DevToolsHub

Word Counter

Count words, characters, sentences and paragraphs in real time. Paste any text and get instant statistics.

Text Analysis

JSON Formatter

Beautify, minify and validate JSON data. Syntax highlighting with error detection for quick debugging.

Data Formatting

Color Picker

Pick colors visually and convert between HEX, RGB, HSL formats. Copy color codes with one click.

Design

Lorem Ipsum Generator

Generate placeholder text in paragraphs, sentences or words. Perfect for mockups and wireframes.

Content

Markdown Preview

Write Markdown and see a live HTML preview side-by-side. Supports GFM tables, code blocks and more.

Markdown

Text Diff Checker

Compare two blocks of text and see additions, deletions and changes highlighted inline.

Comparison

Slug Generator

Convert any title or sentence into a URL-friendly slug. Strips special characters automatically.

SEO

CSS Gradient Generator

Create beautiful linear and radial CSS gradients visually. Copy the generated CSS code instantly.

CSS

Box Shadow Generator

Design CSS box shadows with a visual editor. Adjust blur, spread, offset and color with live preview.

CSS

Flexbox Playground

Learn and experiment with CSS Flexbox properties interactively. See layout changes in real time.

CSS Layout

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates. Supports seconds and milliseconds.

Time

Byte Converter

Convert between bytes, KB, MB, GB, TB instantly. Supports both decimal (SI) and binary (IEC) units.

Data Size

Chmod Calculator

Calculate Unix file permissions visually. Toggle read/write/execute and get the numeric chmod value.

Linux

Wei / Gwei / ETH Converter

Convert between Wei, Gwei and ETH denominations instantly. Essential for gas calculations.

Ethereum

Checksum Address Validator

Validate Ethereum addresses using EIP-55 checksum. Detect typos before sending transactions.

Ethereum

Keccak-256 Hash Generator

Generate Keccak-256 hashes used by Ethereum for function selectors and address derivation.

Cryptography

JSON Formatter Pro

Advanced JSON formatting with tree view, path copying and schema validation.

Data

Base64 Encoder/Decoder

Encode and decode Base64 strings. Supports text and file input for data URIs.

Encoding

Word Counter Pro

Advanced word counter with reading time, keyword density and readability score.

Text

UUID Generator

Generate UUIDs v4 in bulk. Copy individual IDs or export a batch as a list.

Utilities

Regex Tester

Test regular expressions with live matching, capture group highlighting and a cheat sheet.

Regex

Color Palette Generator

Generate harmonious color palettes from a base color. Export as CSS variables or Tailwind config.

Design