Monstera PDF Editor

Monstera PDF Editor

Tenslor Inc.
Apple Preview Monstera PDF Editor

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Apple Preview:

About

Fill out and sign forms right on your Mac. You don’t need to print PDF forms. Just use the Markup tools to fill in the form and even add a signature. If a PDF contains sensitive information, you can keep it secure by adding a password. Easily combine PDF documents and transfer pages from one PDF to another. Preview supports a large set of image file types, including JPEG, PNG, PSD, and TIFF. When you receive a photo that you can’t open in your photo editing app, you may be able to convert it to a file type you can use.
Monstera PDF Editor:

About

Monstera PDF Editor is a free, open-source desktop application for Windows 10 and 11, with more than 150 tools for editing, converting, organizing, and securing PDF documents without subscriptions, accounts, or watermarks. Users can edit PDF text and objects, merge and split files, manage pages, create and fill forms, add signatures and annotations, compare documents, and permanently redact sensitive information. OCR in 14 languages makes scanned PDFs searchable. The built-in AI assistant supports 10 providers and can summarize, analyze, and answer questions about documents using the user's own provider credentials. Standard PDF operations run locally, and Windows AppContainer isolation helps protect the system while documents are processed. Distributed through the Microsoft Store, Monstera is licensed under GNU AGPL-3.0, and its source code is publicly available on GitHub.
Apple Preview:

Platforms Supported

Windows Not Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Monstera PDF Editor:

Platforms Supported

Windows Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Apple Preview:

Audience

Mac users that need a PDF viewer and signature solution
Monstera PDF Editor:

Audience

Monstera PDF Editor is designed for individuals, students, educators, freelancers, small businesses, enterprises, legal professionals, administrative teams, researchers, and organizations that regularly work with PDF documents. It is particularly suitable for Windows users seeking professional document editing capabilities, privacy-focused local processing, and an open-source alternative to subscription-based PDF software.
Apple Preview:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported
Monstera PDF Editor:

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported
Apple Preview:

API

Offers API Not Supported
Monstera PDF Editor:

API

Offers API Not Supported
Apple Preview:

Screenshots and Videos

Monstera PDF Editor:

Screenshots and Videos

No images available
Apple Preview:

Pricing

Free
Free Version Supported
Free Trial Not Supported
Monstera PDF Editor:

Pricing

$0
Free at $0 with no subscription or account required; the optional AI assistant requires third-party provider credentials and may incur separate provider charges.
Free Version Supported
Free Trial Not Supported
Apple Preview:

Reviews/Ratings

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

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Monstera PDF Editor:

Reviews/Ratings

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

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Apple Preview:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Monstera PDF Editor:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Apple Preview:

Company Information

Apple
Founded: 1976
United States
apple.com
Monstera PDF Editor:

Company Information

Tenslor Inc.
Founded: 2026
United States
monsterapdf.com
Apple Preview:

Alternatives

Monstera PDF Editor:

Alternatives

No Alternatives
Apple Preview:
Adobe Acrobat

Adobe Acrobat

Adobe
4.5 out of 5 stars
Apple Preview:
PDF-XChange

PDF-XChange

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4.9 out of 5 stars
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FreePDF

FreePDF

SoftMaker
Apple Preview:
UPDF

UPDF

Superace Software Technology Co., Ltd.
4.0 out of 5 stars
Monstera PDF Editor:
Apple Preview:

Categories

3D Viewers Supported
PDF Supported
PDF Converters Supported
PDF Editors Supported
PDF Printers Supported
PDF Readers Supported
Monstera PDF Editor:

Categories

PDF Editors Supported
Apple Preview:

Integrations

Claude Not Supported
DeepSeek Not Supported
Gemini Not Supported
OpenAI Not Supported
Monstera PDF Editor:

Integrations

Claude Supported
DeepSeek Supported
Gemini Supported
OpenAI Supported
Apple Preview:
Claim Apple Preview and update features and information
Claim Apple Preview and update features and information
Monstera PDF Editor:
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