Add text watermarks with position & opacity.
Compress images and documents, download ZIP.
Drag & reorder images, download one file.
Built with privacy in mind. All processing happens entirely in your browser using open-source libraries.
An image resizer changes the dimensions and file size of a picture so it fits exactly where you need it — a social feed, an email signature, a product listing, or a print layout. You pick the target size, keep the proportions locked, and the tool produces a version that matches the platform’s requirements instead of making you fix it by hand.
Almost every platform has its own recommended dimensions, and uploading a raw camera photo almost never matches them. An Instagram post expects a square image, YouTube wants a 16:9 thumbnail, and a Facebook cover follows yet another format. Resizing also fights file bloat: a 5,000-pixel photo that is only ever shown at 800 pixels wastes bandwidth and storage, so shrinking it to its real use case speeds up every page it appears on. Doing this locally means you never hand your original photos to a remote service in exchange for convenience.
This converter pairs an aspect ratio lock that prevents the distortion you get from blind resizing with a quality slider so you control the trade-off between sharpness and size. You can also change the format entirely — JPG, PNG, or WebP — and work on one image at a time until the output looks right. Everything runs in your browser, so even sensitive, unreleased work never leaves your computer.
A typical job looks like a product photo that needs to fit a storefront, or a design that has to match a specific template. Load it once, set the target width and height, tweak the quality, and download a single file that is already sized and encoded for its destination.
Images also need to match the platform they are headed to. An Instagram square, a LinkedIn banner, and a website hero image all have different dimensions, and resizing the same source photo for each destination is a recurring task for marketers, bloggers, and small teams. Entering the right width or height and letting the aspect-ratio lock fill in the rest removes the fiddly parts of that job, so the output is right-sized the first time.
Who is it for? Social media managers resizing content for multiple channels, web developers optimizing site assets, and designers preparing images for clients.
Many image tools quietly recompress your photos on a server, which means your sharp original is replaced by a file that has already been processed somewhere else. This resizer works the other way around: you resize images locally in your browser with the canvas API, so the pixels are decoded, scaled, and re-encoded on your own device. There is no server recompression and no intermediate copy of your picture on another machine.
Local processing also removes the usual annoyances of online editors. There are no accounts, so nothing connects one session to the next. There are no upload endpoints, which means no queue and no waiting while your image travels to a data center. There are no hidden limits either: the only constraint is what your browser can handle, and because the work stays on your hardware, large photos finish quickly.
That matters for private pictures just as much as for professional work. A headshot you would rather keep to yourself, a product image destined for a client, or a favorite holiday photo can be resized and converted without ever leaving your screen. Watch the badge at the bottom of the page: as long as it reads zero, your images are being processed exactly where you can see them — on your own device.
Yes. Because resizing happens locally in your browser, the whole operation keeps working without an internet connection once the page has loaded.
The web is unforgiving of oversized images. A photo that looks fine on a desktop can take seconds to load on a phone, and page speed directly affects whether visitors stay or leave. Resizing and compressing images before publishing is the single highest-impact fix for a slow site, and doing it in-browser means there is no desktop software to install and no learning curve.
Keeping the flow simple is what makes the tool reliable. You drop in one image, type the width or height you need (or leave both blank to keep the original size), pick an output format, and download a single file. Everything is processed locally, so product photos, client assets, and personal pictures are never uploaded to a third-party server.
Yes, free with no signup, no watermark, and no limits.
No. Everything is processed locally in your browser.
No hard limit, though very large files may take longer on your device.
Yes, it works on mobile browsers.
Resizing changes the pixel dimensions only. Quality only changes if you lower the quality slider or export to a compressed format like JPG or WebP — PNG output is lossless.
This tool processes one image at a time so you can fine-tune the width, height and format before downloading.