UPDF
UPDF is a Mac PDF editor from Superace for reading, annotating, editing, converting, and signing PDF documents in everyday work.
What is UPDF?
UPDF is a native PDF productivity app for Mac that helps people read, edit, annotate, convert, and sign PDF files in one workspace. It is designed for students, office users, freelancers, and teams that handle forms, contracts, reports, study materials, and other document-heavy tasks. Common uses include making quick text edits, marking up documents for review, filling forms, organizing pages, and exporting PDFs into other formats. UPDF also offers cloud syncing across supported devices and AI-assisted document tools for users who want help summarizing or working with document content. On Mac, it fits best as an everyday document utility for people who want broader editing tools than a basic PDF viewer.
Key features
- Edit text, images, and links inside PDF documents
- Annotate PDFs with highlights, notes, shapes, stamps, and signatures
- Fill and sign forms for common paperwork workflows
- Organize pages by rearranging, rotating, inserting, extracting, or deleting pages
- Convert PDFs to other file formats for reuse and sharing
- Sync documents across supported devices with UPDF Cloud
- Use AI tools to chat with, summarize, and work with document content
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
UPDF is legitimate document software for working with PDF files. Access to your documents, local storage, and cloud features is consistent with its purpose, and some features may send document content to online services when you use syncing or AI-assisted tools. That is a normal tradeoff for this kind of app, but it is wise to avoid uploading sensitive files unless you are comfortable with the service settings and sharing behavior.
Recommendation: Keep UPDF if you use it to read, edit, sign, or convert PDFs on your Mac. If you no longer use it, you can remove it like other apps, but expect any local app settings, cached files, and unsynced in-app data to stop being available afterward.
Common paths
/Applications/UPDF.app
Cache paths
~/Library/Caches/com.superace.updf.mac
Support paths
~/Library/Application Support/com.superace.updf.mac
Preference paths
~/Library/Preferences/com.superace.updf.mac.plist
Container paths
~/Library/Containers/com.superace.updf.mac
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