einktools

Free · PNG · Exact size

Boox lock screen makerLeaf, Go, Palma & Note Air.

Boox allows custom sleep screens from any image, but unedited phone photos often stretch, crop awkwardly, or look muddy in grayscale. This tool crops your picture to your device's exact resolution and optimizes contrast for e-ink.

  • Pixel-perfect fit with no black bars
  • True e-ink preview
  • Photos never leave your device
Loading preview…
  • Boox Leaf5 · Leaf3 · Page
  • 1264 × 1680
  • 16 grays
  • .png

Drag the photo to reposition · live preview matches your screen

Sample: The Great Wave, Hokusai (public domain)

No picture that fits? Browse free artworks →

Don't see your model? Take a screenshot on your reader to find its pixel size (on Kindle, tap opposite corners simultaneously), then choose Custom.

Fit
100%
0
15
Look

All the grays your screen can show. Closest to the original.

25
  1. Copy the PNG to your Boox (USB cable, BooxDrop or cloud storage).
  2. Open Settings, find the screensaver (sleep screen) option and pick the image.

Something not working, or an idea? Tell us. We read everything.

How it works

  1. The maker with a Kindle Paperwhite selected, the photo shown inside a to-scale device frame
    1

    Pick your Boox

    Leaf, Page, Go, Note Air, Tab Ultra, Palma and P6 Pro, each at its native resolution. Color models keep their colors.

  2. Dragging a quote on the preview, with the center guide line snapped
    2

    Frame and tune

    Drag to reposition, then adjust brightness and contrast while watching the grayscale preview.

  3. The download button and the install steps for the selected Kindle
    3

    Set it as the sleep screen

    Copy the PNG to your Boox and choose it in the screensaver settings.

Common questions

›What size should a Boox wallpaper be?

Leaf5, Leaf3, Page, Go 7 and Go Color 7: 1264×1680. Go 6: 1072×1448. Go 10.3, Note Air4 C and Tab Ultra C Pro: 1860×2480. Palma 2 and P6 Pro: 824×1648.

›Does Boox need a special file format?

No, a regular PNG works. What matters is the size, and tuning contrast for grayscale.

›Is it free?

Yes. Boox files are free, with no watermark, and your photo never leaves your browser.