100% Free & Open Source

Developer Tools, Supercharged

Format, encode, generate, convert, and test — all in one place.
Every tool runs entirely in your browser. Your data never leaves your machine.

60+Tools
100%Client-Side
FreeForever

Markdown Previewer

Preview and convert Markdown to HTML with live syntax highlighting

HTML Formatter

Instantly beautify and format messy HTML code

CSS Gradient Generator

Create and customize beautiful CSS gradients visually

Box Shadow Generator

Visually create highly customizable CSS box shadows

Flexbox Generator

Visually build and test CSS Flexbox layouts

CSS Grid Generator

Visually build CSS Grid layouts and generate code

CSS Minifier

Minify CSS and beautify code with proper formatting

JS / TS Formatter

Instantly beautify JavaScript, TypeScript, and JSX/TSX code

JSON Formatter

Pretty-print, minify, and format JSON data with syntax highlighting

JSON Tree Viewer

Visually explore and navigate complex JSON data structures

JSON Validator

Validate JSON syntax with detailed error messages and line numbers

XML Formatter

Format and beautify XML documents with proper indentation

YAML Formatter

Format YAML files with accurate spacing

SQL Formatter

Pretty-print SQL queries with proper formatting and indentation

GraphQL Formatter

Instantly beautify GraphQL queries, mutations, and schemas

Base64 Encoder/Decoder

Encode and decode text to and from Base64 format

URL Encoder/Decoder

Encode and decode URLs with percent-encoding

JWT Decoder

Decode and inspect JSON Web Tokens — header, payload, and signature

HTML Entity Encoder

Encode and decode HTML entities for safe rendering

Password Generator

Generate secure, random passwords with customizable options

Password Strength Checker

Analyze password security and estimate time to crack

QR Code Generator

Generate customizable QR codes for URLs, text, and data

UUID Generator

Generate universally unique identifiers (UUID v4)

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes

HMAC & PBKDF2 Generator

Generate Message Authentication Codes and derive secure keys

AES Encrypt / Decrypt

Encrypt and decrypt text using Advanced Encryption Standard (AES)

Bcrypt Hash Generator

Generate and verify secure Bcrypt password hashes

RSA Key Pair Generator

Generate secure Public/Private RSA keys natively

RSA Encrypt / Decrypt

Encrypt and decrypt messages using RSA asymmetric keys

Dummy Data Generator

Instantly generate realistic mock data for testing APIs

Lorem Ipsum Generator

Generate placeholder text — paragraphs, sentences, or words

Cron Expression Generator

Build and understand cron expressions with a visual interface

Meta Tag Generator

Generate SEO and Social Media meta tags for your website

JSON <> CSV Converter

Convert data between JSON arrays and tabular CSV format

YAML <> JSON Converter

Convert configuration formats between YAML and JSON

XML <> JSON

Convert data seamlessly between JSON and XML formats

JSON Diff

Visually compare two JSON objects to find added, removed, or changed values

Base Encoders

Encode and decode data using Base32, Base58, Base64, and Base85

Text to Number Encoders

Encode text into Binary, Hexadecimal, or ASCII decimal numbers

Morse Code Translator

Translate text into Morse code (dots and dashes) and vice versa

Unicode & Punycode Converter

Convert domains to Punycode or escape strings to Unicode sequences

SVG to JSX

Transform raw SVG code into React-compatible JSX components

Markdown <> HTML

Convert between Markdown text and semantic HTML

Text Analyzer

Instantly count characters, words, sentences, and estimate reading time

URL & HTML Encoder

Safely encode and decode URL parameters and HTML entities

Text Formatter

Remove duplicates, trim spaces, sort lines, and clean text

Text Reverser & Rotator

Reverse strings, words, and lines or apply a ROT13 cipher

Text Diff & Compare

Visually compare two text blocks to find additions and deletions

Find & Replace

Bulk search and replace text with support for Regular Expressions

Text Case Converter

Convert text between uppercase, lowercase, camelCase, snake_case, etc.

Unicode Inspector

Inspect invisible characters, whitespace, and Unicode code points

Slug Generator

Convert any text into a URL-friendly slug

Random Text Generator

Generate Lorem Ipsum placeholder text or secure random strings

Color Converter

Convert between HEX, RGB, HSL color formats with live preview

Timestamp Converter

Convert between Unix timestamps and human-readable dates

Base Converter

Convert numbers between Binary, Octal, Decimal, and Hexadecimal

Query String Parser

Parse URLs and query strings into readable key-value pairs

HTTP Status Lookup

Search and discover HTTP status codes and their meanings

URL Parser

Parse URLs into protocol, host, path, and query parameters

Regex Tester

Test regular expressions with live highlighting and match details

Chmod Calculator

Visually calculate Linux file permissions in octal and symbolic formats

Browser Info Viewer

Instantly discover what information your browser is exposing

User-Agent Parser

Decode User-Agent strings to identify browser, OS, and device

PDF Unlocker

Remove password protection from multiple PDFs at once — fully client-side