Offline document and calculator apps for Android

What you can do

Highlights from the apps’ own Google Play listings.

• Doc Viewer

  📄 pdf reader and viewer

  • Smooth zoom, thumbnails, table of contents and bookmarks
  • Search inside any PDF, jump to a page, remembers where you stopped
  • Night mode, horizontal or vertical scrolling and a reading mode that reflows text for small screens

• Doc Convert

  🔄 convert anything

  • Image to PDF: JPG, PNG, WEBP, HEIC, BMP. Drag to reorder pages, pick A4, Letter, Legal or fit-to-image, set margins and quality
  • PDF to Image: every page as JPG or PNG in standard, high or ultra resolution
  • Image Converter: JPG, PNG, WEBP and BMP with quality and size controls

• Converter Pro

  ⚡ quick convert

  • Type a conversion in the search bar and see the result as you type
  • Understands mixed values like 5 ft 3 in, 2 lb 4 oz or 1 h 30 min
  • Shows the same amount in other common units at the same time

• Doc Viewer

  ✨ smart tools with on-device ai

  • Summary of long documents
  • Ask your document: type a question and get the most relevant passages
  • Keywords, emails, phone numbers, links, dates and amounts you can tap

• Doc Convert

  📄 pdf tools

  • Merge several PDFs into one
  • Split by ranges or into single pages
  • Rotate, remove or reorder pages

• Converter Pro

  💱 currency converter

  • 160+ currencies with flags, converted all at once
  • Pin the currencies you use, pick any base currency
  • Rates are saved on your phone, so it keeps working offline while you travel

Proof from real work

Case studyCalculator ProComprehensive all-in-one calculator suite for professionals and daily use.Case studyConverter ProAll-in-one converter for length, area and more. Fast, simple, and easy to use.