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Access our complete library of professional developer utilities. Fast, secure, and 100% free to use.
AI Prompt Generator
Use our free AI prompt generator to improve AI prompts. The ultimate ChatGPT prompt optimizer and Midjourney prompt m...
Advanced SEO Meta Tag & Open Graph Generator
Generate highly optimized meta tags, Twitter Cards, and Open Graph data for Google and Facebook with real-time visual...
Audio Speed & Pitch Changer
Change audio speed and pitch online for free. Adjust tempo from 0.5x to 2x and transpose musical keys by +/-12 semito...
Bcrypt Generator & Verifier
Generate and verify Bcrypt password hashes instantly in your browser. A secure, client-side Bcrypt hash calculator fo...
CSS Clip-Path Generator
Create custom CSS clip-path shapes with an interactive visual canvas. Drag polygon points, select 25+ presets, and ex...
CSS to Tailwind CSS Converter
Convert legacy CSS to modern Tailwind CSS utility classes instantly. 100% secure, free, and runs entirely in your bro...
Compare Text Online
Compare two texts, code files, or documents online with visual side-by-side split diff, word-by-word comparison, simi...
Cron Job Expression Generator & Explainer
Generate cron expressions visually and instantly translate any cron schedule into plain English. Includes GitHub Acti...
HEIC to JPG Converter
Free bulk online HEIC to JPG converter. Batch convert Apple iPhone HEIC and HEIF photos to high-quality JPG, PNG, or ...
HTML to JSX / TSX Converter
Instantly convert HTML code to React JSX or TSX components. Automatically handles className, style objects, SVGs, and...
HTTP Status Code Lookup
Look up any HTTP status code instantly 1xx to 5xx, Cloudflare codes, WebDAV, with JS/Next.js handling examples. Free...
Image Resizer & Compressor
Compress image to 20KB, 50KB, or 100KB online free instantly reduce image size in KB for government forms, exams (UP...
Image to WebP Converter
Convert up to 25 JPG, PNG, TIFF and BMP images to WebP with live before/after preview, smart resizing, and real-time ...
Instagram Bio & Caption Line Break Generator
Format Instagram bios and captions with invisible U+2800 line breaks, bold Unicode text, centered bio lines, and live...
Instagram Font & Fancy Text Generator
Generate 100+ stylish fancy fonts, aesthetic cursive bio text, and PUBG clan symbols instantly. Free online copy and ...
JSON to TypeScript Converter
Convert any JSON object into clean TypeScript interfaces instantly. Supports nested objects, arrays, and optional fie...
JWT Decoder & Verifier
Decode, parse, and verify JWT (JSON Web Tokens) securely in your browser. Validate claims and debug authentication pa...
JWT Secret Key Generator
Generate cryptographically secure, high-entropy JWT secret keys instantly. A free, client-side CSPRNG key generator f...
LLM API Cost Calculator
Compare LLM API pricing across 18 models GPT-4o, Claude Sonnet 4, Gemini 2.5 Pro, DeepSeek, Mistral and more. Calcul...
Markdown to HTML Converter
Convert Markdown to clean HTML instantly with live preview. Supports GitHub Flavored Markdown, tables, code blocks, a...
PX to EM Converter
Convert pixels to em and em to px with customizable parent font size. Free, instant, local calculation, copy-ready CS...
PX to REM Converter
Convert px to rem and rem to px instantly - bidirectional, custom base font size, bulk converter, and CSS snippet out...
Pomodoro Focus Timer
Boost your productivity using the best aesthetic Pomodoro timer online app. A free, unblocked 50/10 focus timer for M...
QR Code Generator
Generate custom QR codes for URLs, WiFi, WhatsApp, vCard & more. Add a logo, pick a frame, download PNG/SVG/JPG. Free...
Regex Tester & Debugger
Test, debug, and validate JavaScript regular expressions instantly. Live match highlighting, capture groups, all flag...
Robots.txt & LLMs.txt Generator
Generate robots.txt and llms.txt files instantly with AI bot presets for GPTBot, ClaudeBot, and PerplexityBot. Contro...
SQL Query Validator
Validate and format SQL queries instantly MySQL, PostgreSQL, SQLite & SQL Server. Free online SQL query checker with ...
SVG Path Builder & Visualizer
An interactive, client-side SVG path builder and visualizer tool. Generate optimized cubic and quadratic Bezier vecto...
SVG to JSX / TSX Converter
Transform raw SVG code into production-ready React (JSX/TSX) components. Features camelCase mapping, Tailwind support...
Shadcn Theme Generator
Visually generate and preview Shadcn UI themes. Customize HEX to HSL colors, enforce flat design, and instantly copy ...
Stripe & PayPal Fee Calculator
Calculate the exact Stripe and PayPal transaction fees for US and UK markets. A free developer tool to estimate SaaS ...
Tailwind Bento Grid Builder
Build responsive Tailwind CSS Bento Grid layouts visually drag, resize, and export clean React JSX or HTML code inst...
Tailwind Class Sorter
Sort Tailwind CSS classes instantly using Prettier's official order. Paste plain classes, HTML, or JSX get clean, so...
Tailwind SVG Background Pattern Generator
The ultimate visual builder for Dot Grids, Plus Signs, and geometric SVG background patterns. Generate optimized Tail...
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back instantly. View the current epoch time, convert any timestamp, and...
WebMCP Tool Schema Generator
Generate declarative HTML form structures or imperative JavaScript/TypeScript schemas to register local web tools wit...
Word & Character Counter
Free online word and character counter tool. Instantly calculate words, characters, sentences, and reading time for e...
XML Sitemap Validator & Checker
Free online sitemap XML checker and validator. Test sitemap.xml syntax, detect broken URLs (404/500), check lastmod d...
YouTube Money Calculator
Calculate YouTube earnings, estimated AdSense revenue, and creator RPM across 10 niches, video views, and country tiers.
cURL to Code Converter
Convert cURL commands to JavaScript Fetch, Axios, Python Requests, Go, and PHP code instantly. Free client-side cURL ...