Resize Image

Add your pictures to the box above, choose the new size and press the red button. Each picture is resized in a moment and keeps its own format, ready to download one by one or together as a ZIP.

Set the size in pixels, as a percentage, by the longest side, in centimetres or inches for printing, or pick a ready-made size for Instagram, YouTube, a passport photo and more. Everything happens in your browser, so your pictures are not uploaded.

A good image resizer does more than change two numbers. This one keeps proportions unless you ask otherwise, never makes small pictures blurry by enlarging them by accident, scales large reductions in smooth steps so fine detail stays crisp, and keeps every picture in its own format.

You decide what happens when the new shape differs from the old one: fill the frame and crop, with the part to keep chosen by you, fit the whole picture inside with a colour, a blurred copy of the picture or transparency around it, or stretch it exactly.

To resize image online usually means uploading your pictures to someone else's server and waiting. Here the work is done by your own browser, on your own device, so it is faster, private and works the same on Windows, Mac, Linux, Chromebook, iPhone and Android.

There is no sign-up, no watermark and no daily limit. Add up to 500 pictures at a time, as often as you like.

There are several ways to change image size, and each suits a different job. Pixels sets an exact width and height, or only one of them with the other following automatically. Percentage scales every picture by the same amount, such as 50% for half the width and half the height.

Longest side makes the bigger side of every picture a set length, ideal for a mix of portrait and landscape photos. Print size works in centimetres, millimetres or inches, and Presets give ready-made sizes for social media, screens and ID photos.

To resize image without losing quality, make pictures smaller rather than larger, and keep the quality at 90% or more for JPG and WebP. Large reductions are done in several smooth steps, so edges stay clean instead of jagged, and the optional sharpening under More options brings back the crispness that every reduction softens slightly.

Enlarging can only spread the existing pixels over a bigger area, so very small pictures look soft when blown up. That is why pictures are never enlarged unless you tick Enlarge pictures that are smaller. PNG pictures stay lossless whatever size you choose.

Pictures are never made bigger by accident, but you can ask for it: tick Enlarge pictures that are smaller, or choose a percentage above 100. The enlargement uses high quality smoothing, so edges stay soft rather than blocky.

Enlarging cannot add detail that was never captured, so a tiny picture will not become sharp at poster size. For printing, start from the largest original you have and check the pixel size against the print size you need.

Phone and camera photos are often 4000 pixels wide or more, far bigger than any screen, website or message needs. To resize photo files for sharing, choose Longest side and 2048 or 1920 pixels: each photo becomes a fraction of its size and still looks sharp everywhere.

Photos are turned upright automatically, iPhone HEIC photos open without any setting, and the date taken can be kept under More options so your gallery keeps them in order.

To resize image for Instagram, choose Presets and pick Instagram square (1080 × 1080), Instagram portrait (1080 × 1350) or Story or Reel (1080 × 1920). With Fill and crop the picture fills the frame and you choose which part to keep; with Fit inside the whole picture is kept and the empty space is filled with a colour or a blurred copy of the photo, the look many creators use.

The same presets cover Facebook posts and covers, X posts and headers, LinkedIn posts and banners, YouTube thumbnails and banners, Pinterest pins and WhatsApp profile pictures.

Oversized pictures are the most common reason a website feels slow, and page speed matters to both visitors and search engines. Most themes show pictures no wider than 1600 to 2000 pixels, so anything bigger is wasted. Choose Longest side and 1920 for full-width banners, or 1200 for pictures inside articles.

Online shops look tidier when every product photo has the same shape. Choose Pixels, untick Keep proportions, type 1000 × 1000 or 2000 × 2000 and use Fit inside with a white background, so every product sits centred on white without being cropped.

Full size phone photos are often 3 to 6 MB each, so only a few fit in one email. Choose Longest side and 1920 or 2048 pixels and each photo shrinks to a few hundred KB while still looking sharp on any screen.

Download all puts them in one ZIP that is easy to attach. Messaging apps compress pictures again, so sending a sensibly sized photo usually gives a better result on the other side.

As a photo resizer for printing, this tool works in real-world units. Choose Print size, type the size in centimetres, millimetres or inches and pick the resolution, 300 DPI for photo labs. The pixel size is worked out for you and the DPI is written into the file, so it prints at exactly the size you typed.

Presets also include 4 × 6 and 5 × 7 inch photos, an A4 page and the two most common passport photo sizes, all at 300 DPI.

Forms and print shops often ask for a size in centimetres. To resize image in cm, choose Print size, select cm and type the width and height, for example 3.5 × 4.5 for a passport photo. The same works in millimetres and inches.

At 300 DPI, 1 centimetre is about 118 pixels and 1 inch is exactly 300 pixels. The page shows the pixel size before you resize, so you can check it against the rules you have been given.

Passport, visa and ID photos have strict sizes. The United States uses 2 × 2 inches (600 × 600 pixels at 300 DPI); the United Kingdom, the European Union, India and many other countries use 35 × 45 millimetres (413 × 531 pixels at 300 DPI). Pick the matching preset, choose Fill and crop and keep the top part so the head stays in frame.

Always check the current official rules for the background colour, the head size and any limit on file size before you submit. To change the background behind a person, use Remove Background first.

Online applications, exam portals and job sites often ask for a photo or a scanned signature in exact pixels, such as 200 × 230, and sometimes in centimetres. Choose Pixels and untick Keep proportions, or Print size for centimetres, then Fill and crop with the top position so the face stays centred.

If the form also limits the file size, choose JPG under Format and Keep under a size, then type the limit. Each picture gets the highest quality that still fits.

To make a wallpaper for a laptop, monitor or TV, choose the Full HD, 2K or 4K preset, or type the exact resolution of your screen in Pixels. Fill and crop makes the picture cover the whole screen without black bars.

For a phone wallpaper, type the phone's screen resolution, for example 1179 × 2556 for many recent iPhones, and keep the centre of the picture.

When the new width and height have a different shape from the picture, something has to give. Fill and crop fills the whole frame and trims the edges; the grid lets you keep the top, the centre, a corner or any side, so a face or a product stays in view.

Fit inside keeps the whole picture and fills the empty space with a colour you choose, a blurred and slightly darkened copy of the picture, or transparency for PNG and WebP. Stretch forces the exact size and may squash the picture, which is rarely what you want for photos. To cut out an exact area by hand, use Crop Image.

The aspect ratio is the shape of a picture: its width divided by its height. Phone photos are usually 4:3, widescreen video and most screens are 16:9, and square posts are 1:1. Keeping proportions means the shape stays the same when the size changes.

When a new size has another shape, choose Fill and crop or Fit inside instead of stretching, so circles stay round and faces keep their proportions.

To resize JPG photos, PNG graphics, WebP pictures from websites and iPhone HEIC photos, simply add them; Format is set to Same as original, so every picture keeps its own format. HEIC and AVIF become JPG, and GIF and BMP become PNG, because browsers cannot write those formats.

Choose JPG, PNG or WebP under Format to change the format while you resize, for example to turn large PNG photos into much smaller JPGs.

To batch resize images, add up to 500 pictures at once or a whole folder with Add a whole folder. They are resized several at a time using the spare cores of your processor, so a hundred photos usually take well under a minute, all with the same settings.

Download all puts every picture into one ZIP, keeping the folder structure when you added a folder. File names stay the same, or get -resized added if you prefer. To make the resized photos lighter still, Compress Image shrinks them further.

Pixels decide how much detail a picture has; DPI only tells printers how many of those pixels to put in each inch. Changing DPI alone does not change the picture on screen. For printing, Print size handles both at once.

For other modes, a DPI value can be written into the file under More options, such as 300 for print shops or 72 for screens.

Your pictures are not uploaded. Reading, resizing, encoding and zipping all happen in your browser, on your own device. Only TIFF and ICO files, which browsers cannot open, are read by our image server and deleted straight away.

Photo details such as the location are removed by default, so the resized pictures you share reveal less about you; choose under More options to keep the date taken.

Each picture is opened by your browser, turned upright, optionally rotated or mirrored, and drawn onto an invisible canvas at the new size. Big reductions are done in halving steps with high quality smoothing, and an optional light sharpening restores fine detail afterwards.

The canvas is then saved in the chosen format: PNG losslessly, JPG and WebP at your quality or the highest quality under a size limit, with the DPI and, if you like, the photo details written in. The work runs in background workers, so the page stays smooth with hundreds of pictures.

Always resize from the original, largest picture, never from a copy that was already made smaller.

Use Longest side for a mix of portrait and landscape photos.

Turn on sharpening when you shrink photos a lot.

Keep PNG for logos and screenshots, JPG for photos.

For prints, use 300 DPI and check the pixel size shown under Print size.