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.
Image Format Converter
Convert between PNG, JPG, WebP, SVG, BMP, ICO instantly in your browser.
Nén Ảnh Không Giảm Chất Lượng
Giảm 60-90% dung lượng ảnh JPG, PNG, WebP mà vẫn giữ nguyên độ sắc nét.
Resize Ảnh Hàng Loạt
Đổi kích thước hàng chục ảnh cùng lúc theo pixel hoặc tỉ lệ %, xuất file ZIP.
AI Background Remover & Replacer
Tự động tách nền trong suốt (.PNG), đổi phông ảnh thẻ trắng/xanh, làm mờ bokeh hoặc ghép ảnh nền mới bằng AI trong 1 giây.
Multi-Platform Video Downloader (TikTok, YouTube, Facebook)
Tải video TikTok không logo, video & Shorts YouTube Full HD, video & Reels Facebook và tách nhạc MP3 miễn phí siêu tốc.
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.