Free AI & Developer Tools

{ }

JSON Formatter & Validator

Paste JSON to format, beautify, minify, and validate. Shows syntax errors with details so you can fix them fast.

Use Tool

.*

Regex Tester

Test regular expressions with real-time match highlighting and capture group extraction. Supports global, case-insensitive, and multiline flags.

Use Tool

🔑

UUID Generator

Generate cryptographically random UUID v4 identifiers. Single or bulk generate 10 at a time with one-click copy.

Use Tool

☰

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text. Supports UTF-8 characters with one-click swap and copy.

Use Tool

#

SHA-256 Hash Generator

Generate SHA-256 cryptographic hashes from any text using the Web Crypto API. Used for checksums, security, and blockchain.

Use Tool

⏰

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates. See the current Unix timestamp updating live every second.

Use Tool

M↓

Markdown Previewer

Live split-pane Markdown editor. Type on the left, see rendered HTML on the right. Supports headers, bold, italic, code, links, and lists.

Use Tool

</>

SEO Meta Tag Generator

Generate title tags, meta descriptions, Open Graph tags, and Twitter cards. Preview how your page appears in Google search results.

Use Tool

♫

BPM Detector

Tap along to any song to calculate its BPM. Tracks time between taps and computes a rolling average for accurate tempo detection.

Use Tool

📷

Video Bitrate Calculator

Calculate recommended bitrate and estimated file size for any video. Input resolution, frame rate, and duration to get optimal encoding settings.

Use Tool

▢

Aspect Ratio Calculator

Enter a width and instantly see the correct height for 16:9, 4:3, 1:1, 9:16, and other common aspect ratios. Essential for video exports.

Use Tool

■

CSS Gradient Generator

Pick two colors, set the angle, and preview your gradient live. Copy the CSS with one click. Includes 12 preset gradient palettes.

Use Tool

🎨

HEX to RGB Color Converter

Convert between HEX, RGB, and HSL color formats with live preview. Copy CSS-ready values for your projects.

Use Tool

Aa

Word & Character Counter

Count words, characters, sentences, paragraphs, and estimate reading time. Updates in real-time as you type or paste text.

Use Tool

🔒

Password Generator

Generate cryptographically secure passwords with customizable length, character sets, and complexity requirements. Uses browser's crypto API.

Use Tool