G2 Icon Studio

① Image → 1-bit

Drop image / click to choose
PNG · JPG · SVG · re-edit an existing icon.png

Threshold 128

Brightness 0

Contrast 0

Dither

Fit

Dark areas = ink (invert) Transparent → background (off)

Sliders preview live. “Bake” commits the result to the editable grid (then fine-tune with the pen).

② Preview & guides

On white

On black

G2 (green)

Actual 1×

Official QA: “legible — no ‘black scribble’ or noisy patterns.” Aim for roughly 12–55% ink coverage, few stray dots, 2px margin.

③ Export

Format preset

Rounded-corner mask (knock out corners)

Preview scale 10×

“Even Hub standard” outputs the accepted white-on-black (grayscale-valued) form. Need a transparent variant? Pick another preset. Autosaves in your browser.