Skip to content
Downsize Image
Blog
Free · Private · In-Browser

Resize JPG Images

Set a new width and height for your JPG in pixels or as a percentage. The aspect ratio stays locked, so photos never look stretched.

Click to upload or drag & drop

or paste from clipboard (Ctrl+V)

Supports JPEG, JPG, PNG, WebP, AVIF — multiple files and folders allowed

What is Resize JPG Images?

JPG (or JPEG) is a photo format that compresses images to keep file sizes small. Resizing a JPG means changing its pixel dimensions — making it smaller barely affects quality, while enlarging can soften detail.

Key Features

  • Resize JPG in pixels or by percentage
  • Lock aspect ratio to avoid distortion
  • Keep photo detail when downsizing
  • Batch JPG processing
  • Export as JPG, PNG, WebP, or AVIF

How to Use This Tool

  1. 1

    Upload your JPG

    Select a JPG or JPEG file by clicking, dragging, or pasting from clipboard.

  2. 2

    Set new dimensions

    Enter a width and height or a percentage. The ratio stays locked by default.

  3. 3

    Download

    Preview and save your resized JPG with quality intact.

Image Format Comparison

When you resize jpg images, the format you export to changes the balance between quality and file size. Here's how the common formats compare:

FormatBest forTransparencyTypical file size
JPGPhotographs, complex imagesNoBaseline
PNGLogos, graphics, textYes2–5× JPG
WebPWeb images (modern)Yes25–34% smaller than JPG
AVIFNext-gen web deliveryYes~50% smaller than JPG
FAQ

Frequently Asked Questions

Will resizing a JPG reduce its quality?

Making a JPG smaller doesn't reduce quality — you're cutting pixels. Enlarging may blur slightly because new pixels are interpolated.

Can I convert JPG to another format while resizing?

Yes. After resizing, save as JPG, PNG, WebP, or AVIF. Our JPG to WebP converter is handy for web delivery.

What's the largest JPG I can resize?

There's no hard limit, but very large files (50MB+) process slower in the browser. Images under 20MB run best.

More tools

Related Tools

Resize PNG Images

Resize PNG images online while keeping transparent backgrounds, logos, and icons exactly as they are. Pixel-precise, and the whole job runs on your device.

Resize WebP Images

Resize WebP images online and keep the format's small file sizes and transparency. It's quick because everything runs locally in your browser.

Convert JPG to WebP

Convert JPG to WebP online for free and get 25–34% smaller files at the same quality. The conversion happens in your browser, so your photos aren't uploaded anywhere.

Compress Images

Compress JPG, PNG, and WebP images online. Drag in a photo, move the quality slider, and watch the file shrink with a live before-and-after preview. Nothing leaves your device.

Downsize Image

Free online image resizer and compressor. Resize, compress, and convert images — all in your browser. No upload required.

Your images never leave your device.

Tools

  • Resize Image
  • Compress Image
  • Resize JPG
  • Resize PNG
  • Resize WebP
  • JPG to WebP
  • PNG to WebP
  • WebP to JPG

Company

  • Privacy Policy
  • Terms of Service
  • Blog
  • About
  • GitHub

© 2026 Downsize Image. All rights reserved.