Further improve the functions of the PDF toolbox, realize PDF merging, inserting, intercepting, sorting, compression, encryption, decryption, transferring pictures, signing, commenting, scanning, adding photos, adding page numbers and other functions. New features are constantly being developed and improved, and all functions are free to use without registration.

Peculiarity:
1. Multi-file merge (the number of files is unlimited), and the number of merged pages is unlimited
2. Support file PDF document insertion into another PDF document
3. Support merge file renaming and encryption
4. Pdf file arbitrary page number interception, specify the number of pages intercepted
5. Manual reordering of PDF files
6. Free to use full function
7. PDF to picture
8. Perfect file import function: external app sharing, directly from the folder to add, from the album to add photos to generate PDFs, scan files to generate PDFs
9. Compression of PDF three levels
10. Enter the password to unencrypt the PDF password and generate a non-encrypted file
11. Add signature to PDF
12. Add highlight annotations to PDF
13. Add page numbers to PDFs
14. ProRAW to HEIF