Image Resizer — Free Online Tool
Drop images anywhere
Release to add your files
FREE · BROWSER-BASED · NO UPLOADS

Image Resizer

Resize images to exact dimensions. Cover, contain, or stretch to fit. Everything runs on your device.

Drop images here or click to browse
JPG · PNG · WEBP · GIF · BMP · AVIF · HEIC / HEIF
Multiple files supported · Max 50 MB per file
— or —
Browse files
Add more images
Click or drop files here
⚠ One or more files exceed 30 MB — resizing may be slow on some devices.
Global Settings — applies to all images without individual overrides
Quick Presets
Dimensions (px)
Width
px
×
Height
px
Fit Mode
Crop position
Cover: crops to fill. Contain: fits inside. Fill: stretches to exact size.
0 file(s) queued
No Uploads
100% client-side. Files never leave your device.
All Formats
JPG, PNG, WEBP, AVIF, HEIC, GIF, BMP supported.
Bulk Convert
Drag multiple files and convert all at once.
Mobile Friendly
Works perfectly on phone and tablet too.

Convert Any Image Format Online

Whether you need to convert PNG to WEBP for faster web performance, HEIC to JPG for compatibility, or JPG to PNG to preserve transparency  this tool handles it all, directly in your browser.

No files are uploaded to any server. Your images stay on your device throughout the entire conversion process, making it 100% private and secure.

Supports: JPG, PNG, WEBP, GIF, BMP, AVIF, HEIC/HEIF input and output formats.

Supported Formats

Format Best For Avg Size Browser Support Lossy?
WEBP Web images, fastest load ~65% of JPG ✓ All modern browsers Both
JPG Photos, universal sharing Baseline ✓ All browsers Yes
PNG Transparency, logos, UI ~2x JPG ✓ All browsers No
AVIF Next-gen web, best compression ~50% of JPG ~ Most modern Both
HEIC iPhone photos (Apple default) ~50% of JPG ✗ Limited support Yes
GIF Simple animations, memes Varies ✓ All browsers No
BMP Windows apps, raw bitmap ~10x JPG ~ Limited No

How to Convert an Image

1
Drop your image
JPG, PNG, HEIC, AVIF & more supported
2
Select output format
WEBP, JPG, PNG, AVIF, GIF, BMP
3
Adjust quality
10–100% control for lossy formats
4
Click Convert
Instant — no upload, no server
5
Download file
Save or ZIP all files at once

Frequently Asked Questions

No. Everything runs in your browser. Your files never leave your device.

Yes, completely free. No sign-up, no limits.

JPG, PNG, WEBP, GIF, BMP, AVIF, and HEIC/HEIF as input. Same formats available as output.

Yes, drag and drop multiple files at once for batch conversion.

For lossy formats (JPG, WEBP, AVIF) you can control quality from 10-100%. For PNG and GIF, full lossless quality is maintained.

No. Your converted images are completely watermark-free.