Category: Developer-Friendly Tools

  • Hash Generator — MD5, SHA-1, SHA-256, SHA-384, SHA-512 (online tool)

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    Generate cryptographic and checksum hashes (MD5, SHA-1, SHA-256, SHA-384, SHA-512) directly in your browser — no server upload. Choose algorithm, output format (hex/base64), and get immediate explanations about the results and security recommendations. Hash Generator — MD5 & SHA family Generate hashes locally in your browser. No data leaves your device. Input text / file…

  • Online Regex Tester – Test, Highlight & Replace Regular Expressions Instantly

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    Easily test your regular expressions with this free online Regex Tester. Validate, highlight, and replace patterns in real time — built for developers, learners, and QA professionals. Regex Tester (Light Mode) Test regular expressions — pattern, flags, matches, replace preview. Copy Pattern Export Pattern Flags: g i m s u y Run Clear Replace (preview)…

  • Random String Generator | Free Secure Online Tool

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    Generate Random String Length: How many? Lowercase (a-z) Uppercase (A-Z) Numbers (0-9) Symbols (!@#$%^&*) Generate String(s) Copy All Copied! Use our free Random String Generator to instantly create secure, customizable strings online. Whether you need strong passwords, API keys, tokens, or test data, this tool lets you choose length, character sets, and symbols with ease.…

  • UUID v4 Generator | Free Secure Online UUID Generator

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    Use our free UUID v4 generator to instantly create secure, unique identifiers online. A UUID (Universally Unique Identifier) is a 128-bit value that ensures global uniqueness, making it ideal for databases, APIs, tokens, and distributed systems. Generate UUID v4 How many UUIDs? Generate UUID(s) Copy All Copied! What is a UUID (Universally Unique Identifier)? A…

  • JSON Formatter & Validator Tool | Format & Validate JSON

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    Looking for a free and easy way to format and validate JSON online? Our JSON Formatter and Validator tool helps you instantly check, beautify, and minify your JSON data. Whether you are a developer, tester, or student, this online JSON tool makes it simple to validate your code, fix errors, and present it in a…