Free Developer Tools

📱

QR Code Generator

Generate QR codes from URLs, text, email, phone, Wi-Fi. Download as PNG.

Generator

🔐

Password Generator

Generate strong, secure passwords. Custom character sets, exclusions, passphrase mode.

Security

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JSON Formatter

Format, validate and minify JSON with syntax highlighting. Real-time conversion.

JSON

🔤

Base64 Encoder / Decoder

Encode and decode Base64 in real-time. Full UTF-8 support.

Encoding

🔗

URL Encoder / Decoder

Percent-encode and decode URLs. encodeURIComponent and encodeURI modes.

Encoding

🕐

Unix Timestamp Converter

Convert between Unix timestamps and dates. Timezone support with live clock.

Date/Time

🆔

UUID Generator

Generate UUID v4 (random) and v7 (time-ordered). Bulk generation up to 100.

Generator

#️⃣

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-512 hashes in real-time.

Crypto

🔓

JWT Decoder

Decode JWT header and payload. Check token expiration status.

Auth

🔄

YAML ↔ JSON

Convert between YAML and JSON instantly. Real-time conversion.

Converter

📋

JSON Sample Data

Copy-paste JSON examples. Stripe, GitHub, Shopify API responses and more.

JSON