Replace PDF text
Select text areas, add replacement text, adjust size and color, and export the edited PDF.
Free Online PDF Editor
Edit, sign, organize, and export PDFs in your browser.
Lumina Scan gives you a focused online PDF workspace for replacing text, adding signatures, merging files, splitting pages, reordering documents, and exporting a clean final PDF.
PDF Workspace
Upload a PDF and keep moving.
Open the editor, choose a PDF, make the edits you need, and export the updated file from the same browser session.
Choose PDF
Text edits, signatures, page tools, and PDF export are built into one workspace.
Replace text
Sign PDF
Merge pages
Export PDF
PDF tools built for quick browser work.
Use Lumina Scan when you need a lightweight PDF editor without installing software or sending users through a separate checkout step.
Sign PDF files
Draw a signature or upload an image signature, place it on the document, and save the signed PDF.
Organize pages
Merge PDFs, split a document into pages, move pages up or down, delete pages, and extract a single page.
Frequently asked questions.
A few quick answers for people looking for a free online PDF editor that works in the browser.
Is Lumina Scan a free online PDF editor?
Yes. Lumina Scan lets you open the browser PDF editor and export edited PDF files without a separate checkout step.
Can I sign a PDF online?
Yes. You can draw or upload a signature, place it on the PDF, and export the signed file.
Can I merge, split, and reorder PDF pages?
Yes. Lumina Scan includes tools for merging PDFs, splitting pages into a ZIP file, moving pages, deleting pages, and exporting the final PDF.