294 Free Developer Tools — JSON, Base64 & Formatters

Essential utilities for developers including JSON formatters, Base64 encoders, and decoders. No signup required.

CSS / Frontend

CSS Formatter

Beautify CSS code.

CSS Minifier

Minify CSS for production.

Box Shadow Generator

Design CSS box-shadows.

Soon

Flexbox Playground

Experiment with flexbox layouts.

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CSS Flexbox Visual Builder

Build flexbox layouts visually.

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CSS Grid Generator

Build CSS grid layouts.

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CSS Grid Visual Builder

Build grids with a visual editor.

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CSS Animation Generator

Create CSS keyframe animations.

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CSS Animation Playground

Experiment with CSS animations.

CSS Clamp Generator

Build clamp() expressions.

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CSS Loader Generator

Generate CSS loaders.

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CSS Clip Path Generator

Design clip-path shapes.

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CSS Masking Generator

Build CSS mask styles.

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CSS Counter Style Generator

Create @counter-style rules.

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CSS Custom Properties Inspector

Inspect CSS variables.

Tailwind Class Sorter

Sort Tailwind classes.

Tailwind Class Merger

Merge conflicting Tailwind classes.

CSS to Tailwind Converter

Convert CSS to Tailwind.

Border Radius Generator

Design custom border radii.

Text Shadow Generator

Design CSS text shadows.

CSS Triangle Generator

Generate CSS triangle shapes.

CSS Filter Generator

Tune CSS filter values.

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CSS Transform Playground

Experiment with CSS transforms.

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CSS Variables Generator

Create CSS custom properties.

CSS Specificity Calculator

Calculate selector specificity.

CSS Unit Converter

Convert between CSS units.

Cubic Bezier Generator

Design cubic-bezier easings.

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Scrollbar Generator

Style custom scrollbars.

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SVG Blob Generator

Generate organic SVG blobs.

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SVG Wave Generator

Generate SVG wave dividers.

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SVG Background Generator

Generate SVG backgrounds.

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SVG to JSX

Convert SVG to JSX components.

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SVG Path Editor

Edit SVG path data visually.

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SVG Filter Generator

Build SVG filter effects.

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SVG Clip Path Generator

Generate SVG clipPath shapes.

REM ↔ PX Converter

Convert between rem and px.

Clamp Calculator

Calculate clamp() values.

Soon

Responsive Breakpoint Tester

Test responsive breakpoints.

Soon

Viewport Size Simulator

Preview viewport sizes.