PDF Editor for Engineers
The submittal is due to the client by 5 PM and the 150 MB drawing set will not upload. If you work as one of the engineers, you have been there. Confileo's PDF Editor tool lets you add text, images and annotations directly onto a PDF — free, in your browser, with your files deleted automatically the moment you are done.
Start Using PDF Editor NowWhy Engineers use PDF Editor
Day to day, engineers handle technical drawings, CAD exports, specifications, inspection reports, datasheets and project submittals — exactly the kind of files this tool is built for.
- Combining drawings, specs and calculations into one numbered submittal package.
- Compressing large CAD-export PDFs so they pass the project portal limit.
- Flattening markups and stamps so the approved revision cannot be changed.
- Converting between PDF and editable formats without corrupting drawing scale.
How to pdf editor in 3 steps
- Upload the PDF you want to edit.
- Add text, images or notes anywhere on the page.
- Download your edited PDF.
Built for the way engineers work
- ✓Handles large, drawing-heavy files without choking or downsampling detail.
- ✓Flattening locks the approved revision so site copies stay authoritative.
- ✓No install on locked-down corporate machines — runs in the browser.
PDF Editor — Frequently asked questions
Is PDF Editor free for engineers?
Yes. Handles large, drawing-heavy files without choking or downsampling detail. There is no signup, no trial and no watermark on your files.
What kind of files can engineers use PDF Editor for?
PDF Editor works with the documents engineers handle every day — technical drawings, CAD exports, specifications, inspection reports, datasheets and project submittals. A common case: Combining drawings, specs and calculations into one numbered submittal package.
Can I fill in a PDF form?
Yes. Add text on top of any field and download the completed document without printing it.
Do I need to install anything?
No. The editor runs entirely in your browser, free, without Adobe Acrobat or any app.
Can I sign a PDF or add an image?
Yes. Add your signature image, logo or any other image on top of the document, then download the signed copy.
Can I delete or hide existing text in the PDF?
The PDF editor adds text and images on top. To permanently hide or remove sensitive info, use the dedicated PDF Redaction tool.
Can I add text anywhere on the page?
Yes. Type text anywhere on the page and move its position freely before downloading.
Are the edits permanent in the output file?
Yes. On download, all your additions are baked into a final PDF that opens the same way on any device.