Merge PDF Online — Free & Fast
Combine multiple PDFs or images into one secure document. No upload to server — processed locally in your browser.
📂 Drag & Drop PDF or Image files here
or click to upload
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📘 How to Use
1️⃣ Upload Files
Drag or select multiple PDFs or images from your device.
2️⃣ Choose Quality
Select compression quality or concurrency for performance.
3️⃣ Merge & Download
Click “Merge Files” and get your combined PDF instantly.
❓ Frequently Asked Questions
1. Is ToolToast Merge PDF free?
Yes! 100% free and works directly in your browser.
2. Can I merge images too?
Yes, you can combine images (JPG, PNG) and PDFs together.
3. Is my data secure?
All merging happens locally — no upload or server-side processing.
4. What quality should I choose?
“High” reduces file size more; “Low” preserves original quality.
5. Can I merge multiple PDFs?
Yes, simply drag and drop all files into the zone.
6. Does it work offline?
Yes! Once loaded, the page can function without internet.
7. What browsers are supported?
All modern browsers including Chrome, Edge, and Firefox.
8. Can I reorder files before merging?
Currently files are merged in upload order (future feature: drag reorder).
9. How long does merging take?
Depends on file count and quality setting — typically seconds.
10. How can I merge a PDF for free?
You can quickly merge PDFs for free with ToolToast. Simply upload PDF or image files from your device. Adjust the file order, select pages, and
click “🚀 Merge Files” to download your merged PDF or Image—all free!
🧠 How It Works
ToolToast’s Merge PDF tool runs 100% in your browser using pdf-lib — your files never leave your device. Just add PDFs or images, select your quality level, and merge them into one file instantly.