Fill PDF forms
Fill existing PDF text fields, checkboxes and choices locally. Save an editable form and preserve its field values without uploading documents.
Fill existing standard PDF text fields, checkboxes, dropdowns, lists and radio groups. Fields remain editable. XFA, encrypted PDFs, signatures and other field types are rejected. Added text uses Latin characters supported by Helvetica. No field creation or certified signing.
How to use this tool
Select your files. They remain on your device.
Review the preview and choose the options below it.
Process locally, preview the result and download a new copy.
When to use it
Complete a standard application or questionnaire and keep the original form fields.
Limits and privacy
Fill existing standard PDF text fields, checkboxes, dropdowns, lists and radio groups. Fields remain editable. XFA, encrypted PDFs, signatures and other field types are rejected. Added text uses Latin characters supported by Helvetica. No field creation or certified signing.
PDF parsing keeps the document in memory. Limits of 25 MB per PDF, 60 MB per batch and 300 pages help bound memory on mobile devices. Rendering is limited to 16 megapixels per page, and exports to 120 MB. Very complex files can still exceed device memory.
Questions and answers
Are my documents uploaded?
No. Processing and preview run in your browser. Reloading or starting again releases the session. Nothing is saved to a user account.
Why are there technical limits?
PDF parsing keeps the document in memory. Limits of 25 MB per PDF, 60 MB per batch and 300 pages help bound memory on mobile devices. Rendering is limited to 16 megapixels per page, and exports to 120 MB. Very complex files can still exceed device memory.
Is the original replaced?
No. FIXLY downloads a new file. Keep the source and check the exported pages, fonts, links and layout before relying on it.