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Essential in-browser utility tools built for web developers. Format code, generate modern CSS rules, encode text, and speed up your daily workflows.
Free online JSON formatter, validator, and beautifier. Format, indent, validate syntax, and minify JSON data instantly in your browser.
Interactive online JSON tree viewer. Visualize, navigate, expand, and collapse complex nested JSON objects and arrays effortlessly.
Free online JSON to CSV and CSV to JSON converter. Convert JSON array data into downloadable CSV files and vice versa with one click.
Online SQL formatter and beautifier. Indent, align, uppercase SQL keywords, and format MySQL, PostgreSQL, SQLite, and SQL Server queries.
Free online HTML formatter, beautifier, and minifier. Indent unformatted HTML tags or compress markup for faster page load speeds.
Online CSS beautifier, formatter, and minifier. Organize CSS stylesheets with consistent rule spacing or compress CSS for production.
Free online JavaScript and TypeScript formatter. Beautify unformatted JS scripts with consistent indentation or minify code.
Visual CSS box shadow generator. Design soft, multi-layer, and inset CSS shadows with real-time preview and instant code copy.
Free online URL encoder and decoder. Convert query strings and special characters into percent-encoded RFC 3986 format and back.
Online HTML entity encoder and decoder. Convert special characters to HTML entities like &, <, >, " to prevent XSS attacks.
Free online Base64 text encoder and decoder. Encode plain UTF-8 text to Base64 strings and decode Base64 back to readable text.
Online JWT decoder and debugger. Decode and inspect JWT header, payload claims, expiration timestamps, and signature details in real time.
Free online cryptographic hash generator. Compute MD5, SHA-1, SHA-256, and SHA-512 cryptographic message digests in real time in your browser.
Free online RFC 4122 Version 4 UUID and GUID generator. Generate bulk cryptographically secure unique identifiers with custom formatting.
Cryptographically strong online random password generator. Create high-entropy passwords with custom character sets, length slider, and strength gauge.
Free online QR code generator. Create custom QR codes for website URLs, plain text, Wi-Fi networks, and contact details with instant PNG download.
Online text case and URL slug generator. Convert strings to camelCase, kebab-case, snake_case, PascalCase, CONSTANT_CASE, and SEO slugs.
Free online Unix epoch timestamp converter. Convert timestamps in seconds/milliseconds to human-readable dates, UTC, ISO 8601, and live time.
Free online color converter and visual picker. Synchronously convert colors between HEX, RGB, HSL, and CMYK formats with live color swatch preview.
Online regular expression (RegExp) tester and debugger. Test regex patterns in real time with match highlighting, capture groups, and flag toggles.
Free online text diff checker and code comparison tool. Compare two text files or code snippets side-by-side to highlight added and removed lines.
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