📖 Description

PDF, as a globally accepted document format, offers unparalleled advantages in data transmission:

Cross-platform Compatibility: Whether on mobile, tablet, or computer, the layout and content of a PDF remain consistent, preventing image misalignment.
Easy Transmission and Archiving: Merging dozens of scattered images into a single file not only facilitates emailing or social sharing but also aids long-term preservation.
Formal and Professional: When submitting resumes, scanned contracts, or academic assignments, the PDF format appears more professional than a collection of separate images.
File Size Optimization: The tool automatically optimizes resources during conversion, resulting in a merged document that is smaller in size while maintaining clarity.

This site's tool provides a minimalist and flexible conversion experience through a powerful front-end rendering engine:

Multi-format Compatibility: Supports mixed uploads of formats like $JPG, PNG, BMP, WebP$, and $TIFF$.
Flexible Sorting: Supports dragging and dropping images to adjust order before conversion, ensuring PDF pages are arranged logically.

Paper Size: Offers standard paper sizes like A4, Letter, and also supports generating pages based on the original image proportions.
Margin Settings: Choose from "No Margins," "Narrow Margins," or "Wide Margins" to meet different printing and reading needs.
Automatic Orientation: Automatically detects image orientation (portrait/landscape) or allows manual setting to a uniform portrait or landscape layout.

Local Processing: The core technology utilizes browser-side synthesis, images do not need to be uploaded to a server. The entire conversion process is completed on your device, absolutely protecting the security of private information such as ID photos and contracts.

Quality Control: Allows users to customize output quality, freely balancing between "High-Definition Lossless" and "Compressed Size."

Scenario	Recommended Operation	Benefit
Document Upload	Merge front/back photos of an ID card	Meets the "single PDF file" upload requirement for government or bank systems.
Resume/Portfolio	Merge personal photo + work screenshots	Creates a professionally formatted, easy-to-read job application document.
Study Material Archiving	Merge photos of textbooks, handwritten notes	Facilitates digital review and supports note-taking within PDF readers.
Paper Contract Digitization	Convert scans/phone photos to PDF	Convenient for adding e-signatures or formal email transmission.

Add Images: Click the upload area or directly drag multiple images into the browser.
Adjust Order: Preview and drag thumbnails to arrange them in your desired page sequence.
Parameter Settings: Select paper size (e.g., A4) and page orientation.
Start Conversion: Click "Generate PDF," and the system will synthesize it locally in an instant.
Save & Download: After previewing and confirming, click "Save" to obtain the PDF document.

Lightning-Fast Response: Leveraging high-performance front-end libraries, merging dozens of images takes only seconds.
Zero Privacy Risk: Commits to not storing any user images, making it the best choice for handling sensitive materials.
Clean & Watermark-Free: Generated PDF documents contain no third-party logos or advertisement watermarks.
Completely Free: No registration required, unlimited conversions, providing you with an efficient public welfare tool service.

Image to PDF Converter