GrobPaint

Somewhere between MS Paint and Paint.NET. Multiplatform by default. Paint.NET doesn't run on macOS. GrobPaint fills that gap: a lightweight image editor with layers, blend modes, and selection tools, built with web technologies and a tiny Python backend. The goal isn't to clone Paint.NET or compete with Photoshop. It's to have the tools you actually need without the bloat. - Layers - add, delete, duplicate, merge, reorder, per-layer opacity and blend modes (16 modes) - Tools - Pencil, Brush, Eraser, Fill, Eyedropper, Line, Rectangle, Ellipse, Text, Select, Magic Wand, Lasso, Move - Selection - rectangular, magic wand with live tolerance, and freehand lasso; move/resize/rotate content with handles, copy/cut/paste, crop to selection - Adjustments - brightness/contrast, hue/saturation/lightness, gaussian blur, sharpen (unsharp mask) - all with live preview - Color - HSV picker, RGB/Hex input, alpha channel, palettes (Lospec 500, PICO-8), swap primary/secondary - Canvas - zoom (scroll wheel, pinch, keyboard, editable input + slider), pan (space+drag, middle-click, trackpad), fit-to-view, grid overlay - File I/O - PNG, JPEG, BMP, GIF; native .gbp project format preserves layers as a ZIP archive - Sprite sheets - split a sheet into layers, or export layers as a horizontal sheet - Image operations - scale (nearest/bilinear/bicubic), canvas resize with anchor, flip, flatten - Multi-document - draggable tabs, multiple images open at once - Clipboard - copy/paste within app and to/from system clipboard - Auto-save - all work is persisted to localStorage automatically GrobPaint is the open-source project groverburger/grobpaint (https://github.com/groverburger/grobpaint) by groverburger, released under MIT. Ion packages it unmodified from commit ece22c326479, adding only a manifest, an icon and a storage compatibility script.

Written by groverburger, published to Oikou by Ben Grande.

• ★ 153 stars on GitHub
• Licence: MIT
• Built from commit ece22c326479

View the repository on GitHub

Not rated. Nobody has said who this app is suitable for, so Personal Clouds and the Oikou app treat it as 18+.

Internet

It asks to reach these hosts, and no others:

• fonts.googleapis.com
• cdnjs.cloudflare.com
• fonts.gstatic.com

Personal Cloud tools

• Keep a database of its own on your Personal Cloud ion.db
• Keep files in its own storage on your Personal Cloud ion.files

Notifications

It does not send push notifications.

Storage

Up to 1 GB on your Personal Cloud.

Sign in to add this web app to a Personal Cloud of yours. It runs there, on your own computer, and you open it from there; nothing is installed on your phone.

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