wsnap openwong2kim

drag-and-drop gif ocr productivity screen-capture screenshot

Use this command to install wsnap:

winget install --id=openwong2kim.wsnap -e

wsnap is a native Windows capture tool that makes drag-and-drop the primary action: capture a region, get a floating thumbnail, then drag it out as a real file (path in terminals, file in Explorer/chat/upload fields) or click to copy the path. Includes a minimal editor (arrow/rect/pen/text/mosaic/crop), on-device OCR (KO/EN), region GIF recording, scroll capture, and clipboard watch. PerMonitorV2 DPI-correct.

wsnap

macOS-style screen capture for Windows.

Press Shift+F1, drag a region, and the image is already on your clipboard. Pick an action from the toolbar that appears right at your selection — copy, save, edit, OCR, GIF, pin — or just drag the floating thumbnail straight into any app as a real file.

Native. Offline. No account, no tracking. GPL-3.0.

wsnap demo

Why wsnap

Most Windows capture tools make you fish a file out of a folder, or they copy a file path to the clipboard when you actually wanted the image. wsnap treats the two things people do with a screenshot every day — paste it and drag it somewhere — as first-class:

The capture is on your clipboard as an image the instant you release the mouse. Paste it anywhere with Ctrl+V.
The floating thumbnail is a real, draggable file. Drop it into Slack, a chat, an editor, an email — and it stays put so you can drop it again somewhere else.

Everything else — a precise frozen-screen overlay, a pixel loupe with HEX color readout, an annotation editor, on-device OCR, GIF recording, scrolling capture — is built around that core in one consistent dark UI, running quietly from the tray.

Features

Capture → floating thumbnail → drag-and-drop. Thumbnails stack at the bottom-right, up to a configurable number.
Clipboard-first. Click = copy the image; auto-copy on capture (optional) so it's ready before you even click. Ctrl+Click = copy the file path.
Action toolbar at your selection — Copy · Save · Edit · OCR · GIF · Pin (keys C / Enter / E / T / G / P, Esc to cancel).
Precise overlay. Freezes the screen, brightens only your selection (punch-through dim), shows live W×H, and a magnifier loupe with pixel coordinates and the HEX color under the cursor. Physical-pixel cursor grab — correct on mixed-DPI multi-monitor setups.
Color picker (eyedropper). Click any pixel → #RRGGBB copied.
Annotation editor — arrow, line, rectangle, ellipse, pen, highlighter, text, numbered steps, mosaic / blur redaction, crop. Pick thickness and color, select / move / delete objects (V), undo and redo, undoable crop, copy to clipboard (Ctrl+C), Shift to constrain (45° / square). Keyboard-driven.
Great on-device OCR (KO + EN). PaddleOCR PP-OCRv5 models on ONNX Runtime — accurate on mixed Korean/English, code, and UI text. Free, fully offline, no language pack required (models ship inside the exe).
Many capture modes — region · full screen · click-to-capture a window (auto-detected) · repeat last region · delayed (3 / 5s).
Capture history gallery. Browse every saved capture as thumbnails → re-drag, copy, edit, or delete (to Recycle Bin).
Filename templates — {app}, {title}, {date}, {seq}, {w}, {h} tokens (the foreground app / window title are captured at grab time).
Pin to keep a thumbnail (disables auto-dismiss and promotes the file out of %TEMP%).
GIF recording · scrolling capture · clipboard-image detection.
One dark design system across the overlay, editor, and settings — including dark DWM title bars.
Lean tray resident. Idle memory was cut hard in 1.2.4 (single-digit working set / ~85 MB committed); the OCR engine loads lazily and releases after use, so OCR doesn't tax the idle footprint.

Install

Windows 10/11, x64.

Package managers

# Scoop
scoop install https://raw.githubusercontent.com/openwong2kim/wsnap/main/packaging/scoop/wsnap.json

# winget (once the manifest is accepted into winget-pkgs)
winget install openwong2kim.wsnap

Direct download — grab the latest from Releases:

wsnap-setup-x.y.z.exe — installer (Start Menu shortcut, optional run-at-startup)
wsnap-vx.y.z-win-x64.zip — portable single .exe, no install

> wsnap is not code-signed yet, so Windows SmartScreen may show an "unknown publisher" > prompt — click More info → Run anyway. (OSS code signing is wired up and pending; see SIGNING.md.)

Usage

Launch — no window appears, just a tray icon.
Press Shift+F1 (or double-click the tray icon) and drag a region.
The thumbnail at the bottom-right:
- Left-click drag → hand off the file (stays available to drag again elsewhere)
- Click → copy the file path
- Hover buttons → Edit / Text (OCR) / ✕
- Right-click drag (sideways) → flick it away
- Leave it → auto-dismisses after your configured delay
Tray menu: Capture · OCR region · GIF record · Scrolling capture · Clear all · Settings · Quit.

Settings: save folder, hotkey rebinding, auto-dismiss delay, max thumbnails shown, run at startup, intercept Win+Shift+S, history (date folders), clipboard detection, telemetry (opt-in), upload.

Build from source (Windows)

Requires the .NET 8 SDK (or 9) with the Windows Desktop workload. The project targets net8.0-windows10.0.19041.0 for WinRT projection availability.

The Korean OCR model lives in models/v5/ and is embedded into the exe at build time. To (re)download it:

pwsh -File tools\fetch-ocr-models.ps1

Run, publish a single self-contained exe, and build the installer:

dotnet run --project Wsnap.csproj          # run from source
pwsh -File publish.ps1                      # -&gt; publish\wsnap.exe (single file)
ISCC.exe installer.iss                      # -&gt; dist\wsnap-setup-x.y.z.exe (Inno Setup 6)

Source map

File	Role
`App.cs`	Entry point · tray · capture modes · action routing · single instance
`Theme.cs`	Shared design system (color · type · control styles · dark title bars)
`Icons.cs`	Vector line icons (font-independent)
`ImageClipboard.cs`	Multi-format image clipboard (DIB + PNG + FileDrop, with retry)
`HotkeyHook.cs`	Global keyboard hook (custom hotkey + `Win+Shift+S` toggle)
`CaptureOverlay.cs`	Capture overlay (freeze · dim · W×H · loupe · action toolbar · Capture/OCR/Region/ColorPick)
`ScreenGrab.cs`	Screen pixel grab + Bitmap→BitmapSource
`CaptureStore.cs`	Save-location / history policy + pin promotion
`ThumbnailWindow.cs`	Floating thumbnail stack (copy · save · edit · OCR · folder · share · pin · delete)
`HistoryWindow.cs`	Capture history gallery (thumbnail grid · drag-out · re-edit · delete)
`EditorWindow.cs`	Annotation editor (11 tools · redo · undoable crop · copy to clipboard)
`Ocr.cs`	PaddleOCR PP-OCRv5 (ONNX / RapidOcrNet) wrapper — Korean rec model, lazy load + idle release
`GifRecorder.cs` / `GifWriter.cs`	GIF recording + delay/loop encoding
`ScrollCapture.cs`	Scrolling capture (overlap stitching)
`ClipboardWatcher.cs`	Clipboard image detection
`Uploader.cs`	Imgur upload
`Settings.cs` / `SettingsWindow.cs`	Settings model · UI (dark cards)
`AutoStart.cs` / `SingleInstance.cs` / `CrashLog.cs` / `Toast.cs`	Tray-resident infrastructure

Good to know

OCR: PP-OCRv5 models are embedded in the exe — no language pack needed. The first recognition is slightly slower (engine warm-up), then fast; the engine is released after a short idle. Rotated text isn't de-skewed (screenshots are assumed upright).
Scrolling capture is best-effort — solid on text and web pages, weaker on smooth-scroll / parallax content.
Privacy: no tracking. Telemetry is opt-in and local-log only (%APPDATA%\wsnap\wsnap.log).
Code signing is recommended before wide distribution to avoid SmartScreen — see SIGNING.md / ROADMAP.md.

License

OCR is powered by RapidOcrNet and PaddleOCR PP-OCRv5 models on ONNX Runtime. Bundled third-party components and their licenses (all permissive / GPL-3.0-compatible) are listed in THIRD-PARTY-NOTICES.md.

See ROADMAP.md for detailed status and CHANGELOG.md for release history.