Resize Image
Resize PNG online free—scale PNG with transparency, or resize JPEG/JPG by pixels or percent. Preview, then download PNG or JPG. No upload.
Explore Bigjpg to enlarge images with AI—upscale photos, anime, and artwork with noise reduction in the browser. Freemium plans for higher ratios.

Use a simple resizer or cleanup tool on Uwarp when AI super-resolution is more than the job needs; try creative upscaling overviews when you want inventive detail.
Details below the decision summary—features, workflow, and scope notes.
Reviewed on 21 August 2026 · Bigjpg — official site
AI super-resolution enlarge
Upscale images beyond a plain pixel stretch using neural network reconstruction.
Artwork and photo modes
Choose cartoon/illustration or photo-oriented settings to match edges and textures.
Noise reduction controls
Tune denoise strength so enlargement stays clean without oversmoothing detail.
Multiple enlarge ratios
Common 2x–16x style ratios (paid tiers unlock higher ceilings)—confirm live options on site.
API for logged-in users
After login, Bigjpg documents an API for programmatic enlarge jobs.
Open the uploader
Go to bigjpg.com and select the image you want to enlarge.
Pick style and ratio
Choose artwork vs photo, the enlarge factor, and noise reduction level.
Wait for processing
Jobs can take minutes depending on size and ratio; logged-in users can leave and return.
Download and verify
Save the result, check edges and noise, then re-run with different settings if needed.
Illustrators and anime fans
Enlarge line art and cartoon frames while keeping edges cleaner than naive scaling.
Designers preparing exports
Blow up small assets for decks, mockups, or print-size previews.
Social and content teams
Upscale photos when the source is too small for the destination crop.