Smart way to secure
your file privacy

The 7788 Toolset aims to provide small tools to enhance efficiency, striving to complete functions locally whenever possible, avoiding server uploads to ensure users don't need to worry about file privacy and security.

Yes, the current basic functions of PDF merging and extraction are available for free use. However, some tools or advanced features may require a paid subscription in the future.

Fully localized processing means the merging process is completed on the user's computer without uploading files to a server for processing and then retrieving them. This means that as long as the page is open, merging can be completed even without an internet connection. Files are not uploaded to the internet, so users don't need to worry about security issues.

Currently, it is only adapted to the Chinese invoice format (merging 2 invoices into one A4-sized format). If you have merging needs for other formats, feel free to reach out to us via email at: support@7788.tools.

Theoretically, yes, but the merged format might not look aesthetically pleasing. If you have merging needs for other types of files, feel free to reach out to us via email at: support@7788.tools.

Yes, we will add tools based on demand. If you have good suggestions or needs, feel free to reach out to us via email at: support@7788.tools.

Feel free to contact us via email at: support@7788.tools, and we will get back to you as soon as possible.