Aquaforest Ltd have released a FREE Audit tool, Aquaforest Searchlight Lite.
Aquaforest Searchlight Lite can be installed on any Windows machine with network access to the SharePoint / O365 sites or file systems – it doesn’t need to be installed on a SharePoint server.
Aquaforest Searchlight Lite will crawl you documents and identify :
• Image Only PDF files.
• PDF files with errors.
• Partially Searchable PDF files.
• Image documents that could be converted to Searchable PDF.
Run a Searchability Audit on your Documents NOW – for FREE
https://www.aquaforest.com/en/searchlightlitedownload.asp
Once you have completed your audit consider using our full Aquaforest Searchlight product to automatically convert files to Searchable PDF where appropriate.