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Calculators, converters, dev tools, design utilities, and more. Everything runs in your browser — your data never leaves your device.

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91+ Tools
12 Categories
100% Free forever
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Developer Tools

21 tools
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JSON Formatter Format, validate, and view your JSON data
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Regex Tester Test and debug regular expressions with real-time matching
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Base64 Encoder / Decoder Encode text to Base64 or decode Base64 to text
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URL Encoder / Decoder Encode or decode URLs and query parameters
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Hash Generator Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
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UUID Generator Generate random UUIDs (v4) instantly
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JWT Decoder Decode and inspect JSON Web Tokens
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CSS Minifier Minify CSS code to reduce file size
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JavaScript Minifier Minify JavaScript code to reduce file size
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Text Encryption / Decryption Encrypt and decrypt text with AES-256 encryption
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RSA Key Pair Generator Generate RSA key pairs for encryption and signing
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Encoding Detector & Decoder Auto-detect and decode Base64, URL encoding, hex, JWT, and more
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HTML Entity Encoder / Decoder Encode and decode HTML entities and special characters
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JSON to CSV Converter Convert JSON arrays to CSV format and back
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YAML to JSON Converter Convert between YAML and JSON instantly
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XML Formatter Format, beautify, and validate XML documents
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HTML to Markdown Convert HTML markup to clean Markdown syntax
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CSV Viewer View and explore CSV data as an interactive table
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HTTP Status Codes Searchable reference of all HTTP status codes
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HTML/CSS/JS Playground Write and preview HTML, CSS, and JavaScript with live output
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JWT Builder Create and sign JSON Web Tokens with custom claims
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Finance & Math

5 tools
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Health & Fitness

3 tools
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Life & Lifestyle

12 tools
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Everyday Tools

7 tools
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Design & CSS

6 tools

Text Tools

11 tools

Converter Tools

7 tools

Generator Tools

3 tools
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Image Tools

9 tools
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SEO Tools

3 tools
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Data & Statistics

2 tools

Cloud Sync

Connected to Google Drive