Fill PDF forms
Fill AcroForm fields or type over static forms.
Interactive fields (text, checkboxes, radio groups, dropdowns) are detected and can be filled in place. For flat forms without fields, add text blocks anywhere. Choose to keep fields editable or flatten them on export.
Runs in your browserAccepts PDFOutput PDF
Open in the editor
Fill PDF forms runs inside the DOCAXO editor. Drop a file and it opens with the forms tool selected. Counts as one of your daily files on the Free plan.
Drop a PDF here or
Your file stays in this browser until you run a server tool.
Limits & fidelity
Your file never leaves your device. Rendering and export happen with PDF.js and pdf-lib in the tab.
- XFA forms are not supported; they are treated as flat pages.
- JavaScript-driven field logic is ignored.
Free plan: 3 files a day, 15 pages per document, 15 pages per job. No watermark on any plan. Compare plans.
Questions
- Does Fill PDF forms upload my file?
- No. It runs in your browser with PDF.js and pdf-lib. The file only leaves your device if you later run a server tool on it.
- Is there a watermark or a fee?
- No watermark on any plan. The Free plan includes 3 files a day and 15 pages per document; this tool does not use heavy-processing credits. Pro (€6/month) removes the caps.
- What should I know before relying on Fill PDF forms?
- XFA forms are not supported; they are treated as flat pages. JavaScript-driven field logic is ignored.
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