All Tools

Browse our collection of 429+ free online tools for developers

Popular Tools

Text Case Converter

Convert between different text cases

Word Counter

Count words and characters

Text Diff Tool

Compare two texts

Strip HTML Tags

Remove HTML tags from text

Tabs to Spaces Converter

Convert tabs and spaces

Bold Text Generator

Generate bold Unicode text

Lorem Ipsum Generator

Generate placeholder text

Random Number Generator

Generate random numbers

Base64 Encoder/Decoder

Encode and decode Base64

URL Encoder/Decoder

Encode and decode URLs

JWT Decoder

Decode JWT tokens

JSON Formatter

Format and beautify JSON

JSON to TypeScript

Convert JSON to TS types

SHA-256 Hash Generator

Generate SHA-256 hashes

Password Generator

Generate secure passwords

UUID Generator

Generate UUID/GUID

Unix Timestamp Converter

Convert Unix timestamps

Time Zone Converter

Convert between time zones

Age Calculator

Calculate age from birthdate

XML Formatter

Format and beautify XML

XML to JSON Converter

Convert XML to JSON

YAML Formatter

Format YAML documents

HTML Formatter

Format and beautify HTML

HTML to JSX Converter

Convert HTML to JSX

Meta Tag Generator

Generate SEO meta tags

Structured Data Generator

Generate JSON-LD schema

CSS Formatter

Format and beautify CSS

CSS to Tailwind

CSS to Tailwind classes

CSS Gradient Generator

Generate CSS gradients

Box Shadow Generator

Generate box shadows

CSS Flexbox Generator

Build flexbox layouts

JavaScript Formatter

Format JavaScript code

JavaScript Minifier

Minify JavaScript code

TypeScript to JavaScript

Compile TypeScript to JS

Code Diff Tool

Compare code differences

JavaScript Console

Online JS console

RegExp Tester

Test regex patterns

SQL Formatter

Format SQL queries

Cron Expression Generator

Generate cron expressions

Color Converter

Convert between color formats

Color Picker

Pick colors visually

Color Palette Generator

Generate color palettes

Color Contrast Checker

Check WCAG contrast

Image Compressor

Compress images

Image Resizer

Resize images

QR Code Generator

Generate QR codes

Number Base Converter

Convert between number bases

Statistics Calculator

Statistical calculations

Percentage Calculator

Calculate percentages

Random Number Generator

Generate random numbers

Length Converter

Convert length units

Weight Converter

Convert weight units

Temperature Converter

Convert temperatures

Digital Storage Converter

Convert storage units

UUID Generator

Generate UUIDs and unique IDs

Lorem Ipsum Generator

Generate placeholder text

Password Generator

Generate secure passwords

Mock Data Generator

Generate mock JSON data

Markdown Preview

Live markdown preview

Markdown to HTML

Convert markdown to HTML

Markdown Table Generator

Generate markdown tables

URL Parser

Parse URL components

URL Encoder/Decoder

Encode/decode URLs

IPv4 Validator

Validate IPv4 addresses

CIDR Calculator

Calculate CIDR subnets

Meta Tag Analyzer

Analyze meta tags for SEO

SERP Preview Tool

Preview Google search results

Schema Markup Generator

Generate JSON-LD schema

ENV Parser

Parse .env files

Package.json Generator

Generate package.json

Gitignore Generator

Generate .gitignore

PDF Merge

New

Merge multiple PDFs into one

PDF Split

New

Split PDF into separate files

PDF to Image

New

Convert PDF pages to images

Image to PDF

New

Convert images to PDF

PDF Compress

New

Compress PDF file size

Categories

Text Tools

68 tools

Text manipulation, case conversion, and analysis tools

Encoding/Decoding

35 tools

Base64, URL encoding, and character encoding tools

Hash & Crypto

25 tools

Hash generation, encryption, and password tools

JSON Tools

20 tools

JSON formatting, validation, and conversion

XML/YAML/TOML

15 tools

XML, YAML, TOML, and INI formatting and conversion

HTML Tools

18 tools

HTML formatting, conversion, and SEO tag generation

CSS Tools

22 tools

CSS generators for gradients, shadows, and more

Code Tools

20 tools

Code formatting, minification, and regex tools

Color Tools

18 tools

Color picking, conversion, and palette generation

Image Tools

15 tools

Image compression, conversion, and QR codes

Date/Time

15 tools

Timestamp conversion and date calculations

Math Tools

18 tools

Calculators and number conversions

Unit Converters

12 tools

Length, weight, temperature, and more

Generators

20 tools

UUID, Lorem Ipsum, and mock data generation

Markdown

10 tools

Markdown editing and conversion

Network Tools

15 tools

IP, URL parsing, and web utilities

SEO Tools

12 tools

Meta tags, SERP preview, and readability

Dev Tools

15 tools

Config generators and developer utilities

PDF Tools

15 tools

Merge, split, rotate, compress, and convert PDF files client-side

Paper & Printables

11 tools

Graph paper, ruled paper, envelope templates, and printable generators

Kids & Education

16 tools

Worksheets, flashcards, puzzles, and educational generators

Planners & Organizers

13 tools

Weekly planners, calendars, habit trackers, and printable organizers

Fun & Social

20 tools

Party games, trivia, jokes, and social activity generators