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About

PDF4 is an all‑in‑one mobile PDF toolkit for scanning, editing, converting, and securing documents directly on your device. It combines robust editing features, like modifying text, images, and pages, merging and splitting files, reordering or rotating content, with powerful conversion tools to transform images or Office formats into PDFs and vice versa (e.g., PDF to Word, PowerPoint, or Excel). It supports OCR for searchable text extraction, password protection, annotations, and form filling. Users can compress files, crop pages, add metadata, watermarks, or barcodes, and leverage automation such as job‑flows for batch processing on a desktop. Extended integrations include browser extensions, Zapier/Power Automate connectors, and Microsoft Teams/Outlook add‑ins, enabling seamless PDF workflows across platforms.

About

PDFSign is a Windows desktop application for securely signing, editing, managing and processing PDF documents. It supports DSC-based digital signing, allowing users to sign individual or multiple PDF files in batch. AutoSign provides automated signing workflows through two modes: Batch Review and Watch Folder, enabling users to configure signing rules and automatically process incoming PDF documents. PDFSign also includes a comprehensive PDF Toolbox with tools to merge, split, reorder, extract, rotate, crop, compress and repair PDFs; edit text; add text and images; annotate, highlight and redact documents; add watermarks, headers/footers and page numbers; perform OCR; convert between PDF and common document/image formats; and fill forms.

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

Mobile professionals and administrative workers who need a comprehensive, on‑device PDF solution for scanning, editing, converting, and automating document workflows

Audience

Business Professionals, Small & Medium Businesses, Enterprises, Accountants, Consultants, Legal & Government Users, and Individual PDF Users.

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

No images available

Pricing

Free
Free Version
Free Trial

Pricing

$1.99/user/month
Free Version
Free Trial

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

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

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

PDF4
United States
www.pdf4.com

Company Information

PDFSign
Founded: 2017
India
www.pdfsign.in

Alternatives

Alternatives

SODA PDF

SODA PDF

Avanquest
PDFHaul

PDFHaul

Bultech
Speedpdf

Speedpdf

Beijing Spacewalk Technology

Categories

PDF

Categories

Integrations

Microsoft 365
Microsoft Excel
Microsoft Outlook
Microsoft Power Automate
Microsoft PowerPoint
Microsoft Teams
Microsoft Word
Zapier

Integrations

Microsoft 365
Microsoft Excel
Microsoft Outlook
Microsoft Power Automate
Microsoft PowerPoint
Microsoft Teams
Microsoft Word
Zapier
Claim PDF4 and update features and information
Claim PDF4 and update features and information
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