Free Online Watermark Adder
为您的照片添加文字或图片水印。
Frequently Asked Questions
Is the 添加水印 free to use?
Yes, the 添加水印 on Allio Tools is completely free with no sign-up or registration required. It works directly in your browser.
How does the 添加水印 work?
为您的照片添加文字或图片水印。 No data is sent to a server — everything runs locally in your browser for maximum privacy and speed.
Do I need to install anything to use the 添加水印?
No installation needed. The 添加水印 runs entirely in your web browser on any device — desktop, tablet, or mobile.
Is my data safe when using the 添加水印?
Completely safe. The 添加水印 processes everything locally in your browser. No input data, results, or usage information is ever transmitted to or stored on any server.
Does the 添加水印 work offline?
After the page loads for the first time, the 添加水印 works without an internet connection for all client-side processing. Tools that fetch live external data (such as DNS or WHOIS lookups) require an active connection.
What image formats does the 添加水印 support?
The 添加水印 works with common image formats supported by your browser, including JPEG, PNG, WebP, and GIF. SVG support varies by tool. No format conversion plugin or driver is needed.