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Related Products
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BoostPDF:
About
BoostPDF is a browser-based PDF editor with more than 30 tools. Change the existing text in a PDF, add text, images, drawings, highlights and stamps, sign, fill in forms, and merge, split, rotate, reorder or crop pages. Compress to a target size, convert between PDF, Word, JPG and PNG, run OCR in 19 languages, and permanently redact sensitive text. AI tools summarize, translate, quiz and chat with a PDF.
Signing, annotation, form filling, redaction and page tools run in the browser. Compression, conversion, OCR and password protection run on BoostPDF's servers, which delete uploads right after processing. AI tools send the document text to an AI provider.
Works in desktop and mobile browsers, plus an Android app with a document scanner. Free with daily limits and files up to 10 MB; Pro is US$6.49 a month or US$62.30 a year, with no daily limits (OCR and AI tools keep fair-use caps) and files up to 100 MB.
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PDF4:
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.
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BoostPDF:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Supported
Chromebook
Not Supported
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PDF4:
Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Not Supported
Android
Supported
Chromebook
Not Supported
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BoostPDF:
Audience
Students, office and admin staff, freelancers and small businesses who edit, sign, combine or shrink PDFs and want to do it in a browser or on Android without installing desktop software.
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PDF4:
Audience
Mobile professionals and administrative workers who need a comprehensive, on‑device PDF solution for scanning, editing, converting, and automating document workflows
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BoostPDF:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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PDF4:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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BoostPDF:
API
Offers API
Not Supported
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PDF4:
API
Offers API
Not Supported
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BoostPDF:
Screenshots and Videos |
PDF4:
Screenshots and Videos |
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BoostPDF:
Pricing
$6.49/month
Free: daily limits per tool, files up to 10 MB. Pro: US$6.49 per month or US$62.30 per year; no daily limits (OCR and AI tools keep fair-use caps), files up to 100 MB.
Free Version
Supported
Free Trial
Not Supported
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PDF4:
Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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BoostPDF:
Reviews/
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PDF4:
Reviews/
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BoostPDF:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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PDF4:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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BoostPDF:
Company InformationBoostPDF
Founded: 2025
New Zealand
boostpdf.com
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PDF4:
Company InformationPDF4
United States
www.pdf4.com
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BoostPDF:
Alternatives |
PDF4:
Alternatives |
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PDF4:
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PDF4:
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BoostPDF:
Categories |
PDF4:
Categories |
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BoostPDF:
PDF Features
Annotations
Supported
Convert to PDF
Supported
Digital Signature
Not Supported
Encryption
Supported
Merge / Append
Supported
PDF Reader
Supported
Watermarking
Supported
PDF Editors Features
Access Controls / Permissions
Not Supported
Annotations
Supported
Commenting / Notes
Supported
Compare Side-by-Side
Not Supported
Customizable Branding
Not Supported
Delete Pages
Supported
Electronic Signature
Supported
Forms Management
Supported
Full Text Search
Not Supported
Merge / Append
Supported
Offline Access
Not Supported
Optical Character Recognition (OCR)
Supported
Rearrange Pages
Supported
Rotate Pages
Supported
Watermarking
Supported
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BoostPDF:
Integrations
Microsoft 365
Not Supported
Microsoft Excel
Not Supported
Microsoft Outlook
Not Supported
Microsoft Power Automate
Not Supported
Microsoft PowerPoint
Not Supported
Microsoft Teams
Not Supported
Microsoft Word
Not Supported
Zapier
Not Supported
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PDF4:
Integrations
Microsoft 365
Supported
Microsoft Excel
Supported
Microsoft Outlook
Supported
Microsoft Power Automate
Supported
Microsoft PowerPoint
Supported
Microsoft Teams
Supported
Microsoft Word
Supported
Zapier
Supported
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BoostPDF:
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PDF4:
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