PicTech AI Image Resizer
Resize images online by pixels or preset dimensions
Set an exact width and height, preserve the original aspect ratio, or choose preset dimensions for product photos, social media posts, ID photos and web banners. Supports JPG, PNG, WebP and GIF workflows.
Batch workflow
Resize many images at once without repetitive work
Apply one width, height, ratio or preset to a full group of images. It is ideal for marketplace listings, catalog updates, campaign assets and large content libraries.
Open batch resize toolResize images by exact pixels without stretching
PicTechAI combines simple controls with practical presets, so every image fits the platform where it will be published.
Exact pixel control
Enter precise width and height values for strict upload requirements such as 800 x 800 product images.
Keep aspect ratio
Scale images proportionally to avoid stretching faces, products or text-heavy graphics.
Ready-made presets
Use common sizes for marketplaces, social media, ID photos, desktop wallpapers and web banners.
Batch productivity
Process many images with one shared rule, then continue to your listing or campaign faster.
Format-friendly workflow
Resize JPG, PNG, WebP, GIF and other common web image formats from one page.
Local browser processing
Resize files on your device without sending the source images to PicTechAI for this operation.
Popular resize presets for real publishing scenarios
Start with a standard size, then fine-tune width and height for your platform.
E-commerce
Social media
ID photo
Web and screen
Resize more than just one image type
Use one workflow for everyday formats, web assets, animated images and professional source files.
Common web images
Resize everyday image files for websites, stores and social content.
Animated and transparent files
Prepare GIF and transparent PNG assets for pages, chat, products and campaigns.
Professional and special formats
A practical entry point for design, catalog and technical image workflows.
One image resizer for many teams
From product operations to daily content publishing, the same page covers common resizing jobs.
Prepare product images for marketplaces
Convert product photos into consistent square images for stores, marketplaces and cross-border product feeds.
Create social and campaign assets faster
Resize creative images into vertical, square and banner sizes without rebuilding the design each time.
Fix daily photo size requirements
Make ID photos, profile pictures, document attachments and blog images meet exact pixel rules.
How to resize an image by pixels online
The workflow is short enough for daily use and clear enough for batch operations.
Choose images
Open the single or batch resize tool and select the images you want to adjust.
Set size rules
Enter width and height, keep the original ratio, or choose a ready-made preset.
Download results
Preview the resized images and save the finished files for your store, post or document.
Image resizing FAQ
Answers about pixel dimensions, aspect ratio, batch resizing, file size and browser-based processing.
Is the PicTech AI online image resizer free?
Yes. The online image resizing workflow is designed to be free for everyday single-image and batch resizing needs.
Can I resize multiple images at once?
Yes. Use the batch resize workflow to apply the same pixel size, ratio or preset to many images.
Does resizing pixels change the image file size in KB?
Reducing pixel dimensions often lowers file size, but resizing does not target a specific KB value. For stronger file-size control, use PicTech AI image compression after resizing.
Does it support GIF images?
The resize workflow is designed for common image formats including JPG, PNG, WebP and GIF use cases.
Will resized images become blurry?
Best results come from scaling down high-resolution originals or keeping the original aspect ratio when changing dimensions.
Are my images uploaded while resizing?
No. The resize workflow processes selected images locally in your browser.