Tools By Radio Haryanvi 305+ Free Developer Suite
Format JSON, compress images, merge PDFs, generate QR codes, convert colors, and calculate math—all running 100% locally in your browser with zero data uploaded.
.env to .env Compare & Diff Tool
Compare two .env environment configuration files side-by-side. Detect missing environment variables, value mismatches, and export missing key templates.
JSON Formatter & Beautifier
Format, validate, prettify, and repair JSON strings instantly with syntax highlighting and tree view.
Regex Tester & Match Debugger
Build, test, and debug Regular Expressions with real-time match highlighting and capture group breakdowns.
JWT Decoder & Token Inspector
Decode JSON Web Tokens (JWT) client-side to inspect Header, Payload claims, and Expiration timestamps.
UUID / GUID v4 Generator
Generate bulk cryptographically secure Universally Unique Identifiers (UUID v4) instantly.
Base64 Encoder & Decoder
Encode plain text or binary strings into Base64 format or decode Base64 back to plain text.
Word & Character Counter
Real-time text analytics counting words, characters, sentences, paragraphs, reading time, and keyword density.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and CONSTANT_CASE.
Browse Tools by Category
Find specialized utilities grouped logically for developers, designers, content creators, and privacy-conscious users.
Developer Tools
JSON formatters, JWT decoders, Regex testers, and developer utilities
Text Tools
Case converters, word counters, text diff, and string manipulation
Color Tools
Color pickers, gradient generators, contrast checkers, and palette extractors
CSS Tools
Flexbox & Grid playgrounds, box shadow generator, and CSS utilities
Image Tools
Compressor, resizer, converter, SVG optimizer, and image tools
SVG Tools
SVG viewers, formatters, path inspectors, and vector converters
HTML Tools
HTML beautifier, minifier, sandbox previewer, and entity encoder
JavaScript Tools
JS minifier, AST viewer, module inspector, and sandbox runner
QR Code Tools
Custom QR code generator with logo support and built-in scanner
PDF Tools
Merge, split, compress, watermark, rotate, and extract PDF pages
Converters
Unit converter, timezone converter, base64, hash, and format converters
Encoding Tools
Base64 file encoder, URL encode/decode, Unicode, and Hex converter
Security Tools
Password generator, strength checker, hash generator, and encryption tools
Calculators
PX to REM, aspect ratio, ROI, percentage, and math calculators
Financial Calculators
EMI loan, compound interest, savings growth, ROI, and discount calculators
Utility Tools
Stopwatch, timer, random generator, UUID generator, lorem ipsum
Date & Time Tools
Unix timestamp ticker, date difference, timezone converter, and stopwatch
Networking Tools
Subnet calculator, IP lookup, DNS reference, and CIDR converter
Markdown Tools
Markdown editor, previewer, table generator, HTML to MD converter
Code Tools
Code minifier, beautifier, diff viewer, obfuscator, and formatters
Audio & Media Tools
Tone generator, BPM tapper, audio spectrum visualizer, and frequency sweeper
Hardware & Device Info
Screen DPI inspector, user agent parser, and battery status monitor
Web & SEO Tools
Meta tag generator, OpenGraph previewer, and Robots.txt builder
Data Processing
CSV to JSON, XML to JSON, list deduplicator, and mock data generators
Crypto & Web3
ETH address validator, Bitcoin inspector, and Wei to Ether converter
Excel & Spreadsheet Tools
Excel formula builders, CSV to Excel converters, and column index calculators
SEO & Webmaster Tools
Schema generators, SERP previews, robots.txt builders, sitemaps, and keyword density analyzers
AI Prompt & LLM Tools
LLM token counters, prompt enhancers, system prompt builders, and JSON Schema for AI models
Design & UI Asset Tools
Design token generators, glassmorphism builders, SVG waves, and color palette extractors
Discover More Utilities
Explore trending items and freshly added browser tools.
Text Compare & Diff Viewer
Compare two text blocks side-by-side or inline to highlight additions, deletions, and line changes.
CSS Gradient Generator
Create linear, radial, and conic CSS background gradients with customizable color stops and direction.
CSS Glassmorphism Generator
Create modern frosted glass card UI effects with backdrop-filter blur, opacity, and borders.
CSS 2D / 3D Transform Generator
Visually manipulate 2D/3D translate, rotate, scale, skew, transform-origin, and perspective.
Image Format Converter
Convert images between PNG, JPG, WebP, GIF, and BMP formats instantly.
HTML Live Code Sandbox & Preview
Test and render raw HTML, CSS, and JavaScript code in a real-time isolated sandbox iframe.
Frequently Asked Questions
Everything you need to know about privacy, performance, and browser execution.