Textmode Overlay by humanbydefinition

Click the extension, pick a canvas or video, and a live ASCII/textmode layer appears directly on top of the original media - aligned, adjustable, stylized, exportable, and removable at any time.

Built with textmode.js.

─── HOW IT WORKS

1 Click the [Textmode Overlay] icon in your toolbar
2 Click "select media" in the overlay panel
3 Hover any visible canvas or video element
4 Click the element to create the overlay
5 Adjust settings, add post-fx filters, export, remove it, or replace the selected media anytime

─── OVERLAY CONTROLS

▸ overlay show or pause the overlay
▸ opacity blend the overlay with the original
▸ font size control character density (1-64 px)
▸ invert swap character and cell colors
▸ character color sample from the source or use a fixed color
▸ cell color sample from the source or use a fixed color
▸ glyph ramp choose the characters used for shading
▸ font choose bundled fonts or upload your own TTF/OTF fonts

─── POST-FX FILTERS

▸ post fx tab open the filter stack in the overlay panel
▸ enable / disable toggle filters on or off at any time
▸ reorder drag filters to change processing order
▸ adjust properties expand a filter row and tune its controls live

─── EXPORT OPTIONS

▸ TXT plain-text character grid
▸ SVG scalable vector snapshot
▸ PNG raster image export
▸ JPG compressed raster export

─── SMART SETTINGS

Textmode Overlay remembers your last-used overlay preset for each domain, so when you come back to the same site your preferred settings are ready again.

─── PRIVACY & PERMISSIONS

Textmode Overlay runs only after you click it. It works on the active tab, keeps processing local in your browser, and does not collect data.

Permissions used:
▸ activeTab operate only on the tab you invoke it on
▸ scripting inject the overlay runtime after your click
▸ storage remember your last-used settings for each domain

─── IMPORTANT NOTES

Some cross-origin, tainted, or protected media cannot be sampled due to normal browser security restrictions. The extension will show a clear message when this happens.

Uploaded fonts are local to your browser session and are not synced or shared.