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JSON Formatter beautifies messy JSON with proper indentation and validates it so you can spot errors instantly. Paste minified JSON to make it readable, or check that an API response is well-formed. It runs entirely in your browser.

Generate bcrypt hashes.

Instantly check if a CPF or CNPJ is mathematically valid.

Verify AFIP / ANSES tax identity numbers.

Minify JS code.

Base64 Encoder converts text to Base64 and decodes Base64 back to plain text. Useful for embedding data, debugging APIs, and handling encoded strings. Encoding and decoding happen instantly in your browser with no data sent anywhere.

Check the Digito Verificador of a Chilean ID.

Regex Tester lets you build and debug regular expressions with live match highlighting. Enter a pattern and test string to see exactly what matches as you type. Perfect for developers fine-tuning validation and search patterns. It runs in your browser.

Minify CSS code.

Pick colors and get HEX/RGB codes.

Format SQL queries.

RGB to HEX Converter turns red, green, and blue color values into a HEX color code, and also shows the HSL equivalent and a live color preview. Use the sliders or type exact values to find the perfect color for your website, design, or CSS. It is a fast, free tool for developers and designers that works entirely in your browser.

Test your internet connection speed directly in the browser. Measure download speed, upload speed, latency (ping), and jitter with animated gauges. Works on mobile and desktop — no app required.

Generate CSS gradients visually.

Convert Unix timestamps.

Verify the mathematical checksum of a KSA Iqama.

Generate UUIDs online.

Generate color palettes.

Generate QR codes online.

Verify the structure of a Nigerian Bank Verification Number.

Format XML files online.

CSV to JSON Converter turns CSV data (with a header row) into a clean JSON array of objects, automatically converting numbers and handling quoted fields. Copy the JSON or download it for use in APIs, apps, and config files. It is a fast, private developer tool that runs entirely in your browser with no uploads.

Generate htpasswd files.

HTML Formatter cleans up and indents messy HTML so it is easy to read and maintain. Paste minified or tangled markup and get neatly structured code back. It runs entirely in your browser, so your code stays private.