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JSONBase64RegexUUIDJWTHashCSSColorsSVGMarkdownCORSCron+80 more
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Formatters & Converters

12
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JSON Formatter

Format, minify, and validate JSON

SQL

SQL Formatter

Format & beautify SQL

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CSS Minifier

Minify or beautify CSS

JS

JS Minifier

Minify or beautify JS

YML

JSON ↔ YAML

Bidirectional conversion

TS

JSON to TypeScript

Generate TS interfaces from JSON

CSV

CSV ↔ JSON

Bidirectional conversion

JSX

HTML to JSX

Convert HTML to React JSX

N>

SQL to NoSQL

Convert SQL to MongoDB/DynamoDB

+-

Diff Checker

Compare two texts visually

0x

Number Base

Binary, octal, hex

U

Unit Converter

Length, weight, temp, speed, data
#

Encoders & Generators

10
B64

Base64 Encode/Decode

Encode and decode Base64 text

%

URL Encode/Decode

Encode and decode URL components

ID

UUID Generator

Generate v4 UUIDs in bulk

#!

Hash Generator

MD5, SHA-1, SHA-256, SHA-512

JWT

JWT Decoder

Decode JSON Web Tokens

**

Password Generator

Strong random passwords

QR

QR Code Generator

Text/URL to QR code

&;

HTML Entity Encoder

Encode/decode HTML entities

\n

String Escape/Unescape

Escape for JSON, HTML, URL, SQL, Regex, CSV

/-

Slug Generator

URL-friendly text
>

Web & API Tools

13
API

API Request Builder

Test HTTP APIs (mini-Postman)

200

HTTP Status Codes

Searchable reference

.*

Regex Tester

Test regex with live highlighting

/g

Regex Library

Common regex patterns to copy

@

Cron Parser

Explain cron in plain English

CT

Crontab Generator

Visual cron expression builder

Git

Git Command Generator

Build git commands visually

.env

Env Variable Manager

Parse, edit & diff .env files

DC

Docker Compose Generator

Build docker-compose.yml visually

TW

Tailwind Class Sorter

Sort Tailwind CSS classes

755

Chmod Calculator

Unix file permissions

TZ

Timezone Converter

Convert times between timezones

#

Epoch Converter

Seconds since Jan 1, 1970
*

CSS & Design

8
C

Color Converter

HEX, RGB, HSL with preview

▓

CSS Gradient Generator

Build beautiful CSS gradients

▣

Box Shadow Generator

Visual CSS box-shadow builder

⊞

Flexbox Playground

Interactive flexbox visualizer

⊡

CSS Grid Generator

Visual CSS Grid layout builder

◴

Border Radius Generator

Visual corner radius editor

▶

CSS Animation Generator

Keyframe animation builder

Ff

Font Pair Suggester

Curated Google Fonts pairings
@

Images & Media

7
B64

Image to Base64

Convert images to/from Base64

↔

Image Resizer

Resize, compress & convert images

🎨

Color Palette Extractor

Extract dominant colors from images

⬛

Favicon Generator

Generate favicons in all sizes

SVG

SVG Optimizer

Minify & optimize SVG files

📱

Screenshot Mockup

Place screenshots in device frames

A#

ASCII Art

Text to block letters
T

Text & Content

11
MD

Markdown Preview

Live Markdown to HTML

|T|

Markdown Table Generator

Build markdown tables visually

RM

README Generator

Build README.md with badges & sections

Aa

Lorem Ipsum

Generate placeholder text

Aa

Placeholder Text

Lorem Ipsum & alternative styles

Aa

Case Converter

camelCase, snake_case & more

↔

Text Reverser

Reverse strings & words

Wc

Word Counter

Words, chars, reading time

·¶

Whitespace Visualizer

Show spaces, tabs & line endings

🔊

Text to Speech

Read text aloud with voice controls

😀

Emoji Picker

Browse & copy emojis by category
~

Networking & Security

8
🔒

SSL Certificate Decoder

Parse SSL/TLS certificate details

CSP

CSP Header Generator

Build Content-Security-Policy headers

⇄

CORS Header Builder

Generate CORS configuration

IP

Subnet Calculator

IP subnet & CIDR calculations

:80

Port Reference

Common port numbers & services

i

Browser Info

User agent, screen, timezone

Nx

Nginx Config Generator

Build nginx.conf visually

.ht

.htaccess Generator

Apache redirect & rewrite rules
=

Math & Finance

17
f(x)

Scientific Calculator

Full-featured calculator

%

Percentage Calculator

X% of Y, % change, and more

[M]

Matrix Calculator

Multiply, transpose, determinant

σ

Statistics Calculator

Mean, median, mode, std dev & more

GPA

GPA Calculator

Grade point average on 4.0 scale

$

Mortgage Calculator

Monthly payments + amortization

$L

Loan Calculator

Payments + amortization

$+

Compound Interest

Investment growth calculator

$€

Currency Converter

Live exchange rates for 20+ currencies

Tax

Tax Calculator

Income tax estimation (US & Canada)

ROI

ROI Calculator

Return on investment analysis

401

Retirement Calculator

Savings projections with inflation

%%

Discount Calculator

Sale price, savings & discount %

Tip

Tip Calculator

Bill split with custom tip

BMI

BMI Calculator

Body Mass Index metric/imperial

Age

Age Calculator

Exact age from birthday

D-D

Date Difference

Days between two dates