Resize Image Online Free | Change Image Size Without Losing Quality - InstantToolsPro
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Resize Images Online Free

Custom dimensions, social media presets, bulk resize — with built-in compression and format conversion. No signup, no watermarks.

100% Secure JPG · PNG · WEBP Auto deleted in 1hr Bulk — up to 20 files
Upload
Options
Resize
Download
Drop images here or click to browse

JPG, PNG, WEBP · Up to 20 MB per file · Max 20 files

Files never shared · Auto deleted after 1 hour

0 Images Ready
Tap to add more · Max 20 total
0 files selected
Resize Mode
Width (px)
Height (px)

Leave one field empty to auto-calculate and maintain aspect ratio.

Scale to
Custom %
Choose a preset
Resize Type
Advanced Options
Output Format
DPI / Resolution
Quality  85
85
Target File Size (Optional)
Auto-adjust quality until output hits your target. Leave blank to skip.
Resizing images…
Processing your images…
0%
Resize Complete!
Your images are ready to download.
Images are automatically deleted from our servers after 1 hour.

How to Resize Images Online

1

Upload Images

Drag & drop or browse for JPG, PNG, or WEBP files — up to 20 at once.

2

Set Dimensions

Enter custom pixel size, pick a percentage scale, or choose a social media preset.

3

Adjust Quality

Pick output format, quality level, DPI, and an optional target file size.

4

Download

Download each resized image individually or grab all in a single ZIP.

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Why Use Our Image Resizer?

Our tool uses PHP GD library to deliver pixel-perfect resizing without installing any software. Whether you need to downscale a photo for email, upscale for print, or hit exact social media dimensions, our resizer handles it all in seconds.

Social Media Presets

Never guess dimensions again. Our presets are pixel-perfect for every platform: Instagram Post (1080×1080), Instagram Story (1080×1920), WhatsApp (800×800), and YouTube Thumbnails (1280×720).

Upload your image, set your desired dimensions or choose a preset, then click Resize. Your resized image downloads instantly — no signup needed.
Yes. Upload up to 20 images at once and download them individually or as a ZIP archive.
Downscaling generally maintains excellent quality. Use the quality slider to control output sharpness and choose WEBP for the best size-to-quality ratio.
Ready to resize
Secure · No watermark · Free forever