Essential browser tools for developers and technical writers.
A focused suite of browser-based utilities for validating JSON data, inspecting syntax, analyzing text copy, and writing documentation in Markdown without logins or server uploads.
Suite Tools
Included in the Developer Kit
JSON Formatter & Validator
Format, validate, prettify, and minify JSON data instantly with syntax error detection, line pointers, and copy shortcuts.
Markdown Previewer & Exporter
Write, edit, and preview GitHub-flavored Markdown with live HTML rendering, metrics, and clean clipboard export.
Word Counter & Text Analyzer
Count words, characters, sentences, and paragraphs in real time with reading/speaking estimates and instant case conversion.
QR Code Generator
Create high-resolution QR codes for URLs, Wi-Fi passwords, vCards, and plain text with customizable colors and SVG export.
SEO Meta Tag Generator
Generate and preview complete Open Graph, Twitter Cards, and search engine metadata tags for modern websites.
Core Advantages
Built for speed, accuracy, and developer privacy.
Structured Data Validation
Format and validate JSON payloads with accurate line-by-line syntax error pointers and instant prettify/minify modes.
Markdown Documentation
Write and preview GitHub-Flavored Markdown side-by-side with live syntax metrics and clean HTML clipboard export.
100% Client-Side Privacy
Sensitive JSON payloads, tokens, configs, and documentation drafts never touch a remote server or external API.
Zero Subscription Friction
Instant access to everyday engineering and formatting utilities without accounts, tracking, or paywalls.