LightPDF
A free, simple PDF toolkit for Windows, Mac, Android and iOS
Playground AI
Stable diffusion level generation with 1000 free pics a day
Updated February 2026
| LightPDF | Playground AI | |
|---|---|---|
| Rating | 5.0★ | 4.3★ |
| Reviews | 11 | 10 |
| Pros | 20 | 11 |
| FactScore™ | 54 | 44.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in LightPDF — Pros
Conversion tools Editing tools Intuitive interface High-quality output AI-powered features Annotation tools Excellent customer support OCR support Secure file processing Batch processing Multi-platform support Wide range of file formats Document management No registration required Collaboration capabilities E-signatures Fillable PDF forms Password protectionBoth tools — Pros
Fast performance Free tierOnly in Playground AI — Pros
Easy to use Stable diffusion integration Advanced features Customer service Daily themes Filters Image generation Image variations Unique art generationOnly in LightPDF — Cons
—Both tools — Cons
—Only in Playground AI — Cons
Accuracy issues Limited redimensioning Missing upscale feature Reduced free image limit Safety filter issuesDetails
| LightPDF | Playground AI | |
|---|---|---|
| Categories | Productivity, Design & Creative | Design & Creative, AI Generative Media |
| Platforms | Web · iOS · Android | Web |
| Became Popular | January 24, 2018 | December 31, 2022 |
| Website | lightpdf.com | playgroundai.com |
Who Should Pick Which?
Choose LightPDF if...
- Conversion tools
- Editing tools
- Intuitive interface
Choose Playground AI if...
- Easy to use
- Stable diffusion integration
- Advanced features
With a FactScore™ of 54 vs 44.8, LightPDF leads in community reception. LightPDF uniquely offers Conversion tools and Editing tools, while Playground AI stands out for Easy to use and Stable diffusion integration.
What Users Say
LightPDF
Thank you so much, LightPDF is doing wonders!
I've been using LightPDF recently and am impressed with all the tools it offers for working with PDF files. This free and secure platform has features that go far beyond the basics: from conversion...
nmatched in its ability to edit PDFs, allowing you to modify text, images, and layouts seamlessly. Excel files can be converted to PDFs and vice versa, retaining full formatting, including tables a...
Playground AI
This is the previous Playground AI pricing i found on the web : PREVIOUSLY : Free account : 1000 images/day Pro : 2000 images/day Pro + : 8000 images/day CURRENTLY : Free : 500 images/day Pro : 100...
I like how accessible you've made text to image generation by adding a proper front-end to Stable Diffusion, yet preserving advanced features (such as exclusions, seeds, and models). I'm looking fo...
Playground is phenomenal, everything runs smoothly, updates all the time with the latest, customer service is always professional and unparalleled. Besides have a daily theme, trending and exciting...
Related Comparisons
Frequently Asked Questions
Which is better, LightPDF or Playground AI?
Based on FactScore™, LightPDF leads with a score of 54 vs 44.8. LightPDF has a higher rating of 5.0★ compared to 4.3★.
What are the pros of LightPDF compared to Playground AI?
LightPDF uniquely offers: Conversion tools, Editing tools, Intuitive interface, High-quality output, AI-powered features.
What are the pros of Playground AI compared to LightPDF?
Playground AI uniquely offers: Easy to use, Stable diffusion integration, Advanced features, Customer service, Daily themes.
Is LightPDF better rated than Playground AI?
LightPDF is rated 5.0★ from 11 reviews. Playground AI is rated 4.3★ from 10 reviews.
What is the FactScore™ of LightPDF and Playground AI?
FactScore™ weighs rating and review volume together. LightPDF scores 54 and Playground AI scores 44.8.
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