05-15-2021 , 02:15 PM
Some open source command-line tools such as PDFTK and Ghostscript both have PDF repair functions, but PDFTK can only repair PDF information problems, while Ghostscript can only regenerate XREF tables. Once users need to repair a really damaged PDF file, they will find that neither PDFTK nor Ghostscript can recover the file data, and they will keep prompting reading errors.
Unlike these two tools, PDF Fixer analyzes the data that still exists in the entire damaged PDF file, then assembles all the object data and repairs it. PDF Fixer can repair many PDF files that cannot be repaired by PDFTK and Ghostscript.
It also has a portable version.
It is a new freeware tool PDF Fixer - https://pdffixer.com
OS: Windows XP / Vista / Windows 7 / Windows 8 / Windows 10 (32/64 bit) and Servers
PDF Fixer Features & Highlights
Fix unreadable and corrupt PDFs
Fix PDF XREF tables
Export recovered data to PDF files
Auto preview the fixed PDF content
Automatically detecting bad PDF documents
Batch repair multiple damaged PDF files at once
No required Adobe Acrobat installed
Portable version available
Download:
Portable: https://pdffixer.com/down/pdffixer.zip
Exe: https://pdffixer.com/down/pdffixer.exe
Repair Corrupt PDF data, Fix and Recover Corrupt PDFs Back!
PDF is a very common document format in our daily work. It is a binary coding format generated by virtual printing of various files. Since most of PDF data is compressed, editing PDF files with a text editor will cause file corruption or data offset, or lose part of the data due to network instability during network transfer, which will cause PDF files to be damaged and corrupt. PDF reader programs cannot open or repair those corrupt PDF files and would prompt a few error alerts.
How PDF Fixer work?
PDF Fixer is a free PDF repair utility which repairs corrupt PDF files by restructuring the damaged PDF data, rebuilding XREF tables and then restore these damaged PDF documents into readable PDF files.