Resize image
Change the dimensions of your images in seconds, with Lanczos filtering for a sharp result. Your photos never leave your device.
Updated November 6, 2026
Options
How it works
- Drop one or more images anywhere on this page, or paste from the clipboard.
- Pick a mode: fit inside a width and height, one side, a percentage, exact pixels, or fill and crop to a box. Presets cover common sizes.
- Download a single file or all of them as a ZIP.
Picking the mode for the job
Fit inside is the safe default: give a maximum width and height (1920 by 1080 to start) and the image shrinks to fit without stretching or enlarging. By width or Longest side suits galleries and websites where every picture should share one dimension. Exact size is for forms that demand precise pixels and is the only mode that can distort.
Fill and crop makes a profile picture or a thumbnail that covers a box, cutting from the middle; Fit and pad keeps the whole picture and fills the rest with a color, which marketplaces asking for square images need. Presets cover Instagram posts and stories, Facebook covers, YouTube thumbnails, link previews, A4 at 150 or 300 DPI, 10 by 15 cm photos and avatars.
Format, quality and the size of the file
Fewer pixels is the biggest lever on file size, far more than any quality slider. The output can stay in the input format or become JPEG, WebP, AVIF or PNG, with a quality of 85 by default; WebP and AVIF make smaller files at the same look, PNG keeps graphics and screenshots exact. When a form asks for a size in kilobytes, resize here first, then let Compress image hit the number.
Phone photos and batches
Up to 50 images of up to 100 MB each go through with the same settings and download as a ZIP. HEIC from an iPhone is accepted and comes out as a format everything opens. The picture is rebuilt from pixels on your device, so location data and camera details are dropped unless you tick Keep camera data, which keeps the camera fields on JPEG but still no location and no thumbnail.
Why people use it
Free, no account
Every tool is free, with no sign-up, no e-mail address and no limit on how often you use it.
Your files stay on your device
The browser opens the file and processes it in memory, on your device. Nothing is uploaded, so nothing can be kept, leaked or looked at.
No watermark
The result is yours as it is: no watermark, no branding, no trial version.
Any device
A phone, a tablet or a computer with a current browser is enough: no app to install, no software to update.
Works offline after the first visit
The browser keeps the pages and their engines, so a tool you have opened once keeps working without a connection.
Open-source engines
The code that does the work is open-source software, named on the Licences page, running as WebAssembly in your browser.
Why it is private
Everything you type or drop here is handled by your browser, on your device. Nothing is uploaded. To verify, open your browser's developer tools, go to the Network tab, and use the tool: you will see no request carrying your data.
While a file is being processed, the counter under the result shows the page's network traffic: 0 requests and 0 B for your data.
How to check it yourself, step by step
What you can check yourself
Open your browser's developer tools on the Network tab before you drop a file: while the tool works you will see no request carrying your data, and the counter under every result shows the page's own measurement.
The site sets no cookies, so there is no cookie banner. Anonymous usage counts and error reports without file names are the only things that leave the page, as the privacy policy describes.
Every change goes through thousands of automated tests in three browser engines, including a guard that fails a test if a single byte of a file leaves the page.
Frequently asked questions
- Does resizing keep the aspect ratio?
- Yes in every mode but “Exact size”, which stretches the image to the pixels you set (with the ratio locked it only takes one side from you). “Fill and crop” scales the picture until it covers the box and cuts the middle out; “Fit and pad” keeps the whole picture and fills the rest with the background color.
- Can I enlarge an image?
- Yes, with a percentage above 100 or exact pixels larger than the original. Enlarging cannot add detail, so expect some softness.
- Why are my phone photos no longer rotated?
- EXIF orientation is applied before resizing, so the output is upright everywhere, including apps that ignore EXIF.
- What happens to metadata?
- The image is rebuilt from pixels, so EXIF, GPS location and embedded thumbnails are removed.
- Can I resize an image to a size in KB?
- Not directly: this tool works in pixels. Shrink the dimensions here, then use Compress image, which targets a file size. Fewer pixels is what makes the biggest difference.
- Can I resize a photo on my phone?
- Yes, in the browser with no app. Pick the photo from the gallery, choose a mode or a preset and download the result; HEIC from an iPhone works too.
- Can I resize many images to the same size at once?
- Yes, up to 50 per run. The same mode and dimensions apply to all of them and they download as one ZIP, each keeping its own name.
- Does resizing lower the quality?
- Making an image smaller with Lanczos filtering keeps it sharp. Saving as JPEG, WebP or AVIF re-encodes it at the quality you set; choose PNG or raise the quality when every detail matters.
- Can I resize an SVG or an ICO file?
- Yes. An SVG is drawn at the size you ask for and saved as a raster image; an ICO is opened at its largest size. Neither keeps its original format on output.
Install it as an app
Chrome, Edge and Android browsers offer to install this site from the address bar or the menu; on iPhone use Share, then Add to Home Screen. It opens like an app, keeps working offline and still processes everything on your device.