kitio.aiPDF Guru vs SiteExplainer
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. SiteExplainer is completely free, while PDF Guru is free trial.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- AI PDF summarizer
- Chat with a PDF
- PDF editing and signing
- File conversion
- Fillable forms and templates
- Plain-English site summaries
- URL-prefix shortcut
- Permanent shareable pages
- Cached explanations
| Feature | PDF Guru | SiteExplainer |
|---|---|---|
| Best for | Online PDF editor with an AI summarizer and document chat | Explains in plain English what any website actually does |
| Category | Productivity | Productivity |
| Pricing model | Free trial | Free |
| Starting price | See pricing page | Free |
| Free plan | No, trial available | Yes, fully free |
| Made by | PDF Guru | SiteExplainer |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
SiteExplainer is completely free, while PDF Guru is free trial.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
PDF Guru
- Handles long PDFs up to 100MB
- Full PDF toolkit alongside the AI
- Available in many languages
- Only the first file is free
- Subscription prices are not shown up front
- AI chat is limited to three questions free
SiteExplainer
- Free and needs no account
- Works straight from the address bar
- Code is open on GitHub
- Only reads the page you give it
- Summaries can miss or misread details
- Rate limits apply
Which one should you choose?
Choose PDF Guru if you want:
- Handles long PDFs up to 100MB
- Full PDF toolkit alongside the AI
- Available in many languages
Watch out: only the first file is free.
Choose SiteExplainer if you want:
- Free and needs no account
- Works straight from the address bar
- Code is open on GitHub
Watch out: only reads the page you give it.
PDF Guru vs SiteExplainer FAQ
What is the difference between PDF Guru and SiteExplainer?
PDF Guru: Online PDF editor with an AI summarizer and document chat. SiteExplainer: Explains in plain English what any website actually does. Both are productivity tools.
Is PDF Guru or SiteExplainer cheaper?
SiteExplainer is completely free, while PDF Guru is free trial.
Do PDF Guru and SiteExplainer have free plans?
PDF Guru: No, trial available. SiteExplainer: Yes, fully free.
Who makes PDF Guru?
PDF Guru is made by PDF Guru.
Who makes SiteExplainer?
SiteExplainer is made by SiteExplainer.
Which should I choose, PDF Guru or SiteExplainer?
Choose PDF Guru if you value handles long pdfs up to 100mb and full pdf toolkit alongside the ai. Choose SiteExplainer if you value free and needs no account and works straight from the address bar.