PDFfiller vs. Adobe Acrobat

by Andria Pacina
PDFfiller vs. Adobe Acrobat

The main difference between PDFfiller and Adobe Acrobat is the level of functionality and complexity they offer in handling PDFs. PDFfiller is a web-based platform that simplifies basic PDF management tasks. Meanwhile, Adobe Acrobat provides a wide array of advanced features.

Comparing PDFfiller vs. Adobe Acrobat


Text Editing

HIPAA Compliance

File Size Limitation

Signature Integration



Basic text editing, suitable for simple changes

Yes and offers tools  such as authentication, encryption, and a Business Associate Agreement (BAA)

300 MB file size limit


$6 per month

Adobe Acrobat

Advanced text editing, suitable for complex alterations


100 MB file size limit


$14.99 per month


Text Editing

PDFfiller focuses on basic text editing, allowing users to perform simple changes, like adding, deleting, or modifying text within a PDF. This suits tasks involving minor textual adjustments, like fixing typos or updating small sections of text.

Adobe Acrobat offers a more advanced and comprehensive set of text editing tools. This includes tools for complex manipulations, extensive formatting changes, font adjustments, and precise text repositioning.

Merge & Split PDF Documents

PDFfiller handles fundamental PDF merging and splitting tasks, offering a user-friendly interface for effortless document organization. Conversely, Adobe Acrobat provides advanced merging and splitting features, allowing extensive customization with precise merging and page range or bookmark-based splitting.

Annotation Tools

PDFfiller offers fundamental annotation tools such as text highlights, sticky notes, and drawing features, perfect for basic markup and comments. It’s a practical choice for students and individuals needing straightforward annotations.

Adobe Acrobat provides a wide array of advanced annotation tools, including text, shapes, stamps, and advanced commenting options. It excels in collaborative features for complex annotation and group document review, making it the preferred choice for more intricate annotation needs.

File Size & Limitations

PDFfiller’s file size limits depend on the selected plan, with a maximum of 300 MB. Free users have stricter limits, while paid users enjoy increased storage capacity. Meanwhile, Adobe Acrobat, particularly the desktop version, handles much larger PDF files with a limit of 100 MB. It doesn’t enforce stringent size restrictions, allowing easy manipulation and editing of extensive documents.

PDFfiller vs. Adobe Acrobat

Signature Integration

PDFfiller seamlessly incorporates electronic signatures into PDF documents, offering a user-friendly experience that excels at fulfilling basic electronic signing requirements. Adobe Acrobat takes signature capabilities to a more advanced level. It boasts impressive features like digital signatures and advanced authentication methods.

Adobe Acrobat is the preferred choice, especially for individuals dealing with intricate legal and business documents that demand advanced signature functionality.


PDFfiller typically utilizes a subscription-based pricing approach, featuring a range of plans tailored to users’ specific requirements. It stands out for its affordability, commencing with plans starting at just $6 per month. While occasional free trial periods or basic access options are available, they may come with limitations.

Adobe Acrobat follows a tiered subscription pricing system. Their plans start at $14.99 per month and encompass both Acrobat Standard and Acrobat Pro, with the added perk of free trial options. It’s important to mention that Adobe Acrobat can lean towards the expensive side, especially when selecting the Pro version, which boasts advanced features.


PDFfiller provides the capability to add custom text or image watermarks, enhancing document security and brand presence within a PDF. This feature is particularly useful for asserting ownership or confidentiality.

Adobe Acrobat delivers an expansive range of watermarking tools. This enables not just the addition of text and image overlays but also detailed control. This includes positioning, opacity, and rotation, catering to more sophisticated branding and security needs.

Template Library

PDFfiller boasts a vast collection of templates, spanning various categories such as legal, tax, and business documents. This extensive library facilitates quick and easy form filling and document creation.

In contrast, Adobe Acrobat’s template library, offers a selection of templates, including professional forms, letters, and resumes. It provides users with essential starting points for document design.


PDFfiller presents redaction capabilities, enabling users to securely obscure sensitive information in their PDF documents. This is crucial for maintaining privacy and confidentiality.

Similarly, Adobe Acrobat includes advanced redaction features. This includes not only allowing the permanent deletion of sensitive text and images. They also offer meticulous redaction with options to sanitize documents to remove hidden information.

PDFfiller vs. Adobe Acrobat

Fill: The Best Alternative to PDFfiller

Fill stands out as a robust PDF editor, surpassing PDFfiller and Adobe Acrobat. Its user-friendly interface simplifies PDF navigation and editing, making it more approachable for beginners than the complex Adobe Acrobat.

Furthermore, Fill often provides cloud-based accessibility, allowing document access and editing from any internet-enabled device. This is a stark contrast to Adobe Acrobat’s desktop-centered approach. For students collaborating on group projects, Fill supports real-time collaboration, streamlining collective efforts.

Speed and efficiency are among Fill’s hallmarks. Its capacity for quick document editing and processing is invaluable, particularly for those facing tight project deadlines.

In essence, Fill’s appeal lies in its simplicity, accessibility, collaborative capabilities, and swift performance. While Adobe Acrobat and PDFfiller have their merits, Fill’s user-friendliness and affordability make it a standout choice for students.

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