Image Resolution Converter — Change Dimensions by Pixels
Use this free image resolution converter to change image size by exact width and height. Keep aspect ratio, choose output format, and download instantly.
Drop your image here to convert resolution
or click to browse from your computer
Support: JPG, PNG, WEBP (Paste with Ctrl+V)
Need color edits after resizing? Try Image Inverter for quick color inversion, or Invert PNG Colors when you need transparent PNG workflows.
Image Resolution Converter — Free Dimension Changer
Our image resolution converter lets you change image dimensions by exact pixels. Set width and height, keep aspect ratio to avoid distortion, and export in JPG, PNG, or WEBP directly in your browser.
Exact Pixel Control
Enter precise width and height values to convert image resolution for platform requirements, ads, forms, and uploads.
Aspect Ratio Lock
Keep proportions while resizing to prevent stretching. For exact custom shapes, unlock ratio and set dimensions manually.
Fast Presets and Scaling
Use quick presets like 1080x1080 or one-click scale shortcuts (25% to 200%) for fast production workflows.
Private Processing
All resizing runs locally with Canvas API. Your images are not uploaded to our server.
Flexible Output Formats
Export in original format or choose PNG, JPG, or WEBP based on quality and file size needs.
Works on Any Device
Resize photos on desktop, tablet, or phone with no software installation.
Why Use This Resolution Converter?
Need social media sizes, exact upload dimensions, or smaller image files? This tool gives you direct pixel control without complicated editors. If you need color adjustments after resizing, try our image inverter or image contrast tools.
- ✓Change image resolution by exact width and height
- ✓Keep aspect ratio to avoid distortion
- ✓Preset dimensions for common workflows
- ✓Output as JPG, PNG, or WEBP
- ✓Free and browser-based with no signup
Convert Image Resolution with Exact Pixel Dimensions
Keep Aspect Ratio and Export for Any Platform
Reduce Resolution for Faster Uploads and Smaller Files
Popular Dimension Presets for Social and Web
Image Resolution Converter FAQ
Learn how to change image resolution and dimensions online with exact pixel control.
How do I change image resolution online?
Upload your image, enter target width and height in pixels, and download the converted result. You can keep aspect ratio locked to avoid stretching.
What is the difference between resolution and dimensions?
On this tool, resolution means pixel dimensions (width x height). For example, changing from 4000 x 3000 to 1200 x 900 reduces pixel resolution.
Can I reduce image resolution to make file size smaller?
Yes. Lower pixel dimensions usually produce smaller files. For additional size reduction, export as JPG or WEBP.
Will changing dimensions affect image quality?
Upscaling can make images look softer, while downscaling can remove detail. The tool uses high-quality browser resampling, but it cannot invent missing detail.
Which output formats are supported?
You can export in the original format or choose PNG, JPG, or WEBP. PNG is best for transparency; JPG/WEBP are better for smaller file sizes.
Is my image uploaded to a server?
No. Conversion runs in your browser using Canvas API. Your image data stays on your device.
Convert Image Resolution in Seconds
Resize image dimensions with exact pixel control for social media, web uploads, and document requirements.
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