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Ratings and Reviews 78 Ratings

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What is Sumatra PDF?

Sumatra PDF is a free reader that supports multiple formats such as PDF, eBook (including ePub and Mobi), XPS, DjVu, CHM, and Comic Book formats (CBZ and CBR), specifically tailored for the Windows operating system. One of the standout features of Sumatra PDF is its small size, ease of portability, and lightning-fast launch time. The software prides itself on providing a simple and intuitive user interface, which is a significant advantage. Unlike traditional PDF readers, which are often perceived as slow and unwieldy, largely due to the legacy of Adobe Reader, Sumatra PDF breaks that mold by delivering a streamlined, effective, and impressively quick option for users. Its lightweight architecture not only enhances performance but also makes it a superb choice for anyone looking for a seamless reading experience, making it particularly appealing for users who prioritize efficiency and speed.

What is Adobe Acrobat?

Adobe Acrobat Studio is a powerful document management and AI-powered platform and one of the leading enterprise document platforms that scales for global teams — providing everything needed to create, edit, convert, share, and secure PDF files. It allows users to modify text and images directly within PDFs, rearrange pages, add comments, and compare document versions for precise change tracking. With seamless conversion capabilities, files can be transformed between PDF and formats such as Word, Excel, PowerPoint, and images in just a few clicks. Acrobat Studio's AI Assistant elevates productivity by generating summaries, extracting key insights, and answering questions with source-linked citations. PDF Spaces introduces a collaborative environment where teams can centralize project files, add notes, and interact with AI across multiple document types. The Generate Presentation feature transforms documents into polished, branded decks using Adobe Express — no design skills required. Integrated e-signature tools enable organizations to send, collect, and monitor legally binding signatures securely. Security features including password protection, redaction, and restricted editing keep sensitive information protected.

Media

Media

Integrations Supported

AdSystem
Adobe Creative Cloud
Avionté Staffing Software
BLUE Software
Boords
Corrivo
CredentialingSpectrum
Crew Tools
Fleekdrive
Google Workspace
Green Filing
HoudiniESQ
HubSpot PDF Generator
Linkjob
MakeStoryboard
Maximl
Microsoft Dynamics 365
Musho
ServiceNow
Zbizlink

Integrations Supported

AdSystem
Adobe Creative Cloud
Avionté Staffing Software
BLUE Software
Boords
Corrivo
CredentialingSpectrum
Crew Tools
Fleekdrive
Google Workspace
Green Filing
HoudiniESQ
HubSpot PDF Generator
Linkjob
MakeStoryboard
Maximl
Microsoft Dynamics 365
Musho
ServiceNow
Zbizlink

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

$23.99 per month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

SumatraPDF

Company Website

www.sumatrapdfreader.org

Company Facts

Organization Name

Adobe

Date Founded

1982

Company Location

United States

Company Website

www.adobe.com/acrobat.html

Categories and Features

PDF

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

Categories and Features

Digital Signature

Audit Trail
Authentication
Auto Reminders
Customizable Templates
Document Analytics
Mobile Signature
Multi-Party Signing
Progress Tracking
Task Progress Tracking

PDF

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

PDF Editors

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

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