Free Developer tools
Format JSON, encode Base64 and URLs, generate QR codes, passwords, UUIDs and hashes. Your data stays in your browser.
18 tools
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QR Code Generator
Create QR codes for links, text, Wi-Fi and more, free to download.
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Password Generator
Create strong, random passwords you can trust.
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JSON Formatter
Format, validate and beautify JSON with clear error messages.
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JSON to CSV
Convert a JSON array into a CSV file for spreadsheets.
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CSV to JSON
Convert CSV data into a JSON array of objects.
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Base64 Encoder and Decoder
Encode text to Base64 or decode Base64 back to text.
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URL Encoder and Decoder
Encode or decode text for safe use in URLs.
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Barcode Generator
Generate barcodes such as EAN-13, UPC and Code 128.
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Color Picker
Pick a color and get HEX, RGB and HSL codes.
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CSS Gradient Generator
Design linear and radial CSS gradients and copy the code.
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HTML Minifier
Minify HTML by removing whitespace and comments.
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CSS Minifier
Minify CSS to make stylesheets smaller and faster.
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JavaScript Minifier
Minify JavaScript code to reduce file size.
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Regex Tester
Test regular expressions with live match highlighting.
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UUID Generator
Generate random version 4 UUIDs in bulk.
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Hash Generator
Create SHA-256, SHA-1 and SHA-512 hashes of text or files.
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Unix Timestamp Converter
Convert Unix timestamps to human dates and back.
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Markdown to HTML
Convert Markdown to clean HTML with a live preview.
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