How is this different from /tools/crop-image?

Resize keeps the entire image and scales it up or down to new dimensions (the image gets stretched or squashed if the new aspect ratio differs). Crop removes pixels from the edges to fit a region. If you want to fit a specific aspect ratio without stretching, crop first, then resize.

Will resizing reduce image quality?

Resizing down (e.g. 4000×3000 → 1280×720) preserves quality — there's more source detail than the target needs. Resizing up just stretches existing pixels and won't add real detail — for that, use our AI Image Upscaler .

Why is this faster than ResizeImage.net or BeFunky?

ResizeImage.net and BeFunky upload your photo to their servers, queue it, re-encode it, and send it back. This resizer runs FFmpeg WebAssembly entirely in your browser, so a 10 MB JPG resizes in well under a second.

Does the image resizer keep aspect ratio automatically?

When you pick a preset, the dimensions are fixed and the image is stretched to fit. To preserve aspect ratio, keep width and height proportional to the original (e.g. if your photo is 2000×1000, resize to 1600×800 rather than 1600×1080). For non-destructive aspect-ratio matching, use our crop tool first.

What formats can I resize?

Input: JPG, JPEG, PNG, WebP, BMP, TIFF, HEIC/HEIF (most browsers). Output: PNG (default, lossless), JPG (smaller files), WebP (best compression), BMP, GIF, or TIFF.

Is there a file size limit?

Free users can resize up to 10GB images. For most images that's effectively no limit — a 50-megapixel JPG is around 30 MB.

Resize Image Online Free — Photo Resizer for Any Size, No Watermark

How to Use Resize Image

Drop your image (JPG, PNG, WebP, BMP, TIFF all work — even 10GB+ photos)
Pick a preset (Instagram, YouTube, Facebook, etc.) or enter a custom width × height
Choose the output format (PNG keeps quality, JPG is smaller, WebP is both)
Click Process and download the resized photo — clean, no watermark

Features

Resize any image to a custom width × height — full pixel control
Presets for the sizes that actually matter: Instagram (square, portrait, story), YouTube thumbnail, Facebook / OpenGraph cover, 720p, 800×600
Output as PNG, JPG, WebP, BMP, GIF, or TIFF — pick the format that fits your target
Runs locally in the browser — your photo never uploads, even on free tier
No watermark, no sign-up, no file-size cap — completely free for personal and commercial use
Free alternative to ResizeImage.net, BeFunky, BIRME, and Adobe Express image resize

Frequently Asked Questions

How is this different from /tools/crop-image?: Resize keeps the entire image and scales it up or down to new dimensions (the image gets stretched or squashed if the new aspect ratio differs). Crop removes pixels from the edges to fit a region. If you want to fit a specific aspect ratio without stretching, crop first, then resize.
Will resizing reduce image quality?: Resizing down (e.g. 4000×3000 → 1280×720) preserves quality — there's more source detail than the target needs. Resizing up just stretches existing pixels and won't add real detail — for that, use our AI Image Upscaler.
Why is this faster than ResizeImage.net or BeFunky?: ResizeImage.net and BeFunky upload your photo to their servers, queue it, re-encode it, and send it back. This resizer runs FFmpeg WebAssembly entirely in your browser, so a 10 MB JPG resizes in well under a second.
Does the image resizer keep aspect ratio automatically?: When you pick a preset, the dimensions are fixed and the image is stretched to fit. To preserve aspect ratio, keep width and height proportional to the original (e.g. if your photo is 2000×1000, resize to 1600×800 rather than 1600×1080). For non-destructive aspect-ratio matching, use our crop tool first.
What formats can I resize?: Input: JPG, JPEG, PNG, WebP, BMP, TIFF, HEIC/HEIF (most browsers). Output: PNG (default, lossless), JPG (smaller files), WebP (best compression), BMP, GIF, or TIFF.
Is there a file size limit?: Free users can resize up to 10GB images. For most images that's effectively no limit — a 50-megapixel JPG is around 30 MB.

Resize Image

How to Use Resize Image

Features

Frequently Asked Questions

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