FDFMerge
FDFMerge: A focused self-hosted tool for batch-filling PDF forms from FDF or XFDF data. Ranked #43 of 45 in PDF Creation Software by our editors (5.2/10); pricing: Paid; best for teams filling PDF forms in batch workflows.
At a glance
- Editor score5.2 / 10
- PricingPaid
- Best forTeams filling PDF forms in batch workflows
- Free planNo
- Data mergeYes
- Facts checked23 Sep 2026

Where it wins
- Merges one FDF or XFDF data file across multiple forms
- Supports selective field flattening and detailed field customization
- Runs from the command line and supports scripted batch workflows
Where it doesn't
- Requires self-hosted deployment on Windows or Linux
- No API access or verified integrations
- The listed plan highlights do not describe multiple tiers
Our verdict on FDFMerge
FDFMerge is server-based command-line software for filling PDF form templates with FDF or XFDF data. It is aimed at teams processing forms in batches, including workflows in banking and government. The tool can apply one data file to multiple forms, making it relevant when repeated form completion is the central task. It runs on Windows and Linux and is self-hosted, so it suits organizations that want to run the processing software in their own environment rather than use a hosted PDF service.
Its feature set centers on control over the finished form. Users can flatten every form field or select individual fields, customize text, font, spacing, borders, and backgrounds through FormInfo files, and place PDF pages or JPEG and TIFF images into fields. Output PDFs can also be encrypted and given document permissions. Command Collections support processing many forms in one run, while command-line operation allows teams to connect the workflow to scripts. These capabilities make FDFMerge a better fit for structured, repeatable form-filling jobs than for general-purpose PDF creation or editing.
The published plan is named FDFMerge and highlights full-featured form handling, partial form flattening, and dynamic field customization; no free plan is listed. Appligent describes a free trial, but does not specify its terms. Email is the stated support channel. The product details do not specify API access, and integrations are not established, so teams needing a ready-made connector ecosystem or an API-driven service should consider alternatives. Choose FDFMerge when batch data merging and field-level output control matter more than a hosted interface or broad integration options.
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FDFMerge pricing
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FDFMerge fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Data merge | Yes |
| Bulk PDF generation | Yes |
| API access | No |
| Maximum pages | Not verified |
| Input sources | FDF data, XFDF data, PDF form templates; JPEG and TIFF graphics can be placed in fields |
| Fillable form creation | Not verified |
| Deployment | Self_hosted |
| Deployment | Self-hosted |
| Platforms | Windows, Linux |
| Support | |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Paid (source) |
| Website | appligent.com |
| Facts checked | 23 Sep 2026 |
Alternatives to FDFMerge
- Wondershare PDFelementA broad PDF toolkit covering editing, OCR, forms, conversion, signatures, and AI workflows.9.3
- Adobe PDF Services APIA broad PDF automation API for enterprise document workflows and integrations.9.2
- PDFCreatorA Windows-focused PDF converter for batch processing, automation, and controlled output.9.1
See all FDFMerge alternatives →
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Featured on iTechGuides
FDFMerge is listed in our PDF Creation Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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