Isaac Newton Portrait ASCII Art
The 1689 portrait of Isaac Newton after Godfrey Kneller: long gray hair framing the face, a white shirt open at the neck and a brown robe, with one hand resting on a ledge in the lower left
Isaac Newton, 1689: the pale face sits inside a frame of long gray hair, which reads as a lighter halo against the dark background. At 100 columns the brown robe flattens into dark mid-tones, the open white shirt is a short lighter strip below the chin, and the hand in the lower left is a small pale shape. Painting after Godfrey Kneller (Isaac Newton Institute, Cambridge); ASCII conversion by this site.
Built Standard preview: 100 columns by 66 rows. Each result card lists its recipe. Select the text below to copy it without JavaScript.
View the conversion source
Source and reuse rights: documented; owner review pending
The conversion-source link provides the file used to make this example, not permission to redistribute it.
View bundled original file- Original source
- Wikimedia Commons reproduction of a historical portrait painting. Evidence link Evidence: Exact file record and SHA-1 checked October 27, 2026 UTC. Downloaded unchanged: https://upload.wikimedia.org/wikipedia/commons/3/3b/Portrait_of_Sir_Isaac_Newton%2C_1689.jpg.
- File creator
- Oil painting of Isaac Newton after Godfrey Kneller's 1689 portrait, Isaac Newton Institute for Mathematical Sciences, Cambridge (Wikidata Q121411536). Wikidata credits Kneller (1646-1723); another Commons record of this canvas describes it as a copy by James Thornhill (1675-1734). A digital reproduction, not new artwork. Evidence link Evidence: Creator, date and source are taken from the exact Commons file record; the subject is not the copyright owner of the portrait..
- License or terms
- Public-domain painting and faithful two-dimensional reproduction. Evidence link Evidence: Whether painted by Godfrey Kneller (died 1723) or copied by James Thornhill (died 1734), the painting is centuries out of copyright under any life-plus-70 or pre-1931 rule; the exact record is tagged PD-Art with PD-old-auto-expired, and the file is a faithful two-dimensional reproduction. The exact file record lists no additional restrictions. Credits are retained voluntarily. Use as an educational conversion example implies no endorsement by the subject, estate, photographer, institution or employer; this does not clear other portraits of the same person..
- Preparation
- The bundled file is the unchanged Commons original. Sharp applies orientation and sRGB/Lanczos3 sampling for thumbnails and the 100-column Standard preview. The ASCII is a lossy conversion by this site; no image regions are reconstructed. Evidence: scripts/build-example-previews.cjs; exact source and sampled-raster SHA-256 hashes in lib/generated/example-previews.json.
Owner review: PENDING. The exact-file portrait evidence is documented for owner review; it does not clear unrelated portraits, merchandise, or uses implying endorsement or affiliation.
Standard ASCII
Standard ASCII Art: 100 columns; rows = max(1, round(columns × source height / source width × 0.55)).
Character ramp: @%#*+=-:. (including a final space).
Brightness 100%, contrast 100%, saturation 100%, hue 0, sepia 0%, inversion off. Dithering: none.
Open this recipe in the editor to keep this source, mode and settings. Browser resampling and fonts can differ from the built preview. Copy/TXT retain text; PNG uses black text on white at 12 px monospace, at least 1.2 line spacing and 20 px padding, independent of screen theme.
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Checking destination fit...
README and chat presets use printable ASCII. Unicode blocks and edge lines need matching font support; emoji can occupy different widths on another device. PNG keeps this browser's rendering, not another app's emoji style.
Sharing ASCII art in Telegram? Check monospace formatting and wrapping before sending. Ordinary chat formatting and Bot API HTML are different.
Edge detection
Edge Detection Only: 100 columns; rows = max(1, round(columns × source height / source width × 0.55)).
Edge Intensity: 1. Uses directional Unicode lines, not the selected character ramp.
Brightness 100%, contrast 100%, saturation 100%, hue 0, sepia 0%, inversion off. Dithering does not apply to this mode.
Open this recipe in the editor to keep this source, mode and settings. Browser resampling and fonts can differ from the built preview. Copy/TXT retain text; PNG uses black text on white at 12 px monospace, at least 1.2 line spacing and 20 px padding, independent of screen theme.
Character Optimization matches local glyph shapes in 4x8 cells at 8 px monospace. Compare texture with Standard; it is not a universal quality improvement, and your display font does not change the matching font.
Character Optimization
Character Optimization: 100 columns; rows = max(1, round(columns × source height / source width × 0.55)).
Character ramp: @%#*+=-:. (including a final space).
Brightness 100%, contrast 100%, saturation 100%, hue 0, sepia 0%, inversion off. Dithering: none.
Open this recipe in the editor to keep this source, mode and settings. Browser resampling and fonts can differ from the built preview. Copy/TXT retain text; PNG uses black text on white at 12 px monospace, at least 1.2 line spacing and 20 px padding, independent of screen theme.
Mosaic comparisons use 15 symbol columns, not the 100 columns of the character modes. The detailed recipe increases contrast to 150%; choose Coarse mosaic in the editor for the original five-column style.
Detailed emoji mosaic
Emoji Mosaic: sampling width 60, Emoji Size 4, squares set, transparent-cell symbol "⬜". Final columns = ceil(width / Emoji Size); rows depend on source aspect ratio.
Brightness 100%, contrast 150%, saturation 100%, hue 0, sepia 0%, inversion off. Dithering does not apply to this mode.
Open this recipe in the editor to keep this source, mode and settings. Browser resampling and fonts can differ from the built preview. Copy/TXT retain text; PNG uses black text on white at 12 px monospace, at least 1.2 line spacing and 20 px padding, independent of screen theme.
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