Crystal Upscaler 💎
The fastest high-precision image upscaler. Sharp, natural details with 100% fidelity to the original.

Perfect for
- Product photos: e-commerce, packshots, marketplace images
- Fashion: fabrics, textures, model shots
- Architecture & real estate: interiors, exteriors, renderings
- Portraits & faces: no plastic skin, no identity changes
- AI-generated images: Midjourney, Flux, Nano Banana and more
Speed
Median generation time on Replicate, 2x upscale:
| Output | Time |
|---|---|
| 1K | 1.5 s |
| 2K | 1.7 s |
| 4K | 1.8 s |
| 8K | 4.3 s |
| 10K | 5.8 s |
The fastest 4K upscaler on Replicate in our speed benchmark.
Max resolution
Up to 1.5 gigapixel output. From a normal 1 MP photo that’s up to ~39x, see the resolution benchmark.
Example
| Before | After (6x) |
|---|---|
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Inputs
| Parameter | Type | Default | Description |
|---|---|---|---|
image |
image | – | Image to upscale (JPG, PNG, WebP) |
scale_factor |
number | 2 | Upscale factor |
output_format |
string | png | png or jpg |
Video
Need video? Use the Crystal Video Upscaler. 1080p upscaling runs in real time.
More
Built by @philz1337x, creator of Clarity AI Also on fal · API with $5 free credits at clarityai.co/api
Model created
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