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Developer Tools

Format JSON, encode Base64, test regex, and more dev utilities.

26 tools — all 100% client-side

JSON Formatter

Format, validate, and minify JSON with syntax highlighting.

Base64 Encoder/Decoder

Encode and decode Base64 for text and files.

URL Encoder/Decoder

Encode and decode URLs and URI components.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text.

Regex Tester

Test regular expressions with live highlighting and match details.

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words.

Markdown to HTML

Convert Markdown to HTML with live preview.

HTML to Markdown

Convert HTML to clean Markdown — all elements supported.

CSS Formatter

Format, beautify, and minify CSS with custom indentation.

YAML Formatter

Format, validate, and beautify YAML with error details.

HTML Formatter

Format and beautify HTML with custom indentation.

SQL Formatter

Format SQL queries with uppercase keywords and proper indentation.

XML Formatter

Format, beautify, and minify XML with validation.

JS Formatter

Format and beautify JavaScript with proper indentation.

TypeScript to JS Converter

Convert TypeScript to JavaScript — strip type annotations.

Color System Generator

Generate a full color system from one color.

Regex Explainer

Understand regular expressions — tokenize and explain each part.

.gitignore Generator

Generate .gitignore files for 30+ languages, frameworks, and tools.

JSON to TypeScript

Convert JSON objects to TypeScript interfaces or types instantly.

JWT Decoder

Decode and inspect JWT tokens — header, payload, and signature.

UUID Generator

Generate UUID v4 values — batch mode, multiple formats.

Text Diff

Compare two texts side by side — line-by-line diff with colors.

Box Shadow Generator

Create CSS box-shadow with live preview and copy.

CSS Grid Generator

Build CSS Grid layouts visually — generate code instantly.

CSS Flexbox Generator

Build Flexbox layouts visually — all properties.

Border Radius Generator

Create CSS border-radius with live preview and layers.