked hours, video length, or total task time.

Roman Numeral Converter

Arabic number ↔ Roman numeral. Type into either field and the other updates automatically.

Meta Tags / Open Graph Generator

Generate HTML meta tags for SEO, Open Graph (Facebook), and Twitter Card — with a live share-card preview.

Number to Words

Convert a number into text (in Ukrainian, Russian, or English), with an optional currency-amount mode for hryvnia, dollar, euro, or ruble.

Text Diff

Compare two texts line by line — what was added, removed, or changed, with word-level highlighting inside changed lines.