Overall Winner

Upscayl

beats Waifu2x by 16 points

Waifu2x 39/100
Upscayl 🏆 55/100
Waifu2x

Waifu2x

Free

VS
Upscayl

Upscayl

Free

The verdict

Upscayl wins overall (55 vs 38). The go-to free image upscaler for privacy-first local processing Free open-source upscaler that works, but technology has moved on

Score breakdown

Dimension
Waifu2x
Upscayl
Price & Value
★★★★★
★★★★★
Features
★★☆☆☆
★★★★☆ wins
Ease of Use
★★★☆☆
★★★☆☆
Reviews
★★☆☆☆
★★★★☆ wins

Each dimension rated 1–5. Higher is better across all four.

What users say

Waifu2x

"Free open-source upscaler that works, but technology has moved on"

Pros

Completely free and open source Good for anime-style images Simple to use

Upscayl

"The go-to free image upscaler for privacy-first local processing"

Pros

Completely free and open source Privacy-first with local processing Best free option by consensus

When to Choose Each

Choose Upscayl if you want a free, privacy-first upscaler that processes locally. The go-to free image upscaler for privacy-first local processing. Supports up to 16x upscaling. Fully open-source and free with no watermarks. Processes everything locally — no cloud uploads required. Trade-off: quality varies by model selection.

Choose Waifu2x if you want a free, privacy-first upscaler that processes locally. Free open-source upscaler that works, but technology has moved on. Fully open-source and free with no watermarks. Processes everything locally — no cloud uploads required. Trade-off: dated technology.

Key Differences

DimensionUpscaylWaifu2x
Overall Score55/10038/100
PriceFreeFree
Upscale Factor16xN/A
Max OutputN/AN/A
AI ModelsN/AN/A
Batch ProcessingYesNo
APINoNo
Offline ModeYesYes
Open SourceYesYes
PlatformsWindows, macOS, Linux, WebWeb, Desktop

Pricing & value

Metric Waifu2x Upscayl Winner
Free tier Yes Yes Tie
Starting price Free Free Waifu2x
Is Upscayl better than Waifu2x?
Upscayl scores 55/100 vs Waifu2x at 38/100 in our evaluation. Upscayl wins on overall value, while Waifu2x has its own strengths. The best choice depends on your specific needs and budget.
Are both tools free?
Yes, both Upscayl and Waifu2x are free. Upscayl scores higher due to better features and user experience. For zero-cost upscaling, both are excellent choices.

Our pick

🏆 Upscayl