handy-tools-hub
A collection of handy tools — all functionality runs entirely in your browser, so your data stays local and secure.
Tools
Password Generator
Secure random password generator. Specify length and count.
QR Code Generator
Convert URLs or text to QR codes per page.
JSON Format / Validate
Paste JSON to format and check for errors.
Color Picker
Pick or input HEX colors, see RGB/HSL and contrast info.
Unit Converter
Convert length, weight, and temperature (includes imperial and shakkanho).
Date / UNIX
Convert UNIX seconds and ISO timestamps; display in time zones.
Base64 encode / decode
Encode text to Base64 or decode Base64 strings.
Hash generator
Generate SHA-256 and MD5 hashes of input text.
Character Counter
Real-time character, byte, line, and word count for any text.
Image Compress & Convert
Compress, resize, and convert images to WebP in your browser. Nothing is sent to a server.
PDF Merge & Split
Merge multiple PDFs or split by page range — all in your browser.