ImageOptim
Better save for web
ThinkDiffusion
Think Diffusion - Your Personal A.I. Art Lab
Updated February 2026
| ImageOptim | ThinkDiffusion | |
|---|---|---|
| Rating | 4.8★ | 5.0★ |
| Reviews | 4 | 8 |
| Pros | 0 | 9 |
| FactScore™ | 33.2 | 47.7 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in ImageOptim — Pros
No unique pros listedBoth tools — Pros
—Only in ThinkDiffusion — Pros
Excellent support Cloud-based Full featured workspace Discord support Easy to use Fast performance File management No hardware requirements Supports major extensionsOnly in ImageOptim — Cons
—Both tools — Cons
—Only in ThinkDiffusion — Cons
Billing issuesDetails
| ImageOptim | ThinkDiffusion | |
|---|---|---|
| Categories | Photo editing | Photo editing, AI Generative Media, Graphic design tools |
| Platforms | Web | Web |
| Became Popular | October 2, 2014 | November 1, 2023 |
| Website | imageoptim.com | www.thinkdiffusion.com |
Who Should Pick Which?
Choose ImageOptim if...
- No unique pros listed
Choose ThinkDiffusion if...
- Excellent support
- Cloud-based
- Full featured workspace
With a FactScore™ of 33.2 vs 47.7, ThinkDiffusion leads in community reception. ImageOptim uniquely offers No unique pros listed, while ThinkDiffusion stands out for Excellent support and Cloud-based.
What Users Say
ImageOptim
You know, to keep images small
I adore this app. Makes image compression a breeze. Is highly configurable without being complicated, and produces astonishing results if you are patient and willing to experiment to find the right...
Fast, reliable, easy to use. I would give it 5 stars if it didn't automatically overwrite the source files. I typically have to duplicate my files before running them through ImageOptim just in cas...
ThinkDiffusion
The team is awesome, amazing support, and Think Diffusion is just the best in class full featured workspace for Stable Diffusion supporting all the major extensions and workflows.
Best AI art generator I ever used, top models, features and really fast!
Stable Diffusion AI tools on the cloud. AI for everyone!
Related Comparisons
Frequently Asked Questions
Which is better, ImageOptim or ThinkDiffusion?
Based on FactScore™, ThinkDiffusion leads with a score of 47.7 vs 33.2. ThinkDiffusion has a higher rating of 5.0★ compared to 4.8★.
What are the pros of ImageOptim compared to ThinkDiffusion?
ImageOptim uniquely offers: No unique pros listed.
What are the pros of ThinkDiffusion compared to ImageOptim?
ThinkDiffusion uniquely offers: Excellent support, Cloud-based, Full featured workspace, Discord support, Easy to use.
Is ImageOptim better rated than ThinkDiffusion?
ImageOptim is rated 4.8★ from 4 reviews. ThinkDiffusion is rated 5.0★ from 8 reviews.
What is the FactScore™ of ImageOptim and ThinkDiffusion?
FactScore™ weighs rating and review volume together. ImageOptim scores 33.2 and ThinkDiffusion scores 47.7.
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