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SPECIFICTION
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unbagrnd

zidniryi.space

Free plan WindowsmacOSLinuxAndroidAPISelf-hosted
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Spec score 7.5 #21 of 28 in Image Background Removal Software

What it is

unbagrnd removes photo backgrounds with on-device AI, processing images locally in its desktop app with ONNX Runtime. It can handle a single image or a folder, with live before-and-after previews as processing completes. Users can pick from several models to balance speed and accuracy; the default is 43 MB. Brush tools erase or restore subject areas, with undo and redo, and users can add a solid-color background or an on-device drop shadow. The app predicts a foreground mask on the CPU, combines it with the original pixels, and saves the result as PNG. The maker says the only network request is a one-time model download, with no analytics, update checks, or telemetry. unbagrnd is free and open source under the MIT license, with no API keys, paid tiers, or usage limits. A self-hosted, Docker-capable REST API supports single-image and batch processing. Its documented defaults allow 20 MB per image, batches of up to 10, and 60 requests per minute per API key. It supports Android, Linux, macOS, Windows, and self-hosted use.

Spec sheet

Purpose
unbagrnd removes photo backgrounds using on-device AI.Read 4 Oct 2026 · zidniryi.space
Platforms
The download page lists macOS for Apple Silicon, Windows 10/11 x64, Linux x86_64, and Android arm64.Read 4 Oct 2026 · zidniryi.space
Free plan
YesRead 20 Sep 2026 · zidniryi.space
License
The product is free and open source under the MIT license, with no API keys, paid tiers, or usage limits.Read 4 Oct 2026 · zidniryi.space
API limits
The documented API defaults to a 20 MB per-image upload limit, batches of up to 10 images, and 60 requests per minute per API key.Read 4 Oct 2026 · zidniryi.space
API privacy
The API docs say images are processed in memory and discarded, not written to disk or logged; SQLite stores API key metadata only.Read 4 Oct 2026 · zidniryi.space
Editing tools
Users can brush to erase or restore subject areas with undo and redo, then add a solid-color background and an on-device drop shadow.Read 4 Oct 2026 · zidniryi.space
Install notes
The maker says the macOS build is not notarized, the Windows installer is not code-signed, and the Android APK is not on Google Play.Read 4 Oct 2026 · zidniryi.space
Local processing
The desktop app runs background removal locally with ONNX Runtime, and says images, filenames, and metadata are never sent anywhere.Read 4 Oct 2026 · zidniryi.space
Model selection
Settings lets users choose among several background-removal models to trade speed for accuracy, starting with a 43 MB default.Read 4 Oct 2026 · zidniryi.space
Offline and telemetry
The site says the only network request is a one-time model download and that the app has no analytics, update checks, or telemetry.Read 4 Oct 2026 · zidniryi.space
Output and inference
The app predicts a foreground mask on the CPU, composites it with the original pixels, and saves the result as PNG.Read 4 Oct 2026 · zidniryi.space
Self-hosted API
The maker documents a Docker-capable self-hosted REST API with single-image and batch background-removal endpoints.Read 4 Oct 2026 · zidniryi.space
Single and batch processing
The app processes one image or a folder and shows live before-and-after previews as files finish.Read 4 Oct 2026 · zidniryi.space

Plans and prices

unbagrnd Free No paid tiers · no usage limits Read 4 Oct 2026 · zidniryi.space

Every unbagrnd plan and price →

Strong points and limits

Strong points

  • Local desktop processing with ONNX Runtime
  • Single-image and folder batch processing
  • Brush editing, solid backgrounds, and drop shadows
  • Free, open source, and without usage limits
  • Self-hosted REST API with batch endpoints

Limits

  • macOS build is not notarized
  • Windows installer is not code-signed
  • Android APK is not on Google Play
  • API defaults to a 20 MB image limit

Who it suits

It suits people who want local background removal, folder processing, or a self-managed API. It is available on desktop and mobile platforms, with install caveats for macOS, Windows, and Android.

Verdict

unbagrnd pairs local desktop processing and editing tools with a self-hosted API. It is free under the MIT license, though its documented installer caveats and API limits are worth noting.

Where Specifiction places it

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