PDF essentials.
Even without internet.
Save merge, extract, rotate and image-to-PDF tools on this device. Your documents stay in memory and are never saved in the offline cache.
Keep your essentials close
Saving downloads about 1.8 MB of app files. Only these four tools are available offline. Office conversion, OCR and AI need separate services or downloads.
Offline availability has not been checked.
On iPhone/iPad, use Share → Add to Home Screen after saving. Browser storage can be cleared or evicted; verify availability before you travel.