Anime image upscaler online

Photos are forgiving: a slightly soft patch of leaves or skin still looks natural. Illustrations are not. Lines should be crisp, flat colour areas should be flat, and gradients should be smooth. An ordinary resize turns lines into blurry grey bands. JPEG compression adds blocks to flat areas and halos to lines.

A good result for drawn art sharpens the edges of lines, keeps flat areas clean and does not reinterpret the artist's shapes.

Upscale 4× makes the image four times wider and taller and accepts images up to 5 MP. It rebuilds edges and adds natural fine texture, which is what photos need. On anime art that texture can show up as a faint grain in flat colour areas or along lines. Always check flat areas and outlines at 100 %.

For a very small source, such as an old icon or a 320-pixel thumbnail, Upscale 8× makes it eight times wider and taller. It accepts images up to 1.25 MP, uses 2 credits per photo and adds the same fine texture, so check it the same way.

If the image shows JPEG blocks or halos around lines, run Enhance first, at the same size, and enlarge the cleaned file. Enhance was built for photos as well, so check flat colour at 100 %.

Upscale 4× multiplies width and height by four, so the result has sixteen times as many pixels. A 480 x 270 image becomes 1920 x 1080, a 960 x 540 image becomes 3840 x 2160, and a 1280 x 720 frame becomes 5120 x 2880. For a 4K wallpaper, a 960 x 540 source is exactly enough. If the result is bigger than you need, reduce it in any editor; reducing keeps it sharp.

Where the image came from tells you what to expect:

• Frames from older anime: often DVD resolution or lower, with soft lines from production and video compression. Expect cleaner, larger lines, not the detail of a modern 4K release.
• Fan art saved from social media: usually resized and recompressed, with halos around lines. Clean the compression first, or better, get the artist's original upload.
• Wallpapers: often the right content at the wrong size. These usually enlarge best, because they started as clean art.
• Your own art exported small: if you still have the original file, export it again at a higher resolution. That beats any upscale.

Find the largest version you can. For video frames, export the frame at full resolution instead of screenshotting a scaled player window. Zoom to 100 % and look for blocks and halos; clean them first if you see them.

Upload the clean image and choose the enlargement. Check the result at 100 %: lines should be continuous and clean, flat areas flat, and eyes and hair should keep their shapes. If flat areas picked up texture you do not want, reduce the result to the size you actually need, which makes fine texture much less visible, or keep the original.

Generative upscalers can make anime art look impressive by redrawing it: extra highlights in eyes, new hair strands, added background texture. On a reference image, a commission or a scanned page, that changes the artwork. PhotoRescue does not redraw shapes, but its photo models do add fine texture, so a model trained only on anime may suit some styles better. Test three of your own images on the free plan before processing a large set.

Please only upscale images you have the right to use.

You get 3 free credits a day with no sign-up or card, with a watermark on results and an upload limit of 3 MB and 8 MP. Pro ($9.99 a month, 200 credits) and Pro+ ($19.99 a month, 500 credits) remove the watermark, accept 20 MB and 30 MP uploads and process batches of up to 50 images. Processing runs on our servers, so any device with a browser works.