10 tools

Developer & Utility

Developer helpers and everyday utilities for QR codes, text, passwords, data formats, IDs, timestamps and unit conversions.

Generate downloadable QR codes for links, text, Wi-Fi details or contact information.

Count words, characters, sentences and estimated reading time.

Count characters with and without spaces for social, forms and writing limits.

Generate strong random passwords with adjustable length and character types.

Format, minify and validate JSON with readable error feedback.

Encode text to Base64 or decode Base64 back to text.

Convert Unix timestamps to human-readable dates and back.

Generate one or many RFC 4122 version 4 UUIDs locally.

Convert common length, weight and temperature measurements.

Convert miles to kilometers or kilometers to miles instantly.