22 free online developer utilities — all processed locally in your browser.
Transforms valid JSON documents into well-formed XML using customizable root-element naming and array-handling rules.
Compares two input texts side-by-side, highlighting inserted, deleted, and changed lines with distinct background colors.
Provides an interactive environment where users can write a regular expression pattern, test it against sample strings, and view real-time match.
Pretty-prints raw JSON with configurable indent width, key sorting, and bracket collapsing options while flagging syntax errors with exact.
Strips comments, whitespace, and shortens local variable names in JavaScript source without altering execution semantics.
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety.
Converts uploaded images (PNG, JPG, GIF, SVG, WebP) into Base64-encoded data URI strings ready for embedding in HTML, CSS, or JSON.
Reindents and rewrites SQL queries with configurable dialect support (MySQL, PostgreSQL, SQL Server, BigQuery) and keyword-case preference.
Generates UUID v4 random identifiers in standard 36-character string format with an optional compact hex mode (no dashes).
Encodes any Unicode string into its binary (base-2) representation, byte by byte, with visible byte-boundary separators.
Decodes space- or comma-separated binary strings back into human-readable Unicode text, rejecting malformed groups with an exact-position error.
Removes unnecessary whitespace, comments, and trailing semicolons from CSS, while merging identical selector blocks where safe to do so.
Decodes a Base64 data string back into its original image format and displays a preview directly in the browser with a download button.
Computes the 128-bit MD5 hash of any input text or uploaded file, returned as a 32-character hexadecimal string with optional uppercase.
Removes unnecessary whitespace, comments, and optional closing tags from HTML code to reduce file size without altering rendered output.
Transforms well-formed XML documents into equivalent JSON structures, mapping attributes to prefixed keys and text content to a configurable key.
Renders custom HTML and CSS markup into downloadable PNG, JPG, or SVG images directly in the browser.
Convert messy CSV or Excel sheets from clients into clean JSON in one batch. Handles missing values, nested rows, and generates strict JSON schemas for 50+ files at once.
Convert 100+ Markdown files into beautifully styled PDFs or static HTML with custom CSS, auto-generated table of contents, and corporate templates.
Convert TTF/OTF fonts to WOFF2 and subset to only used characters (Latin, Cyrillic, etc.). Generates @font-face CSS blocks. Cuts font files from MBs to KBs.
Scan thousands of log files or codebase files for regex patterns (IPs, API keys, URLs) and extract or replace them. Visual builder for non-coders with live preview.
Check if a domain name is available across major TLDs. Instantly verify domain availability, lookup registration status, and get suggestions for alternative names.