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About

MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for. FEATURES OVERVIEW: PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading. Create and Edit PDFs: Modify text and images or start with a blank PDF. Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files. Leverage OCR: Transform scanned documents into searchable PDFs. Organize PDFs: Combine, split, reorder, and compress documents. Markup and Comment: Highlight, annotate, and add bookmarks or stamps. Fill PDFs: Seamlessly fill forms or create ones from scratch. Sign PDFs: Sign your documents anywhere—no ink required! Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption. Offline Mode: Full functionality without internet access. Translate PDFs

About

Most PDF trackers just count opens — and many of those "opens" are bots and email scanners that never read a word. PDFTrackr filters them out and shows exactly what it removed, so every number is a real reader. Then it does the analysis for you — this is where Signals come in. Instead of a spreadsheet to decode, you get answers: who came back for a second look, who's genuinely engaged, and who's worth a follow-up. A per-recipient verdict tells you whether each individual actually read it, and real-time alerts with emailed Reading Reports land the full reading story in your inbox the moment they open. Signals turn raw reads into a shortlist of people to call. Free forever: full page-by-page analytics, 12-month history, unlimited view history, and a virus scan on every upload — no credit card. Pro ($9/mo or $84/yr) adds Signals, real-time alerts, verdicts, CSV export, bulk links, folders, versioning, and watermarking.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Anyone who needs reliable PDF editing, SMBs

Audience

Freelancers, consultants, small business owners, sales professionals, marketing teams, educators, and any professionals who share PDFs and need to understand engagement. Perfect for proposal tracking, contract monitoring, portfolio sharing, and document analytics without enterprise complexity or pricing

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$49.99
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 4.8 / 5
ease 4.8 / 5
features 4.6 / 5
design 4.9 / 5
support 4.8 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

MobiSystems
Founded: 2001
United States
mobisystems.com/mobipdf

Company Information

PDFTrackr
Founded: 2025
Poland
pdftrackr.com

Alternatives

Alternatives

PDF Studio

PDF Studio

Apryse
UPDF

UPDF

Superace Software Technology Co., Ltd.
SwifDoo PDF

SwifDoo PDF

SwifDoo Software
SODA PDF

SODA PDF

Avanquest

Categories

Categories

PDF

PDF Features

Annotations
Convert to PDF
Digital Signature
Encryption
Merge / Append
PDF Reader
Watermarking

PDF Editors Features

Access Controls / Permissions
Annotations
Commenting / Notes
Compare Side-by-Side
Customizable Branding
Delete Pages
Electronic Signature
Forms Management
Full Text Search
Merge / Append
Offline Access
Optical Character Recognition (OCR)
Rearrange Pages
Rotate Pages
Watermarking

PDF Features

Annotations
Convert to PDF
Digital Signature
Encryption
Merge / Append
PDF Reader
Watermarking

Integrations

Box
Dropbox
Google Drive
Microsoft OneDrive
MyWorkDrive
Yandex Disk

Integrations

Box
Dropbox
Google Drive
Microsoft OneDrive
MyWorkDrive
Yandex Disk
Claim PDFTrackr and update features and information
Claim PDFTrackr and update features and information