Online Productivity Tools
Ultra Fast, Private & 100% Free
All tasks run directly inside your browser (Client-Side). Files never leave your device, no account registration required, 100% automated.
Tính Thuế TNCN Chuẩn Mới
Tính thuế thu nhập cá nhân Gross <-> Net, giảm trừ gia cảnh, chi tiết 7 bậc thuế.
Tính Lãi Kép & Tích Lũy Đầu Tư
Mô phỏng sức mạnh lãi kép, tích lũy tiền gửi định kỳ với biểu đồ tăng trưởng.
Why ZiiTool Delivers Peak Performance?
Modern architecture combining user hardware power with lightweight Laravel infrastructure.
100% Privacy Protection
Images, JSON data, and queries are computed locally in your browser memory via HTML5 Canvas and Web Crypto. No server storage.
Instant Speed, Zero Latency
No time wasted uploading to the cloud and waiting. Compression, encoding, or code formatting completes in a flash.
Zero Running Cost
Zero server CPU/RAM usage for heavy workloads. Scales effortlessly to millions of users without server costs.
Frequently Asked Questions (FAQ)
Are the tools on ZiiTool completely free?
Yes! All tools on the platform are 100% free with unlimited usage, requiring no account creation or any payments.
How do I integrate the API into my software?
Visit the Tài Liệu REST API page to view sample code in cURL, JavaScript, and PHP to call endpoints for tax, compound interest, hashing, and QR generation.