Image Resizer
Detect original resolution, lock aspect ratios, and resize pixel dimensions with crisp output formatting.
Dimensions Presets
Drag & drop your file here, or
Supports: JPG, PNG, WEBP, GIF, SVG, BMP, TIFF, or AVIF • Max: 10MB
How to use the Image Resizer
Follow these simple steps to process your files securely in seconds.
- 1
Step 1
Upload your image (JPEG, PNG, WEBP, GIF, SVG, BMP, TIFF, or AVIF).
- 2
Step 2
The tool automatically detects original image dimensions and sets proportional aspect ratio locks.
- 3
Step 3
Adjust Width or Height in pixels—the corresponding dimension updates automatically.
- 4
Step 4
Click 'Resize Image' to download your crisp, resized image file.
Key Features & Benefits
Discover why thousands of users trust our productivity converters and generators.
Automatic Resolution Detection
Instantly reads exact source image width and height upon upload.
Proportional Lock Engine
Lock aspect ratio dynamically calculates width or height changes without image distortion.
Preset Resolutions
One-click shortcuts for blog headers, social posts, square thumbnails, and profile avatars.
Multi-Format Support
Supports JPG, PNG, WEBP, GIF, BMP, TIFF, AVIF, and SVG images.
Got Questions? We Have Answers
Everything you need to know about safety, formats, and conversion limits.
Yes. Checking 'Lock Aspect Ratio' ensures changing width automatically adjusts height proportionally to maintain image shape.
Yes! When you upload any image, ReadHolmes detects its exact pixels (e.g. 1920x1080) so you can resize starting from its original size.
We support JPG, PNG, WEBP, GIF, BMP, TIFF, AVIF, and SVG image files up to 10MB.
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