HDA Tools

Image Resizer

Intelligently resize images with percentage, exact dimensions, and preset sizes. Supports JPG/JPEG, PNG, WebP, AVIF, BMP formats.

Image Resizer - Select Your Files

Drag and drop files here or click to select

Maximum file size: 20 MB · Maximum file count: 100

Image Resize Tool Guide

Image resize tool is a free online tool that can intelligently resize images with percentage, exact dimensions, and preset sizes. Supports JPG/JPEG, PNG, WebP, AVIF, BMP formats. Supports batch resizing, all processing is done locally in the browser, files are not uploaded to the server, completely protecting your privacy and data security.

Multiple resize modes to meet different needs
100% local processing, privacy and security
Batch processing, fast and efficient

Tool Features

Multiple Resize Modes

Supports three resize modes: percentage, exact dimensions, and preset sizes. Percentage mode scales proportionally, exact dimensions mode allows you to specify target width and height, preset sizes mode provides quick selection of common sizes.

Smart Aspect Ratio Preservation

Supports maintaining original aspect ratio to avoid image distortion. You can choose to scale based on width or height, automatically calculating the other dimension. You can also choose not to maintain aspect ratio for free size adjustment.

Batch Processing and Format Conversion

Supports resizing multiple images simultaneously, can process multiple images at once. Supports converting images to different output formats (JPEG, PNG, WebP, AVIF, BMP). After resizing, you can download individually or package as ZIP file for batch download.

How to Use

  1. 1

    Select Image Files

    Click the select area or drag and drop your image files. The tool supports batch selection, up to 100 images at once, maximum 20MB per image. After selection, you can preview images, click to view full size, or drag to reorder.

  2. 2

    Set Resize Options

    Choose resize mode: percentage mode scales proportionally (10%-1000%), exact dimensions mode allows you to specify target width and height, preset sizes mode provides common sizes like Instagram, Facebook, Twitter, LinkedIn, YouTube, HD, 4K, Square. Choose whether to maintain aspect ratio, select output format (JPEG, PNG, WebP, AVIF, BMP).

  3. 3

    Start Resizing

    Click the "Start Resizing" button to begin processing. The tool will show processing progress, and after processing is complete, download options will be provided automatically. You can download each resized image individually or package all images as a ZIP file for download. Click "Resize More" to process more images.

Frequently Asked Questions

Will resizing affect image quality?
In most cases, it can maintain good image quality. Enlarging images may produce some blur, while reducing image size has less quality loss. We recommend choosing appropriate resize ratios based on your actual needs.
Will my images be uploaded to the server?
No, all processing is done in your browser. Your image files never leave your device, completely protecting your privacy.
How many images can I resize at once?
You can resize up to 100 images at once, with a maximum of 20MB per image. For large numbers of images, we recommend processing in batches for optimal performance. During processing, you can view progress to keep track of the status.

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