🛠️ Free Online Tools
A collection of useful browser-based tools for working with files and data. All tools run entirely in your browser - no uploads, completely private and secure.
📋 File Analyzer
Upload any file to identify its type, read metadata, calculate hashes (MD5, SHA-1, SHA-256), and view hex dump. Perfect for verifying file integrity and analyzing unknown files.
🔍 Extension Search
Search our database of 12,000+ file extensions. Get instant results with descriptions, associated applications, and technical details.
🔤 Text Case Converter
Convert text between different cases: UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case, kebab-case. Includes reverse text, remove spaces, and character statistics.
🔐 Base64 Encoder/Decoder
Encode text or files to Base64, or decode Base64 strings back to text. Essential for data URLs, tokens, and binary data handling.
📝 JSON Formatter
Format, validate, and minify JSON data. Find syntax errors with helpful messages and clean up messy JSON with proper indentation.
🔬 Hex Viewer
View the raw hexadecimal representation of any file. Useful for analyzing binary files, finding magic bytes, and debugging file formats.
🔐 File Hash Calculator
Calculate MD5, SHA-1, SHA-256, and SHA-512 hashes for any file. Verify file integrity, check for tampering, and compare file versions.
Why Use Our Tools?
- ✅ 100% Privacy: All tools run in your browser - no files uploaded to servers
- ✅ Free Forever: No registration, no limits, no hidden costs
- ✅ Fast & Instant: Client-side processing means immediate results
- ✅ Works Offline: Most tools work even without internet connection
- ✅ No Ads or Tracking: Clean, focused tools without distractions