Free · Open source · macOS & Windows

Capture & Pin

Select any part of your screen, mark it up, and keep it floating above your work. Translate or copy text from anywhere with one shortcut.

Latest preview · No account, no tracking

1

Select

Drag a region, or click a window or element. Tab switches detection.

2

Mark up

P pen, A arrow, R rectangle, T text. Undo and redo as you go.

3

Pin

Press Space. Drag to move, scroll to zoom, Space on hover for tools.

Features

What it does

Translate selected text

Tap Ctrl twice, select text, release. A card shows the meaning right where you are. Your clipboard stays untouched.

deadline🔊 ⧉ ✕

截止期限,最後期限,期限,死線,限期

CC-CEDICT · OfflineOnline

Copy text from the screen

Select any region and its text lands on your clipboard. Recognition runs on your device.

Invoice #2024-118Due 30 Nov
✓ Copied 30 characters

Color picker

Hover and press C. Shift switches HEX and RGB; arrow keys move one pixel.

#19D98A

Annotate

Pen, arrow, rectangle and text, in any color. Click existing text to change it.

✎↗▢T

Restore the last image

Closed a pin too soon? Restore the last image with its annotations and zoom.

Restore last imageCtrlShift4

Shortcuts

Default shortcuts

Every default sits under your left hand. Change any of them in Settings, including mouse side buttons.

  • Capture screenshotCtrlShift2macOS: double-tap left Command. Select a region, then Space to pin.
  • Paste image as pinCtrlShift3
  • Restore last imageCtrlShift4
  • Copy text from screenCtrlShift5
On-device OCRText recognition never leaves your computer.
Offline dictionaryWords use bundled CC-CEDICT. Only sentences go online, to MyMemory.
No accountNo sign-in, no API key, no LLM.
MIT licensedRead the code, file an issue, send a fix.

Download

Download

Free preview builds. All releases and notes ↗

macOS

macOS 14+ · Apple Silicon
Download for Mac

Open the DMG and drag FastPin into Applications. It lives in the menu bar and updates itself.

Install notes Drag FastPin into Applications

Previews are not notarized yet. If macOS blocks the first launch, follow Apple's instructions. Setup checks Screen Recording, Accessibility and Input Monitoring automatically. Accessibility enables Element detection and mouse shortcuts; Input Monitoring enables both double-tap gestures.

Windows

Windows 10 2004+ / 11 · x64
Download for Windows

Extract the ZIP into a permanent folder, then register it once and launch from Start.

Install notes
Extract the FastPin ZIP Turn on Developer Mode

Turn on Developer Mode, open PowerShell in the folder and run Add-AppxPackage -Register "$PWD\AppxManifest.xml". Windows updates are manual for now.