Flatten PDF for Architects
The permit submission is due today and the 180 MB drawing set will not upload to the council portal. If you work as one of the architects, you have been there. Confileo's Flatten PDF tool merges form fields, annotations and layers into a fixed, uneditable PDF — free, in your browser, with your files deleted automatically the moment you are done.
Start Using Flatten PDF NowWhy Architects use Flatten PDF
Day to day, architects handle floor plans, construction drawings, specifications, permit submittals, tender documents and site reports — exactly the kind of files this tool is built for.
- Assembling plans, specs and schedules into one numbered permit submittal.
- Compressing large drawing sets so the council portal accepts them.
- Flattening stamps and markups so the approved set cannot be edited.
- Converting between PDF and editable formats without losing drawing fidelity.
How to flatten pdf in 3 steps
- 1Upload the PDF with forms or markups.
- 2The tool flattens every layer into the page.
- 3Download a locked, final PDF.
Built for the way architects work
- ✓Handles large, detail-rich drawing sets without downsampling.
- ✓Flattening locks the approved revision for the whole site team.
- ✓Browser-based — no install on restricted office machines.
Flatten PDF — Frequently asked questions
Is Flatten PDF free for architects?
Yes. Handles large, detail-rich drawing sets without downsampling. There is no signup, no trial and no watermark on your files.
What kind of files can architects use Flatten PDF for?
Flatten PDF works with the documents architects handle every day — floor plans, construction drawings, specifications, permit submittals, tender documents and site reports. A common case: Assembling plans, specs and schedules into one numbered permit submittal.
Why flatten a PDF?
Flattening locks the final appearance so forms, stamps and notes cannot be changed or accidentally edited.
Will it still print the same?
Yes. A flattened PDF prints exactly as it appears, with everything baked into the page.
When do I need to flatten a PDF?
When sending a filled form or signed document, to lock its content and prevent fields or comments from being changed afterwards.
Does flattening lock form fields?
Yes. Fillable fields become fixed text that cannot be changed after flattening.
Does flattening fix display issues across devices?
Yes. Merging the layers makes the file display and print consistently across all readers and devices.
Can I edit the file after flattening?
No, and that is the point: a locked, final version. Keep a copy of the original if you need to edit later.