78 Tools • 9 Categories • 100% Free

All Free Developer Tools
Alphabetically Organized

Browse our complete collection of 78+ professional tools. Filter by category or search by name. Every tool is free, works offline, and respects your privacy.

79 tools
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B

Background Remover

AI-powered background removal tool

Base64 Encoder/Decoder

Encode/decode Base64 for files, images, and text

Border Radius Generator

Generate CSS border radius

Box Shadow Generator

Generate CSS box shadows

C

Case Converter

Convert text case

Code Beautifier

Beautify code for readability

Code Diff Checker

Compare code differences

Color Changer

Replace colors in images

Color Format Converter

Convert color formats

Color Harmonies Generator

Generate color harmonies

Color Palette Generator

Generate color palettes

CSS Animation Generator

Generate CSS keyframe animations

CSS Button Generator

Generate CSS button styles

CSS Gradient Generator

Create CSS gradients with live preview and copy code

CSS Grid Generator

Generate CSS grid layouts

CSS Minifier

Compress CSS for faster websites

CSS Transform Generator

Generate CSS transforms

CSS Unit Converter

Convert CSS units (px/rem/em)

CSV to JSON Converter

Convert CSV to JSON format

D

Duplicate Image Finder

Find duplicate images in collections

E

EXIF Metadata Viewer

View image EXIF data and metadata

F

Flexbox Generator

Generate CSS flexbox layouts

G

Grayscale Converter

Convert images to grayscale

Grid Overlay Maker

Add grid lines to images

H

Hash Generator

Generate cryptographic hashes

HTML Entity Encoder

Encode/decode HTML entities

HTML/CSS/JS Minifier

Minify and beautify HTML, CSS, JavaScript code

HTTP Status Codes Reference

HTTP status codes reference

I

Image Blur Tool

Blur images or specific areas

Image Border Tool

Add borders and frames to images

Image Color Picker

Extract colors from images

Image Compressor

Compress JPG, PNG, WebP up to 90% smaller

Image Cropper

Crop images with preset aspect ratios

Image Filter Editor

Apply filters and effects to images

Image Format Converter

Convert between JPG, PNG, WebP, GIF formats

Image Merger

Combine multiple images into collages

Image Resizer

Resize images to any dimensions instantly

Image Rotator

Rotate images to any angle

Image Sharpener

Sharpen and enhance image clarity

Image Splitter

Split images into tiles for social media

Image to Base64 Data URI

Convert images to Base64 URI

IP Address Lookup

Lookup IP information

J

JSON Formatter & Validator

Format, validate and beautify JSON with error detection

JSON to CSV Converter

Convert JSON to CSV and vice versa

JWT Decoder

Decode JWT tokens

K

Keyword Density Checker

Check keyword density for SEO

L

Lorem Ipsum Generator

Generate placeholder lorem ipsum text

M

Markdown to HTML Converter

Convert Markdown to HTML

Meta Tag Generator

Generate SEO and social media meta tags

N

Noise Remover

Remove noise from photos

O

Open Graph Preview

Preview social media cards

Open Graph Tag Generator

Generate OG meta tags with preview

P

Palette Contrast Checker

Generate palettes and check WCAG color contrast

Password Generator

Generate secure passwords

Password Strength Checker

Check password strength

Pixelate Tool

Pixelate images or specific areas

Q

QR Code Generator

Create QR codes for URLs and text

Query String Builder

Build URL query strings

R

Random String Generator

Generate random strings

Readability Score Checker

Check readability score

Regex Tester & Debugger

Test regex patterns

Robots.txt Generator

Generate robots.txt for SEO

S

Schema Markup Generator

Generate JSON-LD schema markup

Shadow Generator

Add shadow effects to images

T

Text Overlay Tool

Add text overlays to images

Thumbnail Generator

Create optimized image thumbnails

Timestamp Converter

Convert Unix timestamps to dates

U

URL Encoder/Decoder

Encode/decode URLs

URL Slug Generator

Generate SEO-friendly slugs

User Agent Parser

Parse user agent strings

UTM Parameter Builder

Build UTM tracking URLs

UUID Generator

Generate unique UUIDs

V

Vignette Effect

Add vignette darkening effect

W

Watermark Tool

Add watermarks to protect images

WCAG Contrast Checker

Check WCAG contrast ratios

Word & Character Counter

Count words and characters

X

XML Sitemap Generator

Create XML sitemaps for SEO

XML to JSON Converter

Convert XML to JSON format

Y

YAML to JSON Converter

Convert between YAML and JSON

78 Free Developer Tools - Everything You Need in One Place

Welcome to the most comprehensive collection of free online tools for web developers, designers, and digital creators. Our platform offers 78+ professional-grade tools spanning 9 categories: Image Optimization, Code Formatting, CSS Generators, SEO Tools, Data Converters, Design Utilities, Text Manipulation, Security Tools, and Web Utilities.

What makes our tools special? 100% browser-based processing means your files never touch our servers—everything happens locally in your browser. This ensures complete privacy, blazing-fast speed, and the ability to work offline. No sign-up, no tracking, no limits. Whether you need to compress images by 90%, format JSON instantly, generate CSS gradients, optimize meta tags, or convert data formats, we've got you covered.

Built for professionals who value speed and privacy, our tools are trusted by developers, designers, and marketers worldwide. All tools are actively maintained, work on all modern browsers, and deliver instant results.

Free forever. No credit card. No sign-up. Unlimited usage. Your data never leaves your browser.

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