Real glyph calibration
Characters are measured in the same monospace font used for the final output.
Free browser tool
A structure-aware renderer that matches real character shapes, tones, and edges—not just average brightness.
Characters are measured in the same monospace font used for the final output.
Each image cell is analyzed as a 4×6 light field to preserve contours and diagonals.
Preview, copied text, and PNG output all use the same selected glyph grid.