Drop your image here or click to browse

JPG, PNG, WebP, GIF, BMP, AVIF — up to 50 MB

Images never leave your browser — 100% private

All Pix Resizer — Free Online Image Resizer

The fastest, most private way to resize images online. All processing happens entirely inside your browser using the HTML5 Canvas API. Your files are never sent to any server — not even for a fraction of a second. Built by Saz Bro.

11
Image Tools
0
Server Uploads
Free
Always & Forever
100%
Private

How to Resize Images Online Without Losing Quality

Resizing an image online doesn't have to mean losing detail or sharpness. All Pix Resizer uses high-quality bicubic canvas interpolation (ctx.imageSmoothingQuality = "high") to produce the sharpest possible output at any target dimension.

1
Upload Your Image
Click the upload zone or drag-and-drop any JPG, PNG, WebP, GIF, or BMP file. No size limits beyond your device RAM.
2
Set Width & Height
Type your target pixel dimensions. Enable Aspect Ratio Lock to auto-calculate proportional heights from any width input.
3
Choose Output Format
Select PNG for lossless quality, JPG for smallest file size, or WebP for modern next-gen web performance.
4
Download Instantly
Click the glowing Resize & Download button. Your resized image downloads immediately with the prefix allpixresizer_.

Frequently Asked Questions

Is All Pix Resizer completely free to use?
Yes. All Pix Resizer is 100% free with no subscription required, no hidden fees, no watermarks on output files, and no account needed. All 11 image processing tools are permanently free, built and maintained by Saz Bro.
Does All Pix Resizer upload my images to a server?
Absolutely not. Every image operation runs entirely inside your browser using the HTML5 Canvas API and the JavaScript File Reader. Your image data is never transmitted to any server, anywhere, at any point during processing or download. Zero network requests. Complete privacy by design.
How do I resize an image without losing quality?
Upload your image, enter your target pixel dimensions, enable Aspect Ratio Lock to prevent distortion, select PNG as your output format for lossless output, and click Resize & Download. All Pix Resizer uses high-quality bicubic canvas interpolation (imageSmoothingQuality = "high") to preserve maximum image detail.
What image formats are supported?
All Pix Resizer supports JPG, JPEG, PNG, WebP, GIF, BMP, and AVIF as input formats. Output format depends on your selection — PNG for lossless, JPG for smaller files with quality control, or WebP for modern web performance.
What is the maximum image size I can process?
The practical limit is determined by your device's available RAM, not by any server restriction. Most modern laptops and desktops handle images up to 50 MB or 8000×8000 pixels comfortably. Very large files (20+ MB) may take 1–2 seconds on slower devices.
What does the Aspect Ratio Lock toggle do?
When Aspect Ratio Lock is enabled (the default), typing a new width value automatically recalculates and updates the height field to maintain the same proportions as the original image — and vice versa. This prevents your image from being stretched or squashed. Uncheck it to enter completely free-form width and height values.
Who created All Pix Resizer?
All Pix Resizer was designed and developed by Saz Bro, a full-stack developer and digital tools creator specializing in building free, privacy-first, browser-based web utilities that require zero server infrastructure and respect user data completely.
What does the filename prefix "allpixresizer_" mean?
Every file downloaded from All Pix Resizer is automatically prefixed with allpixresizer_ followed by the dimensions and timestamp. This makes it easy to identify processed files in your downloads folder and avoids accidental overwriting of original files.