code

Developer Tools

Free online developer tools. JSON formatter, Base64 encoder, cron generator, and more.

18 tools available

build

Base64 Encoder/Decoder

Encode or decode Base64 data instantly. Free online Base64 converter for developers with URL-safe and line-wrap options.

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rounded_corner

Border Radius Generator

Visually create CSS border-radius values with preview. Generate smooth rounded corners for buttons, cards, and UI elements.

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contrast

Color Contrast Checker - WCAG Accessibility Checker

Check color contrast ratios for WCAG accessibility compliance. Free online tool for designers and developers.

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palette

Color Converter (HEX/RGB/HSL)

Convert colors between HEX, RGB, and HSL formats instantly. Free online color converter for designers and developers.

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schedule

Cron Expression Generator

Description

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shadow

CSS Box Shadow Generator - Shadow Generator

Generate beautiful CSS box shadows with a visual editor. Preview, customize, and copy box-shadow CSS code instantly. Free online CSS shadow generator for developers and designers.

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palette

CSS Gradient Generator - Linear & Radial Gradient Maker

Create beautiful CSS gradients with a visual editor. Generate linear and radial gradients, customize color stops, and copy CSS code instantly. Free online gradient generator for developers and designers.

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calendar-clock

Date Format Converter

Convert dates between different formats instantly. Support for custom patterns, Unix timestamps, and ISO 8601.

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text_fields

Font Size Converter - CSS Unit Converter (px/em/rem/pt)

Convert font sizes between CSS units instantly - px, em, rem, pt, vh, vw. Free online font size converter for web developers and designers.

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enhanced_encryption

Hash Generator (MD5/SHA-1/SHA-256/SHA-512)

Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) instantly. Free online hash generator for developers and security professionals.

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code

JSON Formatter & Validator

Format, validate, and minify JSON instantly. Free online JSON tool for developers with syntax highlighting and error detection.

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markdown

Markdown to HTML Converter

Convert Markdown to HTML instantly with live preview. Free online tool for developers, bloggers, and writers.

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memory

Memory Unit Converter - Digital Storage Converter

Convert between digital storage units instantly - bits, bytes, KB, MB, GB, TB, PB and more. Free online memory converter for developers and IT professionals.

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image

Responsive Image Size Calculator

Calculate optimal image sizes for responsive web design. Generate srcset values and dimensions for different screen breakpoints.

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visibility

Text Contrast Checker

Check if your text and background colors meet WCAG accessibility standards for readable web content.

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link

URL Encoder & Decoder

Encode or decode URLs instantly. Convert special characters to URL-safe format and vice versa.

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key

UUID/GUID Generator & Validator

Generate UUIDs (v1, v3, v4, v5) and validate UUID formats. Free online UUID generator for developers with batch generation.

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code

YAML Formatter & Validator

Free online YAML formatter, validator, and JSON converter

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