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Add arrows to a PDF

Drag from start to end to draw an arrow, then adjust its endpoints, color and thickness so it points exactly where you mean.

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What it does

Add arrows to PDF, explained

To add an arrow to a PDF, select the arrow tool and drag from where the arrow should start to the point it should hit; the head is drawn at the end you release. Drag either endpoint afterwards to re-aim it.

Read more

Arrows connect explanation to evidence. In review they link a margin note to the exact cell or word it is about; on drawings and maps they show direction of travel, flow or the spot where a fixture goes; in instructions they guide the eye through steps on a screenshot.

Thickness and color matter more than people think. A 1 pt dark arrow is precise on dense text; a 3 pt red arrow reads from across a table on a printed plan. Double-headed arrows mark a span — a dimension, a range of rows — and a plain line (same tool family) underlines or separates without pointing.

Arrows are one of several markup tools. Combine them with a sticky note or text box for the instruction itself, or see Markup PDF for the full correction workflow.

How to do it

Add arrows to a PDF in 4 steps

  1. 1Your PDF

  2. 2Mark it up

  3. 3Notes on the page

  1. 1

    Upload the PDF

    The arrow tool is active when the editor opens.

  2. 2

    Drag to draw

    Press at the tail, release at the point. Hold steady for a straight line at any angle.

  3. 3

    Adjust

    Drag the endpoints to re-aim, change color and thickness, or add a second head.

  4. 4

    Add the explanation

    Place a text box or note at the tail so readers know why the arrow is there, then download.

Example

Before and after

Before

A single-page site plan for a backyard shed, with the planned location only described in an email.

After

A 2.5 pt red arrow from a text box reading “Shed here — 5 ft from rear fence” to the exact corner of the lot, plus a double-headed arrow marking the 5 ft setback.

Settings & formats

What you can control

Endpoints
Each end can be dragged independently after drawing.
Arrowheads
Head at the end (default), at the start, or both for a span.
Color and thickness
Any color; stroke width in points.

Input

PDF

Output

PDF

Good to know before you start

  • Arrows are straight; curved or elbow connectors are not available (draw freehand with the pen if needed).
  • Arrows do not stay attached to text if the page content changes elsewhere; they are positioned on the page, not linked to words.
  • If you flatten on download, arrows become part of the page and can no longer be adjusted in other apps.

Add arrows to PDF: questions people ask

Can I make an arrow with heads on both ends?

Yes. Turn on the start head as well as the end head to show a span or dimension.

Can I draw a line without an arrowhead?

Yes. Use the line tool next to the arrow tool, or remove both heads.

How do I make an arrow perfectly horizontal?

Zoom in and drag the endpoints until they line up; the coordinates are stored precisely in PDF points.

Will my arrows print?

Yes. They are included in the downloaded PDF and print like any other page content.

Can I add text to the arrow itself?

Place a text box or sticky note at the tail; the arrow and text stay where you put them.

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