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Developer ToolkitAd-free & analytics-isolated

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 & Formatting

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.

JSON (Lossless)TypeScriptJavaScriptSQLHTML / CSS
Runs locally · Optional 7-day public shareOpen tool

Comparison & Diff

Inspect side-by-side and inline differences between code or text.

Comparison & Diff

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.

Split ViewInline ViewFile UploadSyntax Highlighting
Runs locally · Optional 7-day public shareOpen tool

Text Utilities

Count, transform, sort, and clean text strings in the browser.

Text Utilities

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.

Grapheme ClustersUTF-8 BytesSelection StatsReading Time
100% local in browser · Zero storageOpen tool

QR & Sharing

Generate and decode QR codes completely offline in the browser.

QR & Sharing

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.

SVG & PNGCustom LogoContrast Check4-Module Quiet Zone
100% local in browser · Zero uploadsOpen tool