Latest Version:
1.0.4 Updated:
3 months ago
Ready to install?
Quest PDF is available to install from Firefox Add-ons Store and for download from this page.
1,708
Daily users
17 ratings
0
Total downloads
Available versions
You can find the current and older versions of Quest PDF here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 1.0.4 | XPI · ZIP · Source code | 75.95KB | 0 | 2026-04-26 |
| 1.0.3 | XPI · ZIP · Source code | 69.86KB | 0 | 2025-09-02 |
| 1.0.2 | XPI · ZIP · Source code | 75.44KB | 0 | 2024-11-13 |
| 1.0.1 | Paid users only | 69.10KB | 0 | 2024-10-28 |
1.0.4 75.95KB
1.0.3 69.86KB
1.0.2 75.44KB
1.0.1 69.10KB
Paid users only
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Quest PDF ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Quest PDF ZIP file from step 1. Quest PDF is now installed on your browser.
Best Quest PDF Alternatives
Here are some Firefox add-ons that are similar to Quest PDF:
PDF Search Helper
System1
PDFChampions
JackBolder
PDF2DOCS
PDF2DOCS
BookSeeker
To Go Networks LTD
View PDF
View PDF
InstaPDFPro
Diversify Media, Inc.
PDFify Pro & Search
PDFify Pro
Quick Searches
Quick Searches
Search For Speed
Searchologic
Converter Suite & Custom Web Search
ConverterSuite
PDF Clipper
PdfClipper
Prime-Search Default Search
Prime-Search