All tools
44 tools across 6 categories. Use Ctrl K to search by keyword.
Developer Tools
Formatters, validators, encoders, hashes, and converters for everyday dev work.
JSON Formatter
Format, beautify, and explore JSON with an expandable tree view. Includes indent control and minify.
JSON Validator
Validate JSON structure and pinpoint syntax errors by line and column.
HTML Formatter
Clean and indent messy HTML for better readability.
CSS Formatter
Format and organize CSS automatically with configurable brace and indent styles.
SQL Formatter
Beautify SQL queries with proper indentation across Postgres, MySQL, SQLite, and MSSQL dialects.
XML Formatter
Format XML into a clean, readable structure with attribute control.
JSON to XML Converter
Convert JSON data into well-formed XML quickly.
XML to JSON Converter
Transform XML data into clean JSON with attribute preservation options.
Markdown to HTML Converter
Convert Markdown into safe, sanitized HTML with a live preview pane.
HTML to Markdown Converter
Turn HTML content into clean Markdown with GitHub-flavored syntax support.
Base64 Encoder / Decoder
Encode or decode Base64 strings, with UTF-8 and URL-safe variant support.
JWT Decoder
Decode and inspect JWT header and payload safely in the browser. Signature is not verified.
URL Encoder / Decoder
Encode or decode URLs and URL components for safe transmission.
SHA-256 Generator
Generate SHA-256 hashes from text or files using the Web Crypto API.
MD5 Hash Generator
Create MD5 hashes for text or files. Useful for checksums.
Design Tools
Interactive CSS generators with live previews. Copy and paste into your project.
CSS Gradient Generator
Design linear, radial, and conic CSS gradients with a live preview.
Box Shadow Generator
Build multi-layer CSS box-shadow styles with offset, blur, and spread controls.
Flexbox Playground
Experiment with Flexbox container and item properties visually.
Border Radius Generator
Create custom rounded corners with per-corner control and squircle presets.
Color Palette Generator
Generate color palettes from a base color using complementary, triad, and other schemes.
Text Tools
Word counters, case converters, diff checkers, and other text utilities.
Remove Duplicate Lines
Strip duplicate lines from text. Supports case sensitivity and whitespace trimming.
Word Counter
Count characters, words, sentences, and paragraphs with live reading-time estimates.
Case Converter
Convert text between upper, lower, title, camelCase, snake_case, kebab-case, and more.
Text Diff Checker
Compare two pieces of text and highlight differences inline or side by side.
Lorem Ipsum Generator
Generate placeholder text in classic, hipster, or corporate dialects.
Image Tools
Compress, convert, resize, and crop images — entirely in your browser.
Image Compressor
Compress JPEG, PNG, and WebP images locally with quality control.
JPG to PNG Converter
Convert JPG images to PNG with optional transparent backgrounds.
PNG to JPG Converter
Convert PNG images to JPG with a configurable background fill.
WebP Converter
Convert images to and from WebP with quality control.
Image Resize
Resize images to exact dimensions or by scale percentage.
Image Crop
Crop images with free or preset aspect ratios (1:1, 4:3, 16:9).
Calculators & Converters
Unit, age, EMI, percentage, file size, time zone, and timestamp tools.
Unit Converter
Convert units across length, mass, temperature, area, volume, speed, and more.
Age Calculator
Calculate exact age in years, months, and days from any birth date.
EMI Calculator
Estimate monthly loan EMI with a full amortization schedule and interest breakdown.
Percentage Calculator
Run quick percentage math: X% of Y, % change between values, add/subtract percentages.
File Size Converter
Convert between bytes, KB, MB, GB, and TB in binary or decimal units.
Time Zone Converter
Convert times across world time zones with DST-aware calculations.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in seconds or ms.
Utility Tools
Password generators, QR codes, barcodes, invoices, and PDF utilities.
Password Generator
Generate strong, cryptographically random passwords with character set and length controls.
QR Code Generator
Create QR codes for URLs, text, Wi-Fi, and contact details. Download as PNG or SVG.
Barcode Generator
Generate barcodes in Code128, EAN-13, UPC, Code39, and ITF formats.
Invoice Generator
Build and export professional invoices as PDFs. Saved locally to your browser.
PDF Merger
Combine multiple PDF files into one. Reorder by drag and drop.
PDF Splitter
Split a PDF into separate files by page ranges, or one file per page.