Free Image Resizer
Resize Images to Any Dimension
Quickly resize your images to exact dimensions. Use popular presets for social media, web, and print, or enter custom pixel sizes. Fast, free, and processed entirely in your browser.
- FREE No Credits
- 10+ Size Presets
- Instant Results
- Operational
- Free · Sharp
Images are processed locally in your browser.
A failed job costs nothing — credits are returned automatically. We keep video results for 30 days, photos on your account with no limit, and guest files are deleted after 14 days.
Credit packs from $8.99, one-time. Credits never expire and no subscription is required.
What is Resize Image?
Resize Image is an AI tool in Pixelift that runs in the browser with no installation. Quickly resize your images to exact dimensions. Use popular presets for social media, web, and print, or enter custom pixel sizes. Fast, free, and processed entirely in your browser. Engine: Sharp. Cost: Free credits per result; credits are bought once in packs from $8.99, no subscription, and they never expire. Files are processed on EU servers and never used to train models.
How Image Resizing Works
- Step 1
Upload Image
Select any JPG, PNG, or WEBP image from your device.
- Step 2
Choose Size
Select a preset or enter custom dimensions.
- Step 3
Select Fit Mode
Pick how the image should scale: cover, contain, or stretch.
- Step 4
Download
Save your resized image in high quality.
Popular Size Presets
Instagram Post
1080x1080 square format, optimized for Instagram feed posts.
YouTube Thumbnail
1280x720 widescreen format for eye-catching video thumbnails.
LinkedIn Banner
1584x396 format for professional profile banners.
Image Resize Features
Smart Presets
One-click presets for Instagram, YouTube, LinkedIn, Twitter, Facebook, and common web dimensions.
Custom Dimensions
Enter exact width and height in pixels. Lock aspect ratio for proportional scaling.
Fit Mode Options
Choose cover (crop to fill), contain (fit inside), or stretch for different scaling needs.
Perfect For Image Resizing
Social Media
Resize for Instagram, Facebook, Twitter, LinkedIn with perfect dimensions every time.
Web & Email
Optimize images for faster website loading and email compatibility.
Print Preparation
Scale images to exact print dimensions with DPI awareness.
Thumbnails
Create consistent thumbnail sizes for video, blog, and product listings.
Browser-Based Resizing
Our resize tool uses HTML5 Canvas with bicubic interpolation for smooth scaling. Processing happens entirely in your browser for privacy and speed.
- High-quality bicubic scaling algorithm
- Aspect ratio preservation options
- No quality loss for downscaling
- Instant results with no uploads
What to Expect — ✓ Works Best For
- Downscaling images to smaller sizes
- Meeting specific platform requirements
- Quick batch resizing with consistent sizes
Current Limitations
- Upscaling reduces quality (use AI Upscaler instead)
- Cannot maintain sharp text when shrinking significantly
- Very large upscaling will produce blurry results
Tips for Better Resizing
- Use 'contain' mode to preserve entire image content
- Use 'cover' mode for thumbnails that fill the frame
- Lock aspect ratio to prevent distortion
- For upscaling, use our AI Upscaler for better quality
- Check platform guidelines for exact size requirements
- Downscale from highest quality source for best results
What this tool is (and is not) for
Use this tool for
- •Specific pixel dimensions
- •Social media standards (Instagram, Facebook, banner)
- •Product thumbnails (e-commerce)
- •Batch-resize many images to the same size
- •Downsize to required dimensions
DO NOT use for — try instead
- •Enlarge with quality preservation (AI)Try instead: Upscaler— AI upscaling preserves detail
- •Shrink file size without changing dimensionsTry instead: Image Compressor— compression keeps dimensions
- •Cut a portion / change aspect ratioTry instead: Crop Image— cropping, not scaling
- •Add background / extend the frameTry instead: Image Expand— AI draws an extension
Frequently Asked Questions
Is the resize tool free?
Yes! Image resizing is 100% free with no limits. No account or credits required.
What's the difference between cover, contain, and stretch?
Cover fills the target size (may crop edges). Contain fits the whole image (may add padding). Stretch distorts to exact dimensions.
Can I upscale images?
Basic upscaling is possible but reduces quality. For best results upscaling, use our AI Upscaler which adds detail intelligently.
Are my images uploaded anywhere?
No. All processing happens locally in your browser. Your images never leave your device.
What file formats are supported?
We support JPG, PNG, and WEBP for input. Output preserves the original format for best compatibility.
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Call it from code
One endpoint, key in the header. The same tool that runs on this page — no browser, no clicking.
curl -X POST https://pixelift.pl/api/resize-image \
-H "Authorization: Bearer pk_live_..." \
-F "file=@zdjecie.jpg" \
-F "width=1600" \
-F "height=900" \
-F "fit=cover"Response: { "image": "https://pixelift.pl/uploads/…", "creditsUsed": 1 }
Request fields
file | file | required | Plik wejsciowy |
width | number | optional | |
height | number | optional | |
fit | cover · contain · fill | optional |