Free Online Tools
A lightweight toolkit hub: PDF tools, image compression, developer utilities, and QR code tools — all running locally in your browser.
Client-side • Privacy-friendly
中文
PDF Tools
Merge • Split • Rotate
Merge, split, rotate and manage PDF files directly in your browser. No uploads, privacy-first.
Local processing • No upload
Open
Image Compressor
Web • E-commerce • Social
Compress images locally for websites, e-commerce and social media. Fast, clean and privacy-friendly.
Client-side compression
Open
Developer Tools
Base64 • JSON • JWT • Hash
Everyday developer utilities including Base64, JSON formatter, JWT decode, hashes and timestamps.
Simple daily helpers
Open
QR Tools
Wi-Fi • vCard • Batch • Decode
Generate and decode QR codes for text, URLs, Wi-Fi and contacts. Batch export supported.
Private • No uploads
Open