PDF Toolbox

Combine PDFs and images into one file, then shrink it down — right in your browser. Nothing is uploaded anywhere.

Drop files here, or click to browse

PDF · JPG · PNG · WEBP · GIF · BMP · TIFF — up to 50 MB each

How to Merge PDF Files, Convert Images to PDF, and Compress PDFs Online

Our free online PDF Merge & Compress Tool lets you combine multiple PDF files and images into a single high-quality PDF while reducing the final file size. Everything happens directly inside your web browser, so your files remain on your device throughout the entire process. No uploads, registration, or software installation are required.
How to Use This PDF Tool

1. Upload Your Files

Click the upload area or drag and drop your files into the tool. You can upload:
PDF
JPG
JPEG
PNG
WEBP
GIF
BMP
TIFF
You can upload multiple files together and arrange them in any order before processing.
2. Arrange Files
Drag and drop the uploaded files to change their order. The final PDF will follow the same sequence that you arrange.
3. Select Compression Level
Choose the compression option that best fits your needs.
Low Compression – Best quality with a slightly reduced file size.
Medium Compression – Good balance between quality and file size.
High Compression – Maximum file size reduction while maintaining readability.
Custom Size – Enter your desired output file size in MB, and the tool will attempt to generate a PDF close to your target size.
4. Merge and Compress
Click the Merge & Compress button. The tool will:
Merge all uploaded PDF documents.
Convert image files into PDF pages.
Combine everything into a single PDF.
Compress image-based pages to reduce the final file size.
Preserve the order you selected.
5. Download Your PDF
After processing is complete, download the newly created PDF instantly. The tool also displays:
Original file size
Final compressed size
Total percentage of file size reduction
Features
Merge multiple PDF files into one document.
Convert multiple images into a PDF.
Merge PDFs and images together.
Browser-based processing for enhanced privacy.
No file uploads to external servers.
No registration required.
Works on Windows, macOS, Linux, Android, and iPhone.
Drag-and-drop file reordering.
Multiple compression levels.
Custom target PDF size.
Fast processing directly in your browser.
Supports large collections of PDF and image files.
Mobile-friendly interface.
Free to use.
Supported File Formats
This tool supports the following file types:
PDF
JPG
JPEG
PNG
WEBP
GIF
BMP
TIFF
All supported image formats are automatically converted into PDF pages before being merged into the final document.
Why Use This PDF Merge & Compress Tool?
Unlike many online PDF tools, this utility processes your files directly in your browser instead of uploading them to a remote server. This helps protect sensitive documents while also providing faster processing for many workflows. It is ideal for combining scanned documents, office files, invoices, forms, assignments, reports, photographs, and other documents into a single compressed PDF that’s easier to store, email, print, or upload. Browser-based processing and clear task-specific pages align well with common user search intent for PDF workflows.