Developer Tools
These browser-based utilities support formatting, validation, encoding, and quick experiments alongside the HTML CSS JS compiler.
HTML Tools
HTML Formatter
Format HTML online with two-space indentation. Paste markup, inspect readable output and copy it without uploading your code.
Open Tool →HTML Minifier
Minify HTML online with conservative whitespace handling. Preserve preformatted text and inline scripts, then copy compact markup.
Open Tool →HTML Viewer
Paste HTML only and preview the rendered result safely—no CSS/JS panes.
Open Tool →HTML Encoder
Encode special characters into HTML entities.
Open Tool →HTML Decoder
Decode HTML entities back into readable characters.
Open Tool →HTML Tag Stripper
Strip HTML tags and keep the remaining plain text.
Open Tool →HTML Link Extractor
Collect href values from anchor tags in HTML.
Open Tool →HTML Table Generator
Generate a basic HTML table from rows and columns.
Open Tool →CSS Tools
CSS Formatter
Format CSS online with consistent indentation and declaration spacing. Keep quoted values intact and copy readable stylesheet output.
Open Tool →CSS Minifier
Minify CSS online with CSSO. Compact stylesheet syntax and equivalent values while preserving required calc() spacing.
Open Tool →CSS Gradient Generator
Build a simple linear gradient and copy the CSS.
Open Tool →CSS Color Converter
Convert between HEX and RGB color formats.
Open Tool →JavaScript Tools
JavaScript Formatter
Format JavaScript online with Prettier. Turn compact functions, objects and modules into readable code without executing your snippet.
Open Tool →JavaScript Minifier
Minify JavaScript online with Terser. Keep variable names, URL strings and license comments while removing unnecessary formatting.
Open Tool →JavaScript Validator
Check JavaScript syntax online without running it. Find parser errors in snippets and modules before testing runtime behavior.
Open Tool →JSON Formatter
Pretty-print JSON with indentation.
Open Tool →JSON Validator
Validate JSON and surface parse errors clearly.
Open Tool →Encoding Tools
Developer Utilities
Regex Tester
Test regular expressions against sample text.
Open Tool →Timestamp Converter
Convert Unix timestamps to readable dates.
Open Tool →UUID Generator
Generate UUID v4 values in the browser.
Open Tool →Character Counter
Count characters, words, and lines in text.
Open Tool →Lorem Ipsum Generator
Generate placeholder paragraphs for mockups.
Open Tool →