Free Developer Tools

Practical tools for front-end developers, web designers, and engineers. Generate CSS code, encode data, test regex, convert formats — all in the browser.

CSS Generators

CSS Gradient Gen

Linear, radial, conic

Box Shadow Gen

Copy CSS box-shadow

Border Radius Viz

Visual border-radius

Flexbox Playground

Visual CSS flexbox

CSS Grid Playground

Visual CSS grid

HTML & Color Tools

HTML Color Picker

HEX, RGB, HSL codes

HTML Entity Encoder

Encode HTML entities

HTML Table Generator

Generate <table> code

Color Palette Gen

Harmonious palettes

Encoding & Conversion

Base64 Encoder

Encode & decode Base64

Binary/Hex Converter

Bin ↔ Dec ↔ Hex ↔ Oct

JSON → CSV

Convert JSON to CSV

CSV → JSON

Convert CSV to JSON

Regex Tester

Test regex patterns

JSON Cleaner

Format & validate JSON

QR & Barcodes

QR Code Generator

Create QR codes

QR Code Reader

Scan & decode QR codes

Barcode Generator

EAN, Code128, UPC