Rectangles, ellipses, lines, arrows, polygons and revision clouds, with your own colours.
Quick answer
To add shapes to a PDF, open it in PDFella, open the Shapes menu and choose Rectangle, Ellipse, Line, Arrow, Polygon or Cloud, then drag on the page. Set stroke, fill and opacity in the side panel, then save and download.
Updated 5 October 2026 by the PDFella team
Key facts
Step by step
Drag your PDF onto the upload area, or click Upload document and choose it from your computer or phone. It opens instantly in the editor. No account and no installation needed.
Click Shapes in the tool bar and choose a rectangle, ellipse, line, arrow, polygon or cloud.
Drag on the page to draw. Hold Shift for perfect squares and circles. Set stroke colour, fill, thickness and opacity on the right.
Click Save changes, then Download PDF.
Why PDFella
Rectangle, ellipse, line, arrow, polygon and cloud.
Any colours, thickness and transparency.
Every shape can be moved, resized and rotated.
Shapes stay crisp at every zoom level.
Boxes and circles draw the eye to a specific area, arrows connect a comment to what it refers to, and clouds are the standard way to mark revisions on drawings. Combine them with sticky-note comments for complete feedback.
Architects & engineers
Mark revisions on plans with cloud shapes.
Teachers
Circle mistakes and draw arrows to corrections.
Product teams
Annotate screenshots and specs.
Yes. Choose Ellipse and hold Shift while dragging.
Yes. Choose any fill colour or none.
Yes. Use the rotate handle above a selected shape.
Yes, with no account.
No. Shapes are added in your browser.
Yes. They're saved as vector graphics.
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