100% Free
All tools are completely free to use. No hidden fees, no credit card required. Get 10 free OCR uses per day with Google login.
AI2Paper
Free AI-Powered Academic Tools
100% free tools for researchers, students, and academics. No registration required for basic features.
Extract text from images with our free OCR tool, validate academic references, and streamline your research workflow.
Why Choose AI2Paper?
AI-Powered
Powered by DeepSeek OCR, our tools deliver state-of-the-art accuracy for text extraction, including complex math formulas and tables.
Privacy First
Your images and documents are processed securely and never stored. We respect your academic privacy.
Our Free Academic Tools
Free DeepSeek OCR
Free - No SignupExtract text from images using advanced AI. Our free OCR tool supports multiple images, mathematical formulas, tables, and outputs in plain text or Markdown format.
- ✓ Free multi-image batch processing
- ✓ Markdown output support
- ✓ Math formulas & LaTeX recognition
- ✓ 10 free uses per day with login
- ✓ Unlimited with your own API key
Try Free OCR Now
Free Reference Validator
100% FreeValidate your academic references and citations for free. Check if DOIs exist, verify publication details, and ensure your bibliography is accurate.
- ✓ Free DOI validation
- ✓ Citation format checking
- ✓ Batch processing
- ✓ Export corrected references
- ✓ No registration required
Validate References Free
Codon Magic
Fun & FreeTurn text into DNA codon sequences and create biology puzzles. Challenge your friends to decode secret messages using the genetic code table!
- ✓ Text to codon encoding
- ✓ Codon to text decoding
- ✓ Beautiful flashcards
- ✓ Save your own cards
- ✓ Bilingual (EN/中文)
Try Codon Magic
Frequently Asked Questions
Is AI2Paper really free?
Yes! AI2Paper offers free access to all tools. The OCR tool provides 10 free uses per day when you sign in with Google. If you have your own API key, you get unlimited free usage. The Reference Validator is completely free with no limits.
What types of images can the free OCR tool process?
Our free OCR tool supports PNG, JPG, JPEG, GIF, and WebP formats. It excels at extracting text from academic papers, handwritten notes, mathematical formulas, tables, and diagrams. Each image can be up to 20MB.
Do I need to create an account?
No account is required if you have your own API key. For free daily uses, you can sign in with Google to get 10 free OCR uses per day. The Reference Validator requires no login at all.
Is my data secure?
Yes. We do not store your uploaded images or extracted text. All processing is done in real-time, and your data is deleted immediately after processing. We respect your academic privacy.