Hash Generator Tool - Multi-Algorithm Hash Calculator with File Support

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Free multi-algorithm hash generator with instant browser-based processing. All hash calculations are performed entirely within your browser - your data never leaves your device or gets uploaded to any server.

⚠️ IMPORTANT DISCLAIMER:

  • This tool is provided for demonstration purposes only, "AS IS" without any warranties.
  • We accept NO responsibility for any issues arising from the use of this tool.
  • Hash values are for verification and integrity checking purposes only.
  • Always verify critical data through multiple independent sources.
  • By using this tool, you accept FULL responsibility for all outcomes and consequences.
  • Algorithm Security: Cryptographic algorithm security status changes over time. Users must independently verify current security recommendations for their use case and jurisdiction.
  • Responsibility: Users are solely responsible for selecting appropriate algorithms and staying informed about current security standards and best practices.

Privacy & Security: This tool operates entirely within your browser using client-side JavaScript. During hash calculation, no data is transmitted to servers, no files are uploaded online, and all processing happens locally on your device. By using this tool, you agree to our Web Tools Disclaimer.

Select Hash Algorithms:

ℹ️ Important Notes on Algorithm Selection:
  • Security Status Changes: Cryptographic algorithm security evolves over time. What is secure today may become vulnerable in the future.
  • Your Responsibility: You must independently research and verify the current security status and appropriateness of any algorithm for your specific use case.
  • Examples of Known Issues (as reference only): As of common industry knowledge, MD5 and SHA-1 have known vulnerabilities and are not recommended for security-critical applications. However, algorithm status may change, and you must verify current recommendations independently.
  • Context Matters: Different use cases (file verification, security operations, compliance) have different requirements and acceptable algorithms.
  • Stay Informed: Regularly check authoritative sources (NIST, IETF, security advisories) for current recommendations and deprecation notices.
  • Professional Advice: For security-critical applications, consult qualified security professionals or cryptographers.

📁

Drop file here or click to browse

(Max: 150MB with 4 algorithms on Desktop)

🔍 Compare Hash:


Features:

  • 🔢 Multi-Algorithm Support: Generate hashes using multiple algorithms simultaneously
  • 📝 Text & File Support: Hash both text content and files
  • 🖥️ Client-Side Processing: All operations performed locally in your browser
  • 📋 Easy Copy: One-click copy for each hash value
  • 🔍 Hash Comparison: Verify file integrity by comparing hash values
  • 💾 Large File Support: Handle large files with chunked processing
  • 🎯 Drag & Drop: Simply drag files into the browser
  • 📱 Mobile Friendly: Responsive design works on all devices

Security Resources:

  • Stay Informed: Users should regularly consult authoritative sources for current cryptographic recommendations
  • Key Organizations: NIST (National Institute of Standards and Technology), IETF (Internet Engineering Task Force), and relevant industry-specific standards bodies
  • Best Practice: Always verify algorithm appropriateness through multiple independent and current sources before use in production or security-critical applications

Supported Algorithms:

  • MD5: 128-bit hash (commonly used for checksums)
  • SHA-1: 160-bit hash (legacy, use SHA-256+ for security)
  • SHA-224/256/384/512: SHA-2 family (secure for most purposes)
  • SHA3-224/256/384/512: SHA-3 family (latest standard)
  • RIPEMD-160: 160-bit hash (alternative to SHA-1)

How to Use:

  1. Select the hash algorithms you want to use
  2. Choose between Text or File mode
  3. For text: Type or paste your text in the input area
  4. For files: Drop a file or click to browse
  5. Click "Generate Hashes" to calculate
  6. Use "Copy" buttons to copy individual hash values
  7. Optionally, paste a hash value to compare and verify

Use Cases:

  • File Verification: Verify downloaded file integrity
  • Data Integrity: Check if files have been modified
  • Checksum Validation: Validate software downloads
  • Password Hashing: Generate hash values for testing (not for production)

Important Security and Usage Notes:

  • Algorithm Selection: MD5 and SHA-1 are considered cryptographically broken. Use SHA-256 or higher for security-sensitive applications
  • Not for Production Security: This tool is for demonstration and file verification only. Do not use for password hashing, authentication, or security-critical systems
  • Mobile Considerations: Large file processing on mobile devices may cause heating and battery drain. Keep your device charged and in a well-ventilated area
  • Processing Time: Large files with multiple algorithms may take several minutes. Do not lock your device screen during processing
  • Verification: For critical file verification, always use multiple independent tools and sources

System Requirements:

  • Desktop: Recommended for computers from 2015 or later with 4GB+ RAM
  • Tablet: Works on most tablets from 2018 or later with reduced file size limits
  • Mobile: Optimized for smartphones from 2019 or later; file sizes are limited for performance
  • Browser: Modern browsers required (Chrome 80+, Firefox 80+, Safari 13+, Edge 80+)

Third-Party Libraries

CryptoJS v4.2.0
Copyright (c) 2009-2013 Jeff Mott
Copyright (c) 2013-2016 Evan Vosberg
Licensed under MIT License.
GitHub Repository


References:
Tech Blog with curated related content
Web Tools Collection

Written by Hidekazu Konishi