Image Resize

Resize PNG, JPG, or WebP with sliders or exact pixel values

Free Online Image Resizer — Change Image Dimensions Instantly

ezyimg's Image Resize tool lets you resize PNG, JPG, WebP and other images to any dimension using intuitive sliders, quick presets (1920×1080, 720p, 512×512, etc.) or exact pixel values. Lock the aspect ratio to avoid distortion. Set JPEG quality with a slider. All processing runs in your browser — no uploads, no watermarks.

How to Use

  1. 1

    Upload an image

    Drop any PNG, JPG, WebP, GIF, BMP or AVIF image. The original dimensions are displayed automatically.

  2. 2

    Choose a preset or set dimensions

    Click a quick preset (1920×1080, 1280×720, etc.) or drag the sliders to set width and height.

  3. 3

    Lock aspect ratio (recommended)

    Keep the 'Lock aspect ratio' checkbox checked to resize proportionally without distortion.

  4. 4

    Choose format and quality

    Select JPEG, PNG or WebP. Adjust the quality slider — 85% is a good balance for JPEG.

  5. 5

    Download

    Click 'Resize Image' and download your resized file instantly.

Tips & Best Practices

  • →For web images, resize to 1200–1600px wide and use JPEG at 80–85% quality for fast loading.
  • →For social media profile pictures, use the 512×512 or 256×256 preset.
  • →WebP format is 25–35% smaller than JPEG at the same quality — ideal for web use.
  • →Use PNG when you need transparency (logos, icons, graphics).

Frequently Asked Questions

How do I resize an image online for free?

Upload your image to ezyimg's Image Resize tool, set the width using the slider or input box, and click Resize. The resized image downloads immediately — free, no watermark, no account.

How do I resize an image without losing quality?

Use PNG format for lossless resizing. For JPEG, keep quality at 90%+. Avoid enlarging images — upscaling always reduces sharpness. Only downscale for best results.

What is the best image size for Instagram?

Square posts: 1080×1080px. Portrait: 1080×1350px. Landscape: 1080×566px. Stories/Reels: 1080×1920px.

Can I resize multiple images at once?

Yes — use ezyimg's Bulk Image Processor to resize hundreds of images at once with the same settings.

What formats can I resize?

Input: JPEG, PNG, WebP, GIF, SVG, BMP, ICO, AVIF, HEIC. Output: JPEG, PNG, or WebP.