WebPtoPNG
I built a WebP to PNG tool, everything runs in the browser
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I built WebPtoPNG after getting frustrated with converters that throttle uploads or phone data; everything runs straight in the browser, and never asks for a signup.
HN · launched Dec 24, 2025 · 22 upvotes (top 33%) · 0 views
Niche: browser-based file converters · 213 launches, 34 in the last 7 days ▲ +79% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- B2C
- Not AI
- Hobby / open-source project
Visit website ↗ Source listing ↗
More like this: all 213 launches in browser-based file converters →
Could you build this?
Yes It is a purely client-side static web application utilizing standard HTML5 Canvas or browser Web APIs to decode WebP and encode PNG files locally.
Discussion
19 comments analyzed.
Competitors mentioned: ImageMagick, ffmpeg, GIMP, Krita, picxstudio.com
Concerns raised: Website behavior changes on each visit, harder to vet than installed applications, Browser canvas readback operations add random noise (Firefox privacy feature), Requires browser WebP support, Professional design appears less trustworthy than minimal HTML forms, Limited functionality compared to full-featured image editors
Feature requests: Support more image formats beyond WebP and PNG, Simplify interface, reduce text to match SPA tool UX, Open-source APIs or integrations for third-party tools, ImageEncoder API for native browser support
Competitors
Other products that read as similar to this one : 446 launches clear the similarity bar, closest 8 shown.
Attention rank: #109 of 447 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 28 days after the earliest competitor.
- WebPinPNG · ph · 2026-11-05 · 2 upvotes · similarity 0.69
- WebP to PNG Converter · ph · 2026-10-03 · 2 upvotes · similarity 0.60
- Imgkeep · ph · 2026-10-03 · 3 upvotes · similarity 0.55
- Image Downloader - WebP, JPG, PNG · ph · 2026-09-15 · 1 upvotes · similarity 0.53
- Save2PNG · ph · 2026-10-28 · 1 upvotes · similarity 0.52
- Image Save · ph · 2026-10-18 · 2 upvotes · similarity 0.52
- ToolFlic · ph · 2026-11-03 · 1 upvotes · similarity 0.51
- ToolPixi · ph · 2026-10-19 · 1 upvotes · similarity 0.50
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.