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pdfFiller vs ConvertAPI Comparison

Last updated:

pdfFiller

4.5(8,757 reviews)

Starting at $8 /Month

  • Free Trial
  • Large Enterprises
  • Medium Business

pdfFiller allows users to quickly and easily create PDF files on their Windows PC. Users can fill a PDF form with their own data, or upload an existing Microsoft Word template. Once filled, a PDF document can be saved fo…

ConvertAPI

4.7(22 reviews)

Starting at Contact for pricing

  • Individuals
  • Large Enterprises

ConvertAPI is an optimized platform designed to streamline file conversion in minutes. Our API supports conversions of Word, Excel, PowerPoint, HTML, PDF and Image formats with secure 256-bit SSL encryption and authentic…

ConvertAPI leads on user satisfaction with a 4.7-star rating across 22 reviews.

pdfFiller vs ConvertAPI — at a glance

FeaturepdfFillerConvertAPI
Rating4.5 / 54.7 / 5
Reviews8,75722
Starting price$8 /MonthContact for pricing
Free trial Yes No
Free version No No
Best forLarge Enterprises, Medium Business, Small BusinessIndividuals, Large Enterprises, Medium Business
CategoryDocument Creation SoftwareDocument Creation Software
PlatformsSaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - MacSaaS/Web/Cloud
APIAvailableAvailable
Support modes24/7 (Live rep)Online
CertificationsSOC 2, HIPAA, GDPRGDPR
Data residencyUSGlobal

Key differences between pdfFiller and ConvertAPI

  • Pricing: pdfFiller starts at $8 /Month. ConvertAPI pricing is not publicly listed.
  • Free trial: pdfFiller offers a free trial; ConvertAPI does not.
  • Target audience: pdfFiller is built for Large Enterprises and Medium Business, while ConvertAPI targets Individuals and Large Enterprises.
  • User satisfaction: ConvertAPI scores higher with a 4.7-star average.
  • Deployment: pdfFiller supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac; ConvertAPI supports SaaS/Web/Cloud.

pdfFiller vs ConvertAPI — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Document Creation Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

pdfFiller - Document Creation Software
Talk to an expert
Talk to an expert
ConvertAPI - Document Creation Software
Talk to an expert
Talk to an expert

Biggest differences

Start here before you go deeper into features.

pdfFiller

Best for simple, efficient PDF form creation and filling on Windows PCs.

Choose if
  • You need to quickly fill and save PDF forms repeatedly with saved data.
  • Your workflow requires easy integration of Microsoft Word templates into PDFs.
  • You want built-in emailing and WYSIWYG printing options within a streamlined app.
Consider alternatives if
  • Your team requires advanced document workflow automation or extensive collaboration features.
  • You need cross-platform or mobile support beyond Windows.

ConvertAPI

Best for developers needing secure, multi-format file conversion APIs.

Choose if
  • You require quick integration of file conversions into software workflows.
  • Your team values flexible pricing including a free tier for testing.
  • You handle sensitive documents needing 256-bit SSL encrypted transfers.
Consider alternatives if
  • You need comprehensive API documentation and extensive developer support.
  • Your projects demand guaranteed API stability without unexpected breaking changes.

pdfFiller: Best for simple, efficient PDF form creation and filling on Windows PCs. ConvertAPI: Best for developers needing secure, multi-format file conversion APIs.

Description

pdfFiller allows users to quickly and easily create PDF files on their Windows PC. Users can fill a PDF form with their own data, or upload an existing Microsoft Word template. Once filled, ... Read More about pdfFiller

ConvertAPI is an optimized platform designed to streamline file conversion in minutes. Our API supports conversions of Word, Excel, PowerPoint, HTML, PDF and Image formats with secure ... Read More about ConvertAPI

Entry Level Pricing

  • Starts from $8 , Billed Yearly
  • Not Available

Free Trial Availability

  • No free trial

User Ratings

Based on verified Spotsaas reviews

4.7

(22)

Best Company Size

1-50 employees51-500 employees
Small BusinessMedium Business
Get pricing help
Get pricing help

Software Demo

Demo

No software demo available

ConvertAPI has not given any software demo yet

If you're the owner of this profile, add your demo.Contact us

Need a second opinion?

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Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

Compare pdfFiller and ConvertAPI on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • $8 , Billed Yearly
      • Not Available

      Pricing Plans

      • Basic

        • One User

        • Edit, fill, draw, print, save, or fax

        • Convert PDFs to editable word documents

        Show more +

      • Premium

        • Up to 5 users

        • Send documents out to be signed using SignNow

        • USLegal Forms Library

        Show more +

      • airSlate Business Cloud

        • Minimum 10 Users

        • The most powerful PDF editor

        • Business process automation

        Show more +

      • Not Available

      Pricing Page

      pdfFiller pricing
      ConvertAPI pricing

      Other Details

      Organization Types supported

      • Small Business
      • Freelancers
      • Medium Business
      • Large Enterprises
      • Individuals
      • Small Business
      • Freelancers
      • Medium Business
      • Large Enterprises
      • Individuals

      Platforms Supported

      • Browser Based (Cloud)
      • Mobile - iOS
      • Mobile - Android
      • Installed - Windows
      • Installed - Mac
      • Mobile - Windows
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Mobile - iOS
      • Mobile - Android
      • Installed - Windows
      • Installed - Mac
      • Mobile - Windows
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Available
      • Available
      Get help choosing
      Get help choosing

      Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      SOC 2

      ✓ Yes

      HIPAA

      ✓ Yes

      GDPR

      ✓ Yes
      ✓ Yes

      Single Sign-On (SSO)

      ✓ Yes

      Multi-Factor Auth (MFA)

      ✓ Yes

      Data Encryption

      ✓ Yes
      ✓ Yes

      Audit Logs

      ✓ Yes

      Data Residency

      🇺🇸 US
      🌐 Global

      pdfFiller User Reviews & Rating Comparison

      User Ratings

      Rating Distribution

      2785

      308

      52

      10

      81

      70

      16

      0

      0

      4

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      Users generally appreciate pdfFiller for its ease of use and efficient PDF form handling, though some desire more advanced features and clearer pricing.

      What buyers like

      • Ease of use
      • Form filling efficiency
      • Integration with Word templates

      Common complaints

      • Lack of advanced collaboration features
      • Pricing transparency

      Buyer sentiment

      Overall, users appreciate ConvertAPI's reliable service, ease of integration, and user-friendly interface, though some express concerns about API stability and limited documentation.

      What buyers like

      • Ease of use
      • Integration capabilities
      • Customer support

      Common complaints

      • API stability issues
      • Limited documentation

      Pros and Cons

      • Easy PDF form filling and creation on Windows

      • Ability to save and reuse data for repeated form filling

      • Integrated emailing and printing options within the app

      • Limited advanced workflow or collaboration features

      • No publicly available pricing details

      • Seamless integration into existing workflows and niche sites

      • User-friendly interface simplifying file conversion processes

      • Variety of pricing plans including a free option for easy adoption

      • Major API changes without prior notification causing disruptions

      • Occasional API functionality issues such as sudden stoppages

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      List of Customers

      Customers

      No Customers information available.

      Hubspot

      Hubspot

      Showbie

      Showbie

      Prezi

      Prezi

      Media and Screenshots

      Screenshots

      Draw Arrows

      4 Screenshots

      No screenshots available.

      Videos

      video-0

      2 Videos

      No videos available.

      Top Alternatives to pdfFiller and ConvertAPI in 2026

      Expand your shortlist

      Add another option to compare side by side

      Search by product name to compare pricing, fit, and buyer feedback in one view.

      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, pdfFiller or ConvertAPI?
      ConvertAPI edges out the other on user ratings (4.7 vs 4.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do pdfFiller and ConvertAPI offer a free trial?
      pdfFiller offers a free trial. ConvertAPI does not.
      What is the starting price of pdfFiller vs ConvertAPI?
      pdfFiller starts at $8 /Month. ConvertAPI starts at Contact for pricing.
      What are the top alternatives to pdfFiller?
      Top alternatives to pdfFiller include Documint, Adobe Acrobat DC, PDFelement, Fill, Adobe Sign.
      What are the top alternatives to ConvertAPI?
      Top alternatives to ConvertAPI include Documint, Doc Converter Pro, PDF Convert Free, PDFtoExcel.com, Adobe Acrobat DC.

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