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01JSON Formatter & Validator02JSON Path Builder03JWT Decoder04Base64 Encode / Decode05URL Encode / Decode06Unix Timestamp Converter07SQL Formatter08CSV ↔ JSON Converter09CSV Duplicate Processor10Markdown → HTML Converter11Regex Tester12HTML Formatter / Minifier13Character & Byte Counter14Japanese Era ↔ Gregorian Converter15Katakana ↔ Hiragana Converter16Japan Postal Code Lookup17Character Encoding Inspector (UTF-8)18XML ↔ JSON Converter19YAML ↔ JSON Converter20HTML Entity Encoder / Decoder21SQL IN Clause Generator22Date Difference Calculator23Japan Phone Number Formatter24CSV Column Extractor25CSV Merger26Text / JSON Diff Viewer27SQL INSERT Generator28SQL Function Reference29SQL Query Analyzer30Business Day Calculator31Power Query Code Generator32Japan Address Splitter33UUID Generator34Hash Generator (SHA-256 / SHA-512)35Number Base Converter (2 / 8 / 10 / 16)36Cron Expression Parser37Color Code Converter (HEX / RGB / HSL)38QR Code Generator39Image Resizer40Image Compressor41PDF Merger

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hash sha256 sha512 checksum fingerprint

Hash Generator (SHA-256 / SHA-512)

Generate SHA-256 and SHA-512 hash values for any text. Useful for password verification, file integrity checks, and checksums. All processing happens in the browser.

USAGE

3 simple steps

  1. 1Type or paste the text you want to hash
  2. 2Click Generate
  3. 3SHA-256 and SHA-512 hash values are displayed

FAQ

Frequently Asked Questions

Q. Is MD5 supported?

A. No. MD5 is not supported by the browser's Web Crypto API. SHA-256 and SHA-512 are available.

Q. Is the input text sent to a server?

A. No. Hashing is done entirely in the browser using the Web Crypto API — no data leaves your device.

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