kitio.aiLightPDF vs Copyfish
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Copyfish is completely free, while LightPDF is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Chat with PDF
- AI document summaries
- OCR
- PDF editing and conversion
- E-signatures
- Apps on all major platforms
- Text capture from images and video
- Built-in translation
- Chrome, Edge and Firefox versions
- Desktop screenshot reader
- Multiple OCR engines
| Feature | LightPDF | Copyfish |
|---|---|---|
| Best for | AI PDF editor for chatting with, summarizing and converting files | Free browser extension that grabs and translates text from images |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Free |
| Starting price | $5.99/mo | Free |
| Free plan | Yes | Yes, fully free |
| Made by | LightPDF | a9t9 software |
| Based in | – | Germany |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Copyfish is completely free, while LightPDF is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Web only
- 10MB maximum file size
- Selected features
Monthly
$5.99/mo
- Web, mobile and desktop
- Unlimited file size
- 1,000 AI credits per month
Yearly
$15.99/yr
- Web, mobile and desktop
- 1,000 AI credits per month
- 3-day free trial
Lifetime
$39.99 one-time
- One-time payment
- 40,000 AI credits until used
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LightPDF
- Low price for editing plus AI
- Works on web, desktop and mobile
- Lifetime license option
- Free plan is web only with a 10MB limit
- Monthly AI credits don't roll over
- AI tools spend credits per use
Copyfish
- Free and open source
- Works on video frames and PDFs
- Same features in every browser
- Desktop capture needs an extra helper app
- Captures one selection at a time, no batch OCR
- Relies on the OCR.space cloud service
Which one should you choose?
Choose LightPDF if you want:
- Low price for editing plus AI
- Works on web, desktop and mobile
- Lifetime license option
Watch out: free plan is web only with a 10mb limit.
Choose Copyfish if you want:
- Free and open source
- Works on video frames and PDFs
- Same features in every browser
Watch out: desktop capture needs an extra helper app.
LightPDF vs Copyfish FAQ
What is the difference between LightPDF and Copyfish?
LightPDF: AI PDF editor for chatting with, summarizing and converting files. Copyfish: Free browser extension that grabs and translates text from images. Both are productivity tools.
Is LightPDF or Copyfish cheaper?
Copyfish is completely free, while LightPDF is freemium.
Do LightPDF and Copyfish have free plans?
LightPDF: Yes. Copyfish: Yes, fully free.
Who makes LightPDF?
LightPDF is made by LightPDF.
Who makes Copyfish?
Copyfish is made by a9t9 software, based in Germany.
Which should I choose, LightPDF or Copyfish?
Choose LightPDF if you value low price for editing plus ai and works on web, desktop and mobile. Choose Copyfish if you value free and open source and works on video frames and pdfs.