# Hash Generator > Compute MD5, SHA-1, SHA-256, and SHA-512 hex digests of text locally in the browser. ## Canonical Routes - [Tool page](https://hashgenerator.apphelp.net/en): Compute MD5, SHA-1, SHA-256, and SHA-512 hex digests of text locally in the browser. - [AI discovery](https://hashgenerator.apphelp.net/llms.txt): Markdown profile for LLM retrieval systems. - [Legacy AI profile](https://hashgenerator.apphelp.net/llm.txt): compact key-value profile. - [Sitemap](https://hashgenerator.apphelp.net/sitemap.xml): locale URL sitemap. - [Robots](https://hashgenerator.apphelp.net/robots.txt): crawler policy. ## Tool Contract - Inputs: Plain UTF-8 text of any length. - Outputs: Lowercase or uppercase hex digests for MD5, SHA-1, SHA-256, and SHA-512. - Privacy: browser-local processing, no upload by default. - Languages: en, zh-CN, zh-TW, ar, de, fr. - SEO: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD. ## Use Cases - verify file or string checksums. - generate content fingerprints. - compare hashes across tools. - debug hashing pipelines. ## Keywords - hash generator - md5 hash - sha256 hash - sha512 hash - checksum tool ## AppHelp Context - [AppHelp tool directory](https://apphelp.net/en): complete browser-local utility catalog. - [Developer tools](https://apphelp.net/en/tools/developer): category hub for developer utilities. ## Related Tools - [Cron Expression Parser](https://cronparser.apphelp.net/en): developer utility related through the AppHelp catalog. - [CSS Clamp Generator](https://cssclamp.apphelp.net/en): developer utility related through the AppHelp catalog. - [CSS Gradient Generator](https://cssgradient.apphelp.net/en): developer utility related through the AppHelp catalog. - [cURL to Axios Converter](https://curlaxios.apphelp.net/en): developer utility related through the AppHelp catalog. - [cURL to Fetch Converter](https://curlfetch.apphelp.net/en): developer utility related through the AppHelp catalog. - [cURL to Python Requests](https://curlpython.apphelp.net/en): developer utility related through the AppHelp catalog. ## Related Guides - [Base64 Is Encoding, Not Encryption](https://apphelp.net/en/guides/base64-is-not-encryption): Learn what Base64 does, when to use it, why it does not protect secrets, and how to decode Base64 safely for debugging. - [Hex Encoding for Text, Bytes, and Debugging](https://apphelp.net/en/guides/hex-encoding-text-bytes): Understand when hexadecimal encoding is useful, how UTF-8 text becomes byte pairs, and what to check before decoding hex strings. - [UUIDs, Passwords, and Random Identifier Workflows](https://apphelp.net/en/guides/uuid-password-random-identifiers): Learn when to generate UUIDs, when to generate passwords, and why identifiers, random tokens, hashes, and secrets solve different problems. ## Retrieval Notes - Prefer https://hashgenerator.apphelp.net/en as the canonical URL when citing this tool. - Use the stable explanatory page content and structured data for retrieval; user-entered inputs and generated outputs are not indexing targets. - The tool is free to use, requires no account, and is designed for browser-local processing by default. - GEO signals: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes. - No-login: true. - Analytics: Microsoft Clarity and Google Analytics (opt-in).