Window or inner area
Move the pointer to inspect highlighted boundaries, then click. Depending on the app, it may detect the full window or a large content area.
User guide
Find the feature you need and follow the steps.
Getting started
CapButt stays in the Windows system tray. Start a capture with the floating button, tray menu or a global shortcut.
- 01Launch CapButt.
Open the installed app and check the tray icon. Adjust the floating capture button's visibility in Settings.
- 02Start a capture.
Click the floating capture button or press Alt + Shift + S to start.
This is the default shortcut; change it under Keyboard shortcuts in Settings. - 03Select an area when the screen dims.
Click a window or drag an area to open the editing tools.
Select only what you need
Custom area
Drag from start to end. Resize the selection with the corner and edge handles.
Full screen
Before selecting an area, press Capture full screen at the top to select the entire current monitor.
Drag an empty area with the selection tool to move the selection. A single custom area spanning two monitors is not supported.
Mark what matters
After selecting an area, choose a tool from the toolbar. Click a group to see its tools and options.
| Tool | How to use |
|---|---|
| Shapes | Choose a rectangle, circle, triangle or star, then drag. Adjust color, thickness and fill. |
| Lines and arrows | Drag from start to end. Choose single-headed or double-headed arrows. |
| Pen and highlighter | Draw freely or drag across the area to highlight. |
| Text | Click the capture and type. Double-click existing text to edit it again. |
| Pixelation | Select an area or use the pointer to hide details. Check the result before saving. |
| Eraser | Erase annotations by object or pointer. This does not erase the original capture. |
Move annotations with the selection tool and rotate them with the rotation handle. Hold Shift to preserve shape proportions or snap lines and arrows to 45° angles.
Undo: Ctrl + Z; redo: Ctrl + Y.
Copy or save to a file
- 01Check the selection and annotations.
Content outside the selection is not included in the result.
- 02Press Copy/Finish to copy.
The capture and annotations are combined and copied to the clipboard. Press Ctrl + V in the destination app. The default finish key is Enter.
- 03Press Save to keep a file.
Choose PNG, JPG or a single-page PDF, then set the save location and filename.
The finish shortcut is inactive while typing text or numbers. Finish typing, then use Copy/Finish on the toolbar.
Pin reference images on screen
Press the pin button on the editing toolbar. The current selection and annotations appear in a separate always-on-top window.
- Move and resize pinned images.
- Keep multiple images open and control each independently.
- Each window supports saving, copying and closing.
- When a pinned window is active, press Esc to close that window.
Capture a long page in one image
- 01Select the area you want to scroll.
Start a normal capture and select the vertically scrolling content.
- 02Choose Scrolling capture in the extended tools.
The selected area scrolls automatically while captures are stitched together.
- 03Press Space at the desired point.
Finish with the content captured so far. Press Esc during capture to cancel.
- 04Tidy up the long capture.
Use boundary handles to keep the area you need, add annotations, then copy or save.
Fixed menus, moving content and the app's scrolling behavior can affect stitching. Check warnings and the result; if necessary, return to the document's start and capture again.
Fit CapButt to your workflow
Open Settings from the tray menu to adjust common actions.
Keyboard shortcuts
Change or disable shortcuts for capture, editing tool groups and Copy/Finish.
Screen layout
Adjust the floating capture button and the order of toolbar groups and tools.
General and display settings
Choose startup behavior, display language and the Settings theme.
Press Save to apply changes. Start with Windows registers CapButt to launch when you sign in.
Work faster with shortcuts
These are the initial defaults. Your settings may differ.
Start a captureAlt + Shift + S
Copy / FinishEnter
Selection toolV
TextT
Shapes groupU
Lines groupL
Drawing groupB
Erasing groupE
UndoCtrl + Z
RedoCtrl + Y
Esc works in stages.
It first cancels drawing or transforms in progress. From an annotation tool it returns to selection. From the selection tool or before area selection, it exits capture.
Frequently asked questions
The app opened, but I cannot see a main window.+
CapButt runs in the tray. Look for its Windows tray icon or the floating capture button.
The area I want is not detected automatically.+
Detection depends on the window information provided by the app. Drag to select your area manually.
Can the eraser remove the original screen content?+
The eraser removes annotations. Use pixelation to hide content in the original capture.
My tools are in a different order from the guide.+
Placement can vary with the version and your settings. Check the tool order in Settings or read the tooltips.