Developer Tools Directory
Privacy-first browser utilities for formatting, comparing, and inspecting developer data cleanly without ad or analytics tracking.
Showing 4 of 4 tools
Code & Formatting
Beautify, format, and inspect structured code locally.
Code Formatter & Beautifier
Format, indent, and inspect JavaScript, TypeScript, JSON (lossless 64-bit integer safe), HTML, CSS, SCSS, and SQL locally with optional expiring share links.
Comparison & Diff
Inspect side-by-side and inline differences between code or text.
Code Diff Checker
Compare text, configuration files, and source code side-by-side or inline with syntax highlighting, file upload, quick swap, and optional expiring comparison links.
Text Utilities
Count, transform, sort, and clean text strings in the browser.
Unicode Text Counter
Count words, lines, grapheme clusters, UTF-8 bytes, characters with or without whitespace, selected-text slices, and reading time accurately across Unicode scripts and emoji.
QR & Sharing
Generate and decode QR codes completely offline in the browser.
QR Code Generator
Generate crisp QR codes locally for URLs and plain text with 4-module quiet zones, contrast-checked colors, SVG/PNG downloads, and optional centered brand logos.