Upscale anime-style images with this neural network-based image enlargement tool, which targets sharper lines and reduced noise.

Visit Bigjpg
bigjpg.com
Bigjpg homepage screenshot

About Bigjpg

Bigjpg is a web, Android, and iOS tool that enlarges images using deep convolutional neural networks. It is aimed at anime-style artwork and illustrations, and the homepage also states that regular photos are supported. The tool enlarges images up to 16 times their original size. According to the source, it reconstructs lines, colors, and fine details rather than simply stretching pixels, and it reduces noise and serration in the output.

Logging in unlocks more features. The source says logged-in users can enlarge images more quickly and stably, view enlarging history, and use an API. Free accounts have upload limits of 3000x3000 px and 5 MB, while paid accounts have a 50 MB limit. Processing time depends on server traffic and time of day, and an enlargement can occasionally fail, in which case the source suggests trying again. Paid plans are offered and accept Alipay and WeChat payment, but pricing is not stated in the source. The homepage privacy policy text is incomplete, so this entry does not describe data handling.

Key features

  • Enlarges images up to 16 times their original size
  • Uses neural networks to reconstruct lines, colors, and fine details
  • Reduces noise and serration in enlarged images
  • Processes anime-style artwork and regular photos
  • Batch download of multiple enlarged images
  • API access available after logging in
Best for: People who want to enlarge anime-style artwork or illustrations while keeping lines clean and noise low.
Good for
  • The source states that anime images and illustrations are nearly perfectly processed, with colors, details, and edges well kept.
  • Reconstructs image content rather than stretching pixels, according to the homepage.
  • Logged-in users can enlarge images offline, without keeping the browser open.
Watch out for
  • Free accounts are limited to images of 3000x3000 px and 5 MB.
  • Processing time depends on server traffic, and enlargements can occasionally fail.
  • Enlarging history is shown only for the last day.

Bigjpg at a glance

Website
bigjpg.com
Type
Online tool
Pricing
Not confirmed. Check the site
Platforms
Android, iOS, Web
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Bigjpg FAQ

Does bigjpg support an API?
Yes. The API can be found after logging in.
What are the maximum limits on uploaded images?
Free users can upload images up to 3000x3000 px and 5 MB. Paid users have a limit of 50 MB.
Should I keep my browser open after starting an enlargement?
If you have not logged in, yes, because the enlarged image is lost if the browser closes. If you have logged in, you can close the browser because offline enlarging is supported.
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