Removes unnecessary whitespace, comments, and optional closing tags from HTML code to reduce file size without altering rendered output. Everything runs locally in your browser — nothing is uploaded.
Removes unnecessary whitespace, comments, and trailing semicolons from CSS, while merging identical selector blocks where safe to do so.
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Format converters (INI to JSON, JSON to TOML, JSON to Toon, MessagePack/CBOR inspector), data tools (Excel data cleaner, Excel sheet merger, dataset analyzer, data anonymizer), code converters (code to cURL, cURL to code, JSON-RPC builder), and analyzers (HAR file analyzer, log file analyzer, package.json validator, MIME type finder).
Calculators (study time, test score, tip, triangle, volume converter, words per page, working capital, pythagorean theorem, scientific calculator), size converters (ring size, screen size, shoe size), and ZIP file extractor. (WebP to JPG/PNG and PDF page operations have their own dedicated pages.)
Strip all HTML tags from content and decode HTML entities. Convert any HTML document back to clean plain text.
HTML Minifier lets you removes unnecessary whitespace, comments, and optional closing tags from HTML code to reduce file size without altering rendered output. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Removes unnecessary whitespace, comments, and optional closing tags from HTML code to reduce file size without altering rendered output. Everything runs locally in your browser — nothing is uploaded. It's ideal for developers, designers, and anyone who needs to removes unnecessary whitespace, comments, and optional closing tags from html code to reduce file size without altering rendered output without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. Paste or type your content directly into the provided editor area.
Yes. After the initial page load, HTML Minifier runs entirely on your device with no internet connection needed. All processing is done locally.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check individual tool descriptions for specifics.
No. All code processing — formatting, minification, conversion, hashing — runs locally in your browser.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. SQL uses sql-formatter, JSON uses native JSON.parse, and other formatters follow widely adopted formatting rules.
Yes. All developer tools work fully offline after the initial page load.
Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results.
Diff Checker
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Regex Tester
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
JSON Formatter
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
JS Minifier
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.