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Free Developer Tools

Format JSON, test regex, convert text case, generate placeholder text and more — all free, browser-based, no login required.

JSON Formatter Beautify and validate JSON code
Regex Tester Test regular expressions instantly
Case Converter Convert text to any case format
Lorem Ipsum Generator Generate dummy placeholder text
Remove Duplicates Clean duplicate lines or text entries
Theme Generator Generate CSS color themes instantly
Color Picker Pick colors and get HEX, RGB values
Password Generator Generate strong secure passwords
QR Code Generator Create QR codes for any URL or text

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