Developer Tools

B64

Base64 Encoder/Decoder

Encode and decode Base64 strings.

%20

URL Encoder/Decoder

Encode and decode URL strings.

Regex Tester

Test regular expressions with real-time matching.

Diff Checker

Compare two texts and highlight differences.

Comparator

Markdown Preview

Preview Markdown with live rendering.

Preview

$..

JSONPath Query

Query JSON data using JSONPath expressions.

Query

Hash Generator

Generate SHA-256, MD5, and other hashes.

Crypto

***

Password Generator

Generate secure random passwords.

Crypto

CLR

Color Converter

Convert between HEX, RGB, and HSL color formats.

Timestamp Converter

Convert Unix timestamps to human-readable dates.

UUID Generator

Generate random UUIDs (v4).

JWT

JWT Decoder

Decode JWT token header and payload.

Decoder

HTML Entity Converter

Encode and decode HTML entities.

CRN

Cron Parser

Parse cron expressions with next execution times.

Parser

IP Calculator

Calculate network address, broadcast, and host range from CIDR.

GRD

CSS Gradient Generator

Generate linear/radial CSS gradients visually.

755

Chmod Calculator

Calculate file permissions with intuitive checkbox UI.

CSV

CSV/JSON Converter

Bidirectional CSV and JSON conversion.

SQL

SQL Formatter

Auto-format SQL queries for readability.

Byte Converter

Convert between B/KB/MB/GB/TB/PB.

200

HTTP Status Reference

Reference for HTTP status codes and their meanings.

TXT

Lorem Ipsum Generator

Generate dummy text by paragraphs, sentences, or words.

QR Code Generator

Generate QR codes from text or URLs.

Number Base Converter

Convert between binary, octal, decimal, and hexadecimal.

YML

YAML Formatter

Format, validate YAML and convert to/from JSON.

Text Case Converter

Convert between camelCase, snake_case, kebab-case, and more.

URL

URL Parser

Parse URLs into components and reconstruct them.

Parser

JSON to TypeScript

Generate TypeScript type definitions from JSON.

String Escape/Unescape

Escape and unescape strings (JSON, HTML, URL, Unicode).

CSS

CSS Minifier/Formatter

Minify or beautify CSS with size stats.

</>

HTML Formatter

Format and beautify HTML with proper indentation.

ASC

ASCII Table

Searchable ASCII character reference table.

⏰

Crontab Generator

Build cron expressions visually with next execution times.

JWT

JWT Generator

Generate JWT tokens with HS256 signing.

Crypto

Meta Tag / OGP Generator

Generate meta tags and preview OGP cards for social sharing.

.gi

.gitignore Generator

Generate .gitignore files for various languages and frameworks.

TBL

Markdown Table Generator

Build Markdown tables with a visual grid editor.

IMG

Placeholder Image Generator

Generate SVG placeholder images with custom size and colors.

Regex Builder

Build regular expressions visually from common patterns.

SVG

SVG Viewer / Optimizer

Preview, optimize, and analyze SVG files.

Preview

CLR

Color Palette Generator

Generate color palettes from a base color.

BOT

robots.txt Generator

Generate robots.txt files with custom rules.

NGX

Nginx Config Generator

Generate Nginx server block configurations.

DCK

Docker Run to Compose

Convert docker run commands to docker-compose.yml.

FAV

Favicon Generator

Generate SVG favicons from emoji or text.

U+

Unicode Lookup

Search Unicode characters by name or code point.

0xF

Hex Encoder/Decoder

Encode and decode hexadecimal strings.

R13

ROT13 Cipher

Apply ROT13 transformation to text.

·−

Morse Code

Convert text to Morse code and back.

TML

TOML Converter

Convert between TOML and JSON formats.

1,0

Number Formatter

Format numbers with separators, currency, and notation.

rem

CSS Unit Converter

Convert between px, rem, em, vw, and vh.

XML

XML/JSON Converter

Convert between XML and JSON formats.

M→H

Markdown to HTML

Convert Markdown to HTML with preview.

JS Formatter

Format and minify JavaScript/TypeScript code.

XML

XML Formatter

Format, minify, and validate XML.

/-/

Slug Generator

Generate URL-friendly slugs from text.

D:U

Data URL Generator

Generate data URLs from text or SVG.

SHD

Box Shadow Generator

Generate CSS box-shadow with visual editor.

◜◝

Border Radius Generator

Generate CSS border-radius with visual editor.

FLX

Flexbox Playground

Build CSS Flexbox layouts visually.

GRD

Grid Generator

Build CSS Grid layouts visually.

Text Counter

Count characters, words, sentences, and reading time.

Analyzer

JSz

JSON Size Analyzer

Analyze JSON structure, size, and depth.

Analyzer

CAL

Date Calculator

Calculate date differences and add/subtract days.

16:9

Aspect Ratio Calculator

Calculate and convert aspect ratios.

Color Contrast Checker

Check WCAG color contrast ratios (AA/AAA).

😀

Emoji Picker

Search and copy emojis with Unicode info.

✓J

JSON Validator

Validate JSON with detailed error positions.

1.0

Semver Tester

Parse, compare, and test semantic versions.

🎨

HTML Colors Reference

Browse all 148 CSS named colors.

MIM

MIME Types Reference

Search MIME types by file extension.

⌨️

Keyboard Codes

View keyboard event codes by pressing keys.

CSS

CSS Specificity Calculator

Calculate and compare CSS selector specificity.

Email Validator

Validate email addresses with RFC checks.

.ht

.htaccess Generator

Generate Apache .htaccess configuration.

EditorConfig Generator

Generate .editorconfig files for your project.

TSc

tsconfig.json Generator

Generate TypeScript configuration files.

NID

NanoID Generator

Generate random IDs in various formats.

xn-

Punycode Converter

Encode/decode international domain names (IDN).

SQL

SQL Generator

Generate CREATE TABLE, INSERT, and ALTER statements.

ESL

ESLint Config Generator

Generate ESLint flat config files.

Inline Diff

Show character-level inline text differences.

Comparator

JSON to Go Struct

Generate Go struct definitions from JSON.

JSON to Python Dataclass

Generate Python dataclass definitions from JSON.

B58

Base58 Encoder/Decoder

Encode/decode Base58 (Bitcoin format).