Flatten PDF Online for Free
Merge form fields and layers into the page — no upload, no signup, up to 100 MB.
Your file never leaves your deviceDrag & drop your PDF here
or Max 100 MB · Free · Processed entirely in your browserHow to Flatten a PDF
- Upload your PDFDrag & drop or browse your PDF.
- Flatten pagesWe render each page into a static image.
- DownloadSave your flattened PDF.
Lock it down, without the upload
- Private by designYour PDF is processed on your device and never uploaded.
- Truly flattenedForm fields, annotations, and layers are baked into static page content — nothing is editable.
- Free, no signupNo account, no credit card, no trial that expires.
- Consistent everywhereFlattened PDFs render identically in every reader — no missing fonts or broken layers.
- Choose the qualityStandard (144 DPI) for speed, or High (216 DPI) for sharper output.
Frequently Asked Questions
Is it free?
Yes. No signup required.
Is my file safe?
Yes — your PDF is processed entirely in your browser and never uploaded.
What does flattening do?
Flattening renders each page — including form field values, annotations, and layers — into a static image. The result is a PDF where everything is baked into the page content: no editable form fields, no movable annotations, no separate layers.
Can I still select or search text after flattening?
No. Flattened pages are images, so the text is no longer selectable or searchable. If you need searchable text, flatten a copy and keep the original.
Why would I flatten a PDF?
To prevent edits to form fields before sharing, to ensure annotations and layers display consistently across all PDF readers, or to finalize a document for archiving.
Max file size?
100 MB.