Explore All Developer & Business Tools
High-performance, client-side developer utilities and financial calculators. No sign-up required, zero data collection.
Categorized Toolkits: 23
Favorites →SQL Formatter
Format, beautify, and minify SQL queries instantly with dialect support.
SQL Validator
Validate SQL query syntax, detect errors, verify clause structures, and lint queries in real time.
JSON Formatter
Format, beautify, structure, and minify JSON data with custom indentation and tree view.
JSON Validator
Validate JSON syntax, pinpoint line and column errors, auto-fix trailing commas, and audit JSON payloads.
CSV to JSON Converter
Convert Excel CSV data into clean structured JSON arrays with automatic type detection.
Base64 Encoder/Decoder
Encode and decode base64 text, images, and files instantly.
Binary Translator
Translate text to binary and binary back to text, byte by byte with bit-level inspection.
JWT Decoder/Encoder
Decode, encode, verify, and generate JSON Web Tokens (JWT) instantly online.
UUID Generator
Generate bulk RFC 4122 UUID v4 tokens cryptographically secure.
Hash Generator
Generate cryptographic hashes (MD5, SHA-256, SHA-512) for texts and strings.
Regex Tester
Test and debug regular expressions with instant syntax highlighting and match feedback.
CAC & LTV Calculator
Calculate SaaS KPIs, Customer Acquisition Cost, and Lifetime Value.
Profit Margin Calculator
Calculate gross profit, net margins, and business revenue metrics instantly.
ROI Calculator
Calculate return on investment, payback period, and financial performance.
Calorie & BMR Calculator
Calculate daily calorie needs, BMR, TDEE, and custom macronutrient breakdowns.
Document & Office Converter
Convert multiple images (JPG, PNG) and Office files (Word, Excel, PPTX, HTML) to PDF with custom layouts, live preview, and ZIP downloads.
Universal Image Converter
Convert between 14 formats: AVIF, BMP, EPS, GIF, ICNS, ICO, JPG, ODD, PNG, PS, PSD, TIFF, WEBP, and XPS with zero server uploads.
Image & File Compressor
Compress images (JPG, PNG, WebP) and pack files into optimized ZIP archives with instant size reduction.
PDF Merger & Organizer
Combine multiple PDFs and images into a single document with visual page ordering.
QR Code Generator
Create custom QR codes for URLs, WiFi credentials, vCards, and text.
QR & Barcode Scanner
Scan QR codes, UPC, EAN, and 1D/2D barcodes in real time using webcam, files, or clipboard.
Image Resizer
Resize, crop, and convert your images with custom dimensions and aspect ratios.
Image Color Palette Extractor
Extract dominant color palettes, HEX/RGB swatches, and color harmonies from any image instantly in your browser.
Explore Powerful Developer Suites
Discover lightweight, zero-latency utilities organized by workflow domain. All tools are free, private, and execute locally.
Database Tools
SQL formatters, JSON beautifiers, CSV converters and more
Developer Tools
Regex testers, encoders, hash generators for developers
Calculators
Calorie, ROI, CAC, LTV and other professional calculators
File Utilities
Convert, compress and transform files instantly