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Choose a photo to see the live preview.
Free image resizer - resize photos in pixels or cm and compress to any KB for forms and social media
Images are resized in your browser and never uploaded.
Our image resizer makes any photo the exact size you need - in pixels, centimetres, millimetres or inches - and compresses it to a target size in KB. It is built for everyday tasks like a passport size photo, a signature for an exam form, a WhatsApp profile picture or a product photo for your online store. Pick a preset or type your own size, see the result instantly and download it.
Use this image resizer to resize photo in KB, pixels and CM for free, on any computer or phone. The image resizer online free tool lets you resize photo in KB, pixels, CM and inches without installing anything.
Phone cameras take huge photos - often 4000 pixels wide and several megabytes - while online forms, websites and apps need small, exact sizes. Government and exam portals often ask for a photo of about 200 × 230 pixels under 50 KB and a signature under 20 KB, and they reject anything larger. Social media crops photos that don't match its shape, and marketplaces prefer square product photos on a white background. Resizing gives you the right dimensions and file size every time, so uploads work on the first try.
Resize in pixels, cm, mm or inches, with a DPI setting such as 300 for printing.
Set a maximum and minimum size in KB, and the tool keeps the best quality that fits.
Presets for passport and stamp photos, form photos, signatures, Instagram, YouTube and product photos.
Crop to fill the new shape and move the crop, or fit the whole photo on a white, black, transparent or custom background.
Turn grey paper into pure white and make the ink dark and even.
Straighten sideways photos and mirror selfies in one click.
Images are resized in your browser and never uploaded.
Choose a photo, pick a size and KB limit, and download the resized image.
Choose your image
Pick a JPG, PNG or WEBP photo, or drop it on the box.
Pick a size
Choose a preset such as passport photo, signature or Instagram post, or type your own width and height in pixels, cm, mm or inches.
Adjust the crop
If the shape changes, choose crop, fit with background or stretch, and move the crop with the sliders.
Set the file size
Tick Compress to a file size and enter the KB limit from your form.
Download
Check the preview, size and dimensions, then download your resized image.
Quick and simple : Resize images online without installing any software.
Meet the exact pixel and KB rules of online applications.
Small photos send quickly and save phone storage.
Photos fit social media shapes without awkward crops.
Square, evenly sized product photos look professional in your store.
Photos and signatures for exam, admission and job forms.
Square product photos for Amazon, Flipkart, Meesho and your own website.
Profile photos, posts, stories and thumbnails in the right size.
Passport photos and ID photos at print size.
From a single signature to a full product catalogue, the image resizer makes every photo the right size.
Crop to Fill
Fills the whole size and trims the edges - best for photos of people.
Fit with Background
Keeps the whole image and adds a plain border - best for signatures and products.
Stretch
Fills the size by squeezing the image - use only for small changes.
Use the exact width, height and KB range the form asks for.
Take photos against a light wall in good daylight.
Use a black or blue pen and the signature clean-up option.
Make sure your face or signature is clear before uploading.
To shrink PDF documents for forms, use Compress PDF, and to turn logos into sharp vectors, try PNG to SVG.
Find answers to common questions about resizing images.
Yes. The PDF Cropper image resizer is free with no sign-up and no watermark, for images up to 25 MB.
Tick Compress to a file size, enter the maximum KB (and a minimum if the form asks for one) and download. The tool keeps the best quality that fits. If the size can't be reached, tick Make the pixel size smaller if needed.
Choose Passport size photo - 3.5 × 4.5 cm. The photo is cropped to the right shape at 300 DPI for printing; move the crop with the sliders so your face is centred.
Yes. Choose a signature size, or tick Clean up signature to make the paper pure white and the ink dark. Then set the KB limit from the form.
Sizes differ between forms, so always check the notice. Pick the closest common size and change the width, height and KB to match the notice exactly.
No. The image is resized in your browser and never leaves your device.
You can open JPG, PNG and WEBP images and save as JPG, PNG or WEBP. HEIC photos from iPhones may need to be saved as JPG first.
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Last Updated: 29-09-2026