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Features

✅ Currently implemented

• Localization:

  

• Change print direction (controls from what side image will be encoded).

• Label properties.

• Label presets.

• Import/export label presets.

• Adding label presets yourself.

• Label shapes: rectangle, rounded rectangle, circle.

• Double (cable) labels. Tail length and tail position can be configured.

  

• Mirroring for double (cable) labels.

• Autosaving last used label size.

• Adding text, basic figures, images.

• Adding icons.

• Adding images by drag and drop.

• Keyboard shortcuts:

  • Ctrl + V insert image or text from clipboard (#29)
  • Ctrl + D - clone object
  • Ctrl + Z - undo
  • Ctrl + Y or Ctrl + Shift + Z- redo
  • → ↓ ↑ ← - move selected objects
  • Del - delete selected objects
  • Esc - discard selection

• Zoom with mouse wheel (#59)

• Adding QR codes (#9).

• Adding Barcodes (#10).

• Importing ZPL labels as images via Labelary API.

• Cloning objects.

• Deleting objects.

• Centering objects (on double labels too).

• Undo/redo.

• Some text controls (alignment, size, etc.).

• Basic templating (dates currently supported):

  • You can insert current datetime with {dt}.
  • Dates can be formatted: {dt | DD.MM.YYYY}. Day.js is used for date formatting.
  • Objects with templating support: Text, Barcode (Code 128), QR Code.

• Batch printing with CSV data.

• Print preview. You can see how your label will look like before printing.

• Print offset (#41)

• Print with OS printer (Chrome print dialog). *

  • Currently have some DPI problems so images may be blurry. Currently I don't know how to fix it.

• Remember your most used print preview dialog parameters.

• Print without preview if printer is connected (use saved parameters).

• Post-processing algorithms (Threshold, Dither) for image rasterization.

• Save/load label (localStorage or file system).

• Save/load menu with thumbnails.

• Export label to PNG.

• Show localStorage used space, warn if data is too big.

• If printer exists in models library, some parameters will be suggested (label types, print direction, etc.).

• Experimental standalone apps:

  • Android (check Releases for apk).
  • iOS (#62).

• Firmware flasher. Collected firmwares are hosted here.

⚒ Todo

• Features list rework.
• Warn on unsaved changed.
• Vector objects controls (stroke width, fill, ect.).
• Maybe discard selection by clicking on page background.
• Printer settings menu (debug menu rework).
• Variables menu.
• Rework canvas scaling.
• Font autosize.
• Implement multi-page prints natively.
• DPI selector in label settings.
• Insert images with dropping on canvas.
• Set what pages to print in multi-page prints (CSV).
• Make app work offline (service workers).
• Maybe migrate to svelte 5.
• Maybe importing .jcps labels.
• UI/UX improvements. If you have any proposals - feel free to create an issue or pull request.
• The rest of what I've forgotten.

🐞Bugs

• Packets not sending anymore in certain situations (after print cancel, on error).
• Inserted icon is not vertically centered.
• Added element invisible sometimes.

* Implemented partially or needs some tweaks.

See niimbluelib (hardware interface) features here.

Why this name

I originally wanted to just create a library to work with NIIMBOT printers via Web Bluetooth. So the name came up with NIIMBOT Bluetooth (lib). Later I decided to make a complete application and split the project into two: NiimBlue and NiimBlueLib.

Other info

Running own instance with Docker

Testing with Arch linux (Artix for example)

niimbluelib docs (NIIMBOT protocol and API)

Discord Chat (troubleshooting, testing and other)