Flatten PDF
Render PDF form and annotation appearances into flattened pages.
Current capabilities
- ✓Produces a visually flattened PDF
- ✓Configurable render DPI
Before processing
- !The current secure flatten mode renders complete pages as images.
- !Searchable text, links, forms and accessibility structure are removed.
Choose files or drag them here
application/pdf · Up to 1 files · Max 25 MB per file
Options
Using Flatten PDF
Render PDF form and annotation appearances into flattened pages.
How to Use Flatten PDF (Step-by-Step)
Follow these quick steps to achieve optimal results in seconds.
Choose or Import Files
Upload or drag and drop your application/pdf file into the secure workspace.
Configure & Preview
Customize available settings, page ranges, or compression levels with real-time feedback.
Immediate Download
Execute processing and download your finalized output instantly without countdowns or watermarks.
Workflow
Choose render DPI, process a copy and inspect the appearance of filled fields and annotations.
Example to try
Flatten a filled sample form and check that the values remain visible in another PDF viewer.
Illustrative check using non-sensitive sample input; not a claim of a measured production result.
Limitations and review
Rasterization can affect selectable text and sharpness. Flattening is not a substitute for secure redaction.
Processing and privacy
Input files or text and selected options are sent to a server processing job. Review the upload limits and job expiry shown in the workspace. Expiry and scheduled physical cleanup are separate events.
Read our full privacy policy →Privacy Guaranteed
Isolated sandbox execution with automated 30-min file deletion.
No Quality Loss
Lossless vector preservation and crisp high-DPI rendering without watermarks.
Immediate Access
Instant downloads with zero registration, subscriptions, or forced waiting gates.
Technical Specifications & Input Settings
The file picker accepts application/pdf. Select 1 file(s). The current web uploader limits each file to 25 MiB; the service may reject additional unsupported inputs.
- Render DPI
- Configure in the workspace when needed.
Questions about Flatten PDF
Frequently asked technical and operational questions about flatten pdf.
What does flattening a PDF do to forms and annotations?
Flattening merges interactive AcroForm fields, digital signatures, comments, and stamp overlays directly into the page content stream, making them non-editable static elements.
Does flattening preserve text searchability?
Ukitz offers vector-preserving flattening that locks field appearances without rasterizing page text, keeping characters fully searchable and selectable.
Why is flattening required before submitting forms to government or court portals?
Many regulatory systems and court e-filing portals reject interactive forms because field values can be tampered with or render inconsistently across differing PDF viewers.