AI Summarizer
AI Summarizer online for free. AI Summarizer files securely in your web browser. No registration, no ads, and no uploads required. Your privacy is guaranteed.
OpenRouter API Key
Required for AI summarization • Get a free key →
Your key is never stored — it's sent directly for this session only. Model: openrouter/free
Drag & drop your PDF here
or click to browse — works best with text-based PDFs
Max file size: 100 MB
How it works
Upload your PDF
We extract all text content from your document locally.
AI Analysis
The extracted text is securely processed via OpenRouter's Gemini model.
Structured Summary
Get an overview, key points, topics, complexity metrics, and action items.
Export Results
Copy the output to your clipboard or download it as a text file.
How to AI Summarizer online for free
Drag and drop or upload your file into the AI Summarizer tool.
Configure any available settings or options to your liking.
Click the 'AI Summarizer' button to process your document on your device.
Wait for the processing to finish and download your file instantly.
Features of our AI Summarizer tool
100% Privacy & Security
All processing occurs locally in your browser using WebAssembly. Your files never leave your computer.
Fast & Free
Instant processing with zero wait times. No subscriptions, limitations, or hidden costs.
No Installation Needed
Access PDFCraft from any modern browser on Windows, Mac, Linux, iOS, or Android.
High Fidelity
Our client-side rendering engines maintain high quality, formatting, and layout styles.
Frequently Asked Questions
Is the AI Summarizer tool free to use?▼
Yes, PDFCraft's AI Summarizer is 100% free with no daily limits, watermarks, or user account registrations required.
Are my files uploaded to any servers?▼
No. PDFCraft is built on a local-first architecture. All PDF processing happens inside your web browser using client-side JavaScript, ensuring maximum security.
What browsers are supported?▼
We support all modern browsers, including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge, and mobile browsers on iOS and Android.