Lampka
a Windows PDF reader whose dark mode keeps figures in colour
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HN · launched Nov 14, 2026 · 9 upvotes (top 44%) · 0 views
Niche: ebook and reading apps · 190 launches, 18 in the last 7 days ▼ -33% · Explore this niche →
Category and tags
- Horizontal
- Workflow automation
- Prosumer
- Not AI
- Commercial product
Visit website ↗ Source listing ↗
More like this: all 190 launches in ebook and reading apps →
Could you build this?
Yes A Windows PDF viewer can use PDFium or pdf.js for rendering, and a dark mode that keeps images in colour is a rendering filter applied per region, which is a known technique.
Discussion
1 comment analyzed.
Competitors
Other products that read as similar to this one : 1660 launches clear the similarity bar, closest 8 shown.
Attention rank: #740 of 1661 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 379 days after the earliest competitor.
- portable · github · 2026-11-09 · 34 upvotes · similarity 0.72
- folio · github · 2026-10-26 · 129 upvotes · similarity 0.72
- foxit-pdf-creator · github · 2026-11-10 · 101 upvotes · similarity 0.60
- Emboss · hn · 2026-07-30 · 6 upvotes · similarity 0.60
- papilot · github · 2026-10-26 · 34 upvotes · similarity 0.60
- Rubrol · hn · 2026-09-19 · 14 upvotes · similarity 0.59
- A graph paper generator that renders vector PDFs in the browser · hn · 2026-07-02 · 107 upvotes · similarity 0.59
- memo-book-desktop · github · 2026-11-10 · 102 upvotes · similarity 0.56
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.