🧰 Free Developer Tools

80 tools. Zero signup.

AI-powered utilities, dev helpers, code formatters, and creative tools. All free. Always will be.

80

Tools

4

Tracks

Daily

Updates

Dev Utilities (61)

JSON Formatter

Beautify or minify JSON in one click

Base64 Codec

Encode/decode text and files

API Tester

Send HTTP requests, inspect responses

Regex Tester

Test regex with real-time matching

UUID Generator

Generate UUIDs in bulk

Markdown Editor

Live preview markdown editor

Timestamp Converter

Unix time ↔ human readable

Color Converter

HEX ↔ RGB ↔ HSL

Calculator

Quick math and evaluation

JWT Decoder

Decode and inspect JWT tokens

URL Codec

Encode/decode URL components

Hash Generator

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

Text Diff Checker

Compare two texts line by line

Password Generator

Generate strong random passwords

QR Code Generator

Generate QR codes instantly

Lorem Ipsum

Generate placeholder text

Word Counter

Count words, chars, reading time

Case Converter

Convert between text cases

CSS Minifier

Minify or beautify CSS code

JS Minifier

Minify or beautify JavaScript

SQL Formatter

Format and beautify SQL

YAML↔JSON

Convert between YAML and JSON

HTML Entities

Encode/decode HTML entities

HTTP Status Codes

Look up HTTP status codes

Cron Generator

Generate cron expressions

JSON→CSV

Convert JSON arrays to CSV

Slugify

Convert text to URL slugs

Fake Data Gen

Generate test data

Programmer Calc

HEX/DEC/OCT/BIN converter

Meta Tag Gen

Generate SEO meta tags

JSON Validator

Validate JSON with Schema

Number Base

BIN/OCT/DEC/HEX converter

chmod Calculator

Unix file permissions

Percentage Calc

Quick percentage math

Epoch Converter

Unix timestamp ↔ date

Morse Code

Text ↔ Morse code

Stopwatch & Timer

Precision timing tool

ASCII Table

Character code reference

User Agent Parser

Parse browser UA strings

Luhn Validator

Validate card numbers

Text Repeater

Repeat & multiply text

IP Lookup

IP geolocation lookup

SSL Checker

Check SSL certificates

DNS Lookup

DNS record lookup

JSON→XML

Convert JSON to XML

MD→HTML

Markdown to HTML

Text→Binary

Text to binary converter

Roman Numerals

Roman numeral converter

Color Picker

Pick & convert colors

Gradient Gen

CSS gradient generator

Image→Base64

Convert images to Base64

JSON Diff

Compare JSON objects

Email Validator

Validate email addresses

UUID Decoder

Decode UUID structure

HTML Preview

Live HTML/CSS/JS preview

List Sorter

Sort, dedupe, shuffle lists

Data Size

Convert data size units

API Key Gen

Generate secure API keys

Text Readability

Analyze text complexity

Unix Time Calc

Add/subtract timestamps

Regex Generator

AI-powered regex from English

AI Lab (16)

AI Playground

Chat with multiple AI models

Code Generator

AI-powered code generation

Image Generator

Create images from text prompts

Translator

AI translation, 50+ languages

Text to Speech

Convert text to natural speech

Token Estimator

Count tokens and estimate cost

Text Summarizer

Summarize any text with AI

Code Explainer

AI explains your code

SQL Generator

Generate SQL from English

Unit Test Gen

Auto-generate unit tests

Commit Message

Generate conventional commits

README Generator

Generate professional READMEs

Blog Outline

SEO-optimized blog outlines

Social Posts

Posts for Twitter/LinkedIn

Grammar Check

Check grammar and writing style

Name Generator

Creative project names

Compare & Preview (2)

Model Compare

Compare AI model pricing

Website Preview

Preview any website at any size

Creative (1)

Color Palette Gen

Generate color palettes

Build your own AI tools.

All these tools run on Celuxe API. Get your key and start building in 60 seconds.

Get Your Free API Key →