What is the difference between Power PDF Filler and pdfFiller?
Power PDF Filler and pdfFiller solve different problems in the PDF space. Understanding what each tool was built for helps you pick the right one for your workflow.
Power PDF Filler is a Microsoft Excel add-in designed specifically for batch filling PDF forms using spreadsheet data. It lives inside Excel, so you never have to leave your spreadsheet. You upload a PDF template, map your Excel columns to the PDF form fields, and the add-in generates one filled PDF per row. There is no limit on how many PDFs you can fill in a single batch. In Chrome and Edge, all processing happens on your machine, so your data never leaves your computer. Power PDF Filler costs $19.90 per month or $199 per year, and it includes a 30-day free trial. It supports Windows, Mac, and the web version of Excel.
pdfFiller is a general-purpose online PDF editor. It handles a wide range of PDF tasks: editing text, adding signatures, creating fillable forms, annotating documents, and merging or splitting PDFs. pdfFiller does offer a batch fill feature through its "Fill in Bulk" tool, but it is limited to 5 PDFs per batch. Data must be uploaded to pdfFiller's cloud platform for processing. pdfFiller starts at $8 per month for its Basic plan, with higher tiers at $12 and $15 per month. It works in any web browser and has mobile apps for iOS and Android.
The core difference comes down to specialization versus generalization. Power PDF Filler does one thing — batch filling PDF forms from Excel — and does it without limitations on volume or platform. pdfFiller does many things with PDFs but treats batch filling as a secondary feature with a hard cap of 5 documents.
When should you choose pdfFiller?
pdfFiller is a strong choice if your needs extend beyond batch filling PDF forms. It is a full-featured PDF editor that handles many document tasks in one platform.
General PDF editing: If you need to edit text, images, and layouts in existing PDFs, pdfFiller provides these tools. Power PDF Filler does not edit PDFs — it only fills form fields.
E-signatures: pdfFiller includes built-in electronic signature capabilities. You can send documents for signing, track signature status, and store signed copies. This is useful for contracts, agreements, and HR documents that require signatures.
Fillable form creation: If you need to create new fillable PDF forms from scratch or convert static PDFs into fillable ones, pdfFiller has a form builder. Power PDF Filler works with existing fillable PDFs but does not create them.
Online document workflows: pdfFiller supports sharing documents via links, requesting information from others through forms, and routing documents for approval. These collaboration features are useful for teams that manage document workflows.
Mobile access: pdfFiller's iOS and Android apps let you work with PDFs from your phone or tablet. If you need to fill or sign documents while away from your desk, this is a clear advantage.
In short, if you need a general PDF tool that handles editing, signing, form creation, and some batch filling, pdfFiller covers more ground. The batch fill limit of 5 PDFs may not matter if you only fill a handful of forms at a time.
When should you choose Power PDF Filler?
Power PDF Filler is the better choice when your workflow centers on Excel and you need to fill PDF forms in volume.
Your data lives in Excel: If your source data is already in a spreadsheet — employee records, tax information, client details, student data, invoice line items — Power PDF Filler lets you work without leaving Excel. There is no need to export your data, upload it to a website, and then download the results. You select your data, pick your template, and fill.
You fill more than 5 PDFs at a time: This is the most straightforward difference. pdfFiller's batch limit of 5 PDFs means that filling 100 forms requires 20 separate batch runs. Power PDF Filler has no batch limit. Whether you need to fill 10 forms or 10,000, you run it once.
You reuse the same PDF templates: Power PDF Filler's template management system lets you save field mappings. Once you have mapped your Excel columns to a PDF form's fields, you save that mapping and reuse it every time. Teams can share templates, so everyone in your department fills forms consistently.
Data security is a priority: In Chrome or Edge, Power PDF Filler processes all PDFs on your machine — your data never travels to a remote server. When using desktop Excel, data is encrypted via HTTPS and automatically purged daily. Either way, pdfFiller always processes everything in their cloud, with no client-side option.
You need cross-platform consistency: Power PDF Filler works anywhere Excel runs — Windows, Mac, and the web. Your templates, mappings, and workflows carry over seamlessly between platforms.
How does pricing compare?
Both tools offer monthly and annual pricing, but the structures differ significantly because the products serve different purposes.
pdfFiller pricing: pdfFiller offers three plans. The Basic plan costs $8 per month (billed annually) and covers core editing and filling. The Plus plan costs $12 per month and adds e-signatures. The Premium plan costs $15 per month and includes advanced features like audit trails and reusable templates. When billed monthly (without an annual commitment), prices are higher.
Power PDF Filler pricing: Power PDF Filler has a single plan at $19.90 per month or $199 per year (equivalent to $16.58 per month). All features are included — there are no tiers, no feature gates, and no batch limits. Every user gets template management, all field types, and unlimited batch filling.
Cost per PDF filled: This is where the math gets interesting. If you fill 5 PDFs per month, pdfFiller at $8/month costs $1.60 per PDF. Power PDF Filler at $19.90/month costs $3.98 per PDF. But if you fill 100 PDFs per month, pdfFiller's batch limit means you need 20 manual batch runs and the per-PDF cost stays at $0.08 — though the time cost is significant. Power PDF Filler at $19.90/month costs $0.20 per PDF with a single batch run.
Free trials: Both tools offer 30-day free trials. Power PDF Filler's trial includes all features with no restrictions. pdfFiller's trial may have limitations depending on the plan.
The bottom line: pdfFiller is cheaper if you use it primarily as a PDF editor and only occasionally batch fill forms. Power PDF Filler is the better value if batch filling is your primary need and you process more than a handful of forms regularly.
What about data security?
Data security is one of the most important differences between these two tools, and it comes down to where your data is processed.
pdfFiller: pdfFiller is a cloud-based platform. All documents you work with are uploaded to pdfFiller's servers for processing. This includes your source data, PDF templates, and the filled output files. pdfFiller uses encryption in transit and at rest, and they have security certifications. However, your data does leave your machine and resides on their infrastructure.
Power PDF Filler: In Chrome and Edge browsers, all PDF processing happens client-side — on your machine. Your spreadsheet data, PDF templates, and filled documents never leave your computer. When using desktop Excel on Windows or Mac, data is transmitted securely via HTTPS to cloud servers for processing and is automatically purged daily. In both modes, data is strictly used for PDF filling and is never shared or sold.
For organizations that handle sensitive data — healthcare providers dealing with HIPAA, financial institutions with PCI requirements, law firms with client privilege, HR departments with employee records — Power PDF Filler's client-side option in Chrome and Edge eliminates an entire category of risk. Even when cloud processing is used, data is encrypted in transit, protected at rest, and automatically purged daily.
pdfFiller's cloud-based approach is standard in the industry and is not inherently insecure. For most general PDF editing tasks, their security measures are adequate. But for batch filling forms that contain personally identifiable information, Power PDF Filler offers more control — especially in Chrome and Edge where data never leaves your machine.