PDF Merger
Commercial use OK
380+ models
No watermark
No sign-up needed
Model:
+ GPT-5, Claude, Gemini
Combine multiple PDFs into one. Drag the thumbnails to change page order. We read each file's page count locally so nothing gets uploaded twice and the cost is known before you hit merge.
Merged PDF ready
Advanced options
Result
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Merge multiple PDFs into one with free AI. Combine documents in seconds.
How to Use PDF Merger
1
Enter your input
Type text, upload a file, or describe what you want. No account needed.
2
Click generate
Our AI processes your request in seconds using the best open-source models.
3
Download & share
Download, copy, or share your result. Free for personal and commercial use.
Use this tool via API
Automate this tool from your own code. OpenAI-compatible REST endpoint, Bearer-token auth, no extra SDK required. Token costs match the web interface.
curl -X POST https://api.free.ai/v1/pdf/extract/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"file": "@document.pdf"}'Related Free AI Tools
PDF Merger — FAQ
PDF Merger on Free.ai is a powerful AI-powered tool that you can use completely free of charge. No sign up required to get started.
Yes! You get 2,500 free tokens per day to use PDF Merger and all other tools. Sign up for a free account to get 5,000 tokens/day. Buy more starting at $1.
PDF Merger uses state-of-the-art open-source AI models to deliver high-quality results. Your request is processed on our GPU servers and the result is returned in seconds.
No! You can use PDF Merger immediately without signing up. Creating a free account gives you 2x more daily usage and saves your history.
Anonymous users get 2,500 tokens/day. Free accounts get 5,000 tokens/day. Tokens reset every 24 hours. Each tool costs ~100-5,000 tokens per use depending on the operation.
Your data is processed securely on our servers and is not stored permanently unless you choose to save it. We do not sell or share your data.
Yes! Content generated by PDF Merger is yours to use for personal and commercial purposes. Our AI models are all commercially licensed.
PDF Merger on Free.ai delivers comparable quality to paid services using the latest open-source AI models. We believe powerful AI should be accessible to everyone.
PDF Merger uses best-in-class open-source AI models including Qwen 2.5, FLUX, Whisper, and more. We regularly update to the latest models.
Yes! PDF Merger works perfectly on mobile devices. Our responsive design adapts to any screen size.
Sign up for a free account to get 5,000 tokens/day (2x more). Or buy token packs starting at $5 for 200,000 tokens. See /pricing/ for all options.
Yes! After generating content, you can download it, copy it, or share it via a unique link. Signed-in users can also view their generation history.
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