Free Online Developer Tools

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JSON Formatter

Format and beautify JSON data with syntax highlighting.

JV

JSON Validator

Validate JSON syntax and detect errors with detailed messages.

J2X

JSON to XML

Convert JSON data to XML format with proper structure.

\

Escape JSON

Escape special characters in JSON strings for safe usage.

Y

YAML Formatter

Format and beautify YAML files with proper indentation.

</>

XML Formatter

Format and beautify XML with proper indentation and syntax.

X?

XML Validator

Validate XML syntax and check for well-formedness errors.

SQ

SQL Formatter

Format and beautify SQL queries with syntax highlighting.

H

HTML Formatter

Format and indent HTML code for better readability.

C

CSS Formatter

Format and beautify CSS with proper indentation.

JS

JavaScript Formatter

Format and beautify JavaScript code with proper indentation.

TS

TypeScript Formatter

Format and beautify TypeScript code with proper indentation.

MD

Markdown Converter

Convert Markdown to HTML or other formats with live preview.

-!

Code Minifier

Minify CSS, JavaScript, and HTML to reduce file size.

B64

Base64 Encoder

Encode and decode Base64 strings and data.

%

URL Encoder/Decoder

Encode and decode URLs and query parameters.

#

Hash Generator

Generate MD5, SHA-1, SHA-256, and other hash values.

ID

UUID Generator

Generate v4 UUIDs for unique identifiers.

.*

Regex Tester

Test regular expressions with live matching and capture groups.

* * *

Cron Builder

Build and visualize cron expressions with human-readable descriptions.

XJ

XML to JSON

Convert XML payloads into JSON for APIs and data migration work.

PW

Password Generator

Generate strong random passwords with custom length and character rules.

CG

CSS Gradient Generator

Create linear or radial gradients and copy ready-to-use CSS output.

JT

JWT Decoder & Encoder

Decode, encode, and verify JSON Web Tokens instantly in your browser.

UC

Unit Converter

Convert between common units for length, weight, area, and volume.

URL

URL Encoder / Decoder

Encode and decode URL strings for query parameters and web addresses.

CSV

CSV to JSON

Convert CSV data into structured JSON for APIs and data migration.

CP

Color Picker

Pick colors and get HEX, RGB, and HSL values for design work.

J2C

JSON to CSV

Convert JSON data to CSV format for spreadsheets.

PSC

Password Strength

Check password strength with real-time security feedback.

CPG

Color Palette

Generate harmonious color palettes from any base color.

</>

HTML Beautifier

Beautify or minify HTML code instantly.

CSS

CSS Beautifier

Beautify or minify CSS code instantly.

JS

JS Beautifier

Beautify or minify JavaScript code instantly.

IP

What Is My IP

Find your public IPv4 and IPv6 address instantly.

HEX

HEX RGB Converter

Convert HEX color codes to RGB and vice versa.

UV

UUID Validator

Validate UUID v1 and v4 format.

H

HTML Encoder

Encode and decode HTML entities.

R+

Regex Generator

Generate common regex patterns from UI.

UA

User Agent Parser

Parse and analyze browser user agent strings.

01

Binary Converter

Convert between binary, decimal, octal, and hex.

A

ASCII Table

Reference table of all ASCII characters.

CS

CSS Shadow Generator

Generate CSS box-shadow and text-shadow code.

ART

API Request Tester

Send HTTP requests and inspect responses.

HC

HTTP Header Checker

Fetch and display HTTP response headers.

JS

JS Validator

Validate JavaScript syntax instantly.

-flex

CSS Flexbox Generator

Generate CSS Flexbox layouts visually with live preview.

#

CSS Grid Generator

Generate CSS Grid layouts visually with live preview.

CA

CSS Animation Generator

Generate CSS keyframe animations visually.

UP

URL Parser

Parse URLs into components � protocol, hostname, port, path, query, hash.

?

Query String Builder

Build and parse URL query strings easily.

TD

Text Diff Checker

Compare two text blocks and highlight differences.

JWT

JWT Generator

Generate demo JWT tokens with custom header and payload.

0x

Hex Converter

Convert between HEX, decimal, binary, and octal number systems.

CB

CSS Beautifier

Beautify minified CSS code

JD

JWT Decoder

Decode JWT tokens instantly

HE

HTML Encoder Decoder

Encode and decode HTML entities

UT

Unix Timestamp Converter

Convert Unix timestamps to dates and back

CE

Cron Expression Generator

Generate cron expressions for scheduled tasks

OC

Octal Converter

Convert between octal, decimal, and hex

UC

Unicode Converter

Convert text to Unicode code points and back

GG

Gitignore Generator

Generate .gitignore files for any project

DG

Dockerfile Generator

Generate Dockerfiles for any project

RG

README Generator

Generate README.md files for projects

PJ

Package.json Generator

Generate package.json files

SC

Semantic Commit

Generate semantic commit messages

BN

Branch Namer

Generate git branch names from descriptions

CC

Code Comment Generator

Generate code comments from function signatures

GF

GraphQL Formatter

Format and validate GraphQL queries

SF

SCSS Formatter

Format SCSS code

LF

LESS Formatter

Format LESS code

LC

Linter Config Generator

Generate ESLint and Prettier config files

SPL

Split CSV

Split CSV files by rows or columns into multiple files.

XLS

CSV to Excel

Convert CSV files to Excel spreadsheets instantly in your browser.