SnapMark for Supernote

Turn what's on your screen into a note you can write on, in one tap.

SnapMark is a free, open-source plugin for Supernote e-ink devices. Website: snapmark.ink.

• Snap page (in a PDF or EPUB): the page becomes a new note, with your handwriting copied as editable ink, highlights kept, and a ↩ link back to the page.
• Snap region: drag a box (or tap two corners) over a paragraph, verse or chart. Just that part goes at the top of a new note, enlarged, with room to write below. From a PDF, your ink inside the box stays editable.
• Floating capture button: a small button that floats over every app (Kindle, the browser, a PDF, anything). Tap it, drag a box (or keep the whole screen), and about a second later you're writing on a note made from it.
• Annotate screenshot: a Supernote screenshot becomes a new note.
• Insert screenshot: a screenshot goes onto the page you're on, as a picture.
• Export page as PNG: the current note page, with your writing, saved as an image.
• Paste into your note (optional): a region snap goes onto the page of the note you're working in, with your handwriting as real ink and a link back to the PDF page.
• Snaps inbox (optional): collect every snap as the next page of one notebook instead of a note each.
• Notes for this page: one note per PDF or EPUB page, made the first time you tap it (the page small at the top, room to write) and reopened every time after.
• Capture queue: box several parts while you read (tap Queue), then paste them all into your note at once, with their ink and links.
• Searchable snaps: a snap from a PDF or EPUB carries a Book p. N keyword and the text it shows (on a hidden layer), so Supernote's Search finds it.
• Undo last snap (in Notes): takes back the last paste or inbox page.

Everything stays on your device: no account, no internet access.

Download and install

1. Download SnapMark-v<version>.snplg from the latest release.
2. Copy it into the MyStyle folder on your Supernote (USB or the Partner app).
3. On the device: Settings → Apps → Plugins → Choose Installation Package and pick the file.

How-to guide: every feature, the settings, updating, privacy, troubleshooting.

Requirements: firmware with plugin support (Chauvet 3.29.43 or later on Manta and Nomad, 2.26.40 or later on A5 X and A6 X). Since 0.13.0 SnapMark is built with Supernote's plugin library 0.1.65, which every firmware with plugin support accepts; if yours still says SnapMark "is not compatible with the current system version", please report it. Works on the Manta and the Nomad: every release is tested on a Manta, and a Nomad owner has confirmed it there. The A5 X and A6 X should work but are untested.

For developers

• Building: the plugin's source and build instructions are in SnapMark/. It's React Native 0.79 with sn-plugin-lib, plus a small Java module for the floating button and screen capture.
• Design notes: SPIKES.md records the experiments behind every design decision, including undocumented PluginHost behaviour, which may be useful if you write your own plugin. SPEC.md is the original plan.

Support

SnapMark is free. If it saves you time, you can buy me a coffee on Ko-fi.

Credits and license

• License: MIT, see LICENSE.
• Credits: the floating button's overlay technique comes from SuperDashboard (MIT); see THIRD_PARTY_NOTICES.md.
• Not official: SnapMark is an independent project, not affiliated with or endorsed by Ratta / Supernote.