kitio.aiBigjpg vs Nightmare AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Bigjpg starts at See pricing page and Nightmare AI starts at $10/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Up to 16x enlargement
- Artwork and photo modes
- Noise reduction
- Batch processing
- Desktop and mobile apps
- Image upscaling to 4K
- Old photo restoration
- Anime upscaler
- Image enhancer
- Ghibli-style conversion
| Feature | Bigjpg | Nightmare AI |
|---|---|---|
| Best for | AI image enlarger tuned for anime, illustrations and photos | Upscale, sharpen and restore photos and anime images online |
| Category | Image | Image |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $10/mo |
| Free plan | Yes | Yes |
| Made by | Bigjpg | Nightmare AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Bigjpg starts at See pricing page and Nightmare AI starts at $10/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Basic
$10/mo
- 100 credits
- Upscale to 2K and 4K
- Restore old photos
- No ads
Standard
$20/mo
- 300 credits
- Everything in Basic
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Bigjpg
- Excellent on line art
- High enlargement factors
- Simple to use
- Photos less impressive
- Slow queue on free
- Dated interface
Nightmare AI
- Handles photos and anime or cartoon art
- Free try without installing anything
- Yearly plans cut the price
- Credits cap the number of upscales
- Free output limits not clearly stated
- Only handles JPG, PNG and WebP
Which one should you choose?
Choose Bigjpg if you want:
- Excellent on line art
- High enlargement factors
- Simple to use
Watch out: photos less impressive.
Choose Nightmare AI if you want:
- Handles photos and anime or cartoon art
- Free try without installing anything
- Yearly plans cut the price
Watch out: credits cap the number of upscales.
Bigjpg vs Nightmare AI FAQ
What is the difference between Bigjpg and Nightmare AI?
Bigjpg: AI image enlarger tuned for anime, illustrations and photos. Nightmare AI: Upscale, sharpen and restore photos and anime images online. Both are image tools.
Is Bigjpg or Nightmare AI cheaper?
Bigjpg starts at See pricing page and Nightmare AI starts at $10/mo. Check both pricing pages for current plans.
Do Bigjpg and Nightmare AI have free plans?
Bigjpg: Yes. Nightmare AI: Yes.
Who makes Bigjpg?
Bigjpg is made by Bigjpg.
Who makes Nightmare AI?
Nightmare AI is made by Nightmare AI.
Which should I choose, Bigjpg or Nightmare AI?
Choose Bigjpg if you value excellent on line art and high enlargement factors. Choose Nightmare AI if you value handles photos and anime or cartoon art and free try without installing anything.