Advanced
Work faster. Explain better.
Shortcuts, gestures, legends and real-world workflows for people who annotate a lot.
Keyboard first
Single keys switch tools, so your hand never leaves the keyboard. Press ? in the app for the full list.
Tools
VATLRECSPHSelect, Arrow, Text, Label, Rectangle, Ellipse, Circle, Stamp, Pen, Highlighter.
Sizes
1234Switch S / M / L / XL — also restyles the selected mark.
Undo / redo
⌘/CtrlZShiftCtrl / Cmd + Z to undo, add Shift to redo.
Back to pointer
EscDrops the current tool and clears the selection.
Edit like a pro
Move, copy and arrange marks precisely.
Duplicate
⌘/CtrlDOne keystroke: makes a copy right next to the original, already selected.
Clone while dragging
AltdragHold Alt and drag a mark to pull out a copy.
Copy and paste
⌘/CtrlC / VSame result as Duplicate, in two steps — use whichever habit you prefer.
Nudge
↑ ↓ ← →ShiftMove by 1 px, or 10 px with Shift.
Layer order
][Bring forward or send backward.
Resize anything
Drag corner or side handles. Text, stamps and labels keep their proportions.
Mouse, trackpad and touch
Move around big images without hunting for buttons.
Zoom
Scroll+−Scroll zooms toward your pointer. Ctrl / Cmd + 0 fits the picture.
Pan
SpacedragOr drag with the right or middle mouse button. On a trackpad, scroll with two fingers.
Pinch
On phones, tablets and trackpads, pinch to zoom and move with two fingers. It never leaves a stray line.
Long arrows
Keep dragging past the picture edge — the arrow ends exactly where you let go.
Right-click is your friend
Borrowed from the best design tools.
Instant pointer
Right-click anywhere to leave the current tool and grab what's underneath.
Quick menu
On a mark: duplicate, copy, front / back, delete. On empty space: paste, fit, clear, shortcuts.
Legends and framing
Keep notes off the screenshot so nothing important gets covered.
Legend below
Pick the preset, then put numbered labels on the image and explain each one in the space below.
Side notes
Unlink the sides and add space only on the right for a column of comments.
Crop without losing
Enter a negative margin or pull an edge inward. Marks in the hidden area come back when you grow it again.
% or pixels
Switch units any time — values convert instantly.
Use cases
A few ways people use imagB every day.
Bug reports
Arrow to the problem, a number per issue, and short notes. Paste straight into the ticket.
Design feedback
Circle spacing issues, add 👍 stamps for what works, and list changes in a legend.
How-to guides
Numbered labels in order: 1 click here, 2 then here. Clear for anyone.
Photos and plans
Big photos work too — point out a crack on a wall or a spot on a map.
Help
Quick answers to common questions.
Is my image uploaded?
No. Everything stays in your browser.
Paste does nothing
Click the editor first, then press Ctrl / Cmd + V. Some browsers ask for permission once.
Marks look too small or big
Use 1–4 for sizes, or drag a mark's handles.
Will I lose my work?
Your work lives in this tab. Links from the editor open in a new tab, but copy or download before closing it.