iSparta/iSparta
APNG、WebP converter observed · 2026-08-28
Health v2 · maintenance only
23/100
- Activity 0
- Release rhythm 8
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4333
- days_rel: n/a
- days_push: 947
- n_releases_24m: 0
Adoption not part of the score
1293 stars · 122 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
iSparta is a desktop GUI application built with Electron for converting and compressing images. It converts PNG sequences to APNG, converts PNG/GIF/APNG to (animated) WebP, and performs lossless or lossy compression of PNG and GIF files.
Use cases
- convert a sequence of pngs into an animated apng
- convert png or gif images to webp format
- convert apng animations to animated webp
- losslessly compress png and gif files to reduce size
- batch convert and compress images with custom frame rates and loop counts
When to choose
- you need a cross-platform GUI tool for APNG/WebP conversion without the command line
- you want to merge numbered PNG frames into an APNG with per-frame frame-rate control
- you need batch lossless compression of PNG/GIF assets
When to avoid
- you need command-line or CI automation rather than a desktop app
- you need video-to-APNG conversion (still on the to-do list)
- you require a project with an explicit open-source license
Facets
application · maturity maintenance
image-processing compression gui image-processing media cross-platform windows cross-platform apng webp png-conversion lossless-compression animated-images macos linux electron
2 sources
- readme: https://github.com/iSparta/iSparta · fetched 2026-08-28 · 13da0790feb3
- homepage: http://isparta.github.io/ · fetched 2026-08-29 · 6249c6f93122
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| iSparta/iSparta | main | 23 |
For agents
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem