Developer Tools That Just Work

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JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting

B64

Base64 Encode/Decode

Encode text to Base64 or decode Base64 back to text

%20

URL Encoder/Decoder

Encode or decode URLs and query parameters

.*

Regex Tester

Test regular expressions with real-time matching and explanation

🕑

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates

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Hash Generator

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

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Color Converter

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

JWT

JWT Decoder

Decode and inspect JSON Web Tokens without sending them anywhere

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Diff Checker

Compare two texts side-by-side and see the differences

ID

UUID Generator

Generate random UUIDs (v4) with one click

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Password Generator

Generate strong, cryptographically secure passwords

Aa

Lorem Ipsum Generator

Generate placeholder text for your designs and mockups

MD

Markdown Preview

Write Markdown and see the rendered HTML in real-time

CSS

CSS Minifier

Minify or beautify CSS code to optimize performance

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HTML Entity Encoder

Encode and decode HTML entities and special characters

⏰

Cron Expression Parser

Parse cron expressions and see when jobs will run

CSV

JSON to CSV Converter

Convert JSON arrays to CSV format with download

YML

YAML Validator

Validate, format, and convert YAML to JSON

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JSON Schema Validator

Validate JSON data against a JSON Schema

QR

QR Code Generator

Generate QR codes for URLs, text, and more

0x

Number Base Converter

Convert between binary, octal, decimal, and hex

Aa

Text Case Converter

UPPERCASE, camelCase, snake_case, kebab-case & more

IP

IP Address Lookup

Validate IPs, calculate subnets, and lookup details

SQL

SQL Formatter

Format and beautify SQL queries with proper indentation

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HTML Beautifier

Format, indent, and minify HTML code

JS

JavaScript Minifier

Minify or beautify JavaScript code with size stats

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CSS Gradient Generator

Create beautiful CSS gradients with live preview

IMG

Image to Base64

Convert images to Base64 data URIs for embedding

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JSON Path Finder

Find JSON paths with interactive tree view

API

HTTP Request Tester

Send HTTP requests with headers, auth, and body — like a mini Postman

📷

Code Screenshot

Create beautiful code screenshots with syntax highlighting and themes

A#

ASCII Art Generator

Turn text into ASCII art with 6 FIGlet-style fonts

↔

JSON Diff & Compare

Deep compare JSON objects with path-level diff highlighting

.*+

Regex Debugger

Debug regex with match highlighting, pattern explainer & code generation

▣

CSS Box Shadow Generator

Visual box-shadow editor with multiple layers, presets & undo/redo

RWX

Chmod Calculator

Interactive Linux file permissions calculator with visual display

JWT+

JWT Generator

Create and sign JSON Web Tokens with the Web Crypto API

TBL

Markdown Table Generator

Create Markdown tables visually with CSV/TSV import

SVG

SVG Optimizer

Optimize and clean SVG files to reduce file size

TOML

TOML Validator

Validate, format, and convert TOML to JSON

B64

Base64 Image Viewer

Encode images to Base64 or decode Base64 to images

Y⇄J

JSON ↔ YAML Converter

Convert between JSON and YAML formats

H→M

HTML to Markdown

Convert HTML to clean Markdown syntax

URL

URL Parser

Parse and analyze URL components

🌲

JSON Viewer

Interactive JSON tree viewer with search and path display

✓

JSON Validator

Validate JSON syntax and auto-fix common errors

XML

XML Formatter

Format, validate, and explore XML with XPath support

X⇄J

XML ↔ JSON Converter

Convert between XML and JSON formats

⏱

Crontab Generator

Build cron expressions visually with a friendly interface

flex

Flexbox Playground

Visual CSS Flexbox layout generator with live preview

JSX

HTML to JSX

Convert HTML to React JSX syntax

TS

JSON to TypeScript

Generate TypeScript interfaces from JSON

px

CSS Units Converter

Convert between px, rem, em, vh, vw units

TW

Tailwind CSS Lookup

Search Tailwind classes and see CSS output

W#

Word Counter

Count words, characters, sentences, and reading time

META

Meta Tag Generator

Generate SEO meta tags, OG tags & Twitter cards with previews

IMG

Placeholder Image

Generate placeholder & dummy images in any size and format

/-/

URL Slug Generator

Create SEO-friendly URL slugs from text

SVG

SVG Optimization: Complete Guide

Reduce SVG file sizes by 60-80% with optimization techniques and best practices.

TOML

TOML Configuration Files Guide

Syntax, data types, Cargo.toml, pyproject.toml, and TOML vs YAML vs JSON.

TS

15 TypeScript Tips for Cleaner Code

Practical TypeScript tips: satisfies operator, discriminated unions, branded types, and more.

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JSON vs YAML vs TOML

Side-by-side comparison of config formats with a practical decision guide.