BigJPG
A tool for lossless image enlargement using deep convolutional neural networks (CNNs). The official claims it can enlarge images up to 16 times with intelligent noise reduction. It is optimized for illustrations and photos separately, reconstructing lines and details instead of stretching pixels. It also provides clients, APIs, and old photo restoration services.
Updated: 2026-10-26
What is BigJPG?
Bigjpg is a tool specifically designed for image upscaling. Its official website states that it uses deep convolutional neural networks (CNNs) to perform "lossless upscaling". The official claims that it can upscale images by up to 16 times, and during the upscaling process, it reconstructs lines, colors, and fine details instead of simply stretching pixels. The difference between it and comprehensive image editors is that it only does one thing: upscaling. It is optimized for two types of materials separately: illustrations, which focus on lines and color blocks, and photos, which focus on textures and noise. The official website summarizes it as "clearer lines and details, smarter noise reduction for cleaner images, suitable for illustrations and photos". In addition to the web version, the official website navigation also provides access to prices, frequently asked questions, APIs, and software downloads. At the bottom, it lists AI image magic upscaling, AI old photo restoration, AI video lossless upscaling and frame interpolation from the same site.
Who is it for?
- Illustrators andanime-style enthusiasts who need to enlarge small-sized images to use as wallpapers or merchandise
- Designers who only have low-resolution materials and need to upscale them to usable sizes
- People who need to restore old photos and scanned documents
- E-commerce and printing professionals who need to enlarge small images to produce large-format materials
- Developers who need to integrate the upscaling capability into their own systems (the official website provides an API)
Key features
6AI-Powered Image Upscaling
Super-resolution scaling based on deep convolutional neural networks, officially supporting up to 16x magnification. It also notes that processing becomes faster, more capable, and more stable after logging in.
Dual Adaptation for Illustrations and Photos
The official website clearly marks it as "Suitable for Illustrations and Photos". Illustrations focus on restoring lines and color blocks, while photos focus on recovering textures and details.
Intelligent Noise Reduction
Suppresses noise while enlarging the image, which the official describes as making the "picture cleaner", and is particularly useful for scanned documents and low-light photos.
Line and Detail Reconstruction
The official claim is that it does not merely stretch pixels, but reconstructs lines, colors, and fine details, resulting in sharper edges after enlargement.
AI Old Photo Restoration
A neighboring feature listed at the bottom of the official website, used to repair old or damaged photos, and used in conjunction with the image enlargement process.
AI Video Lossless Upscaling and Frame Interpolation
A video-side feature available on the same platform, which extends upscaling and frame interpolation capabilities to video scenarios.
How to use BigJPG
- First, clarify the target magnification before uploading โ the higher the magnification, the more it depends on the quality of the original image.
- If the original image is blurry, it is usually more stable to denoise it first and then enlarge it than to pull it to the maximum at one time.
- Select the corresponding mode for illustrations and photos: the default mode is sufficient for illustrations, and photos can be fine-tuned with denoising intensity.
- The specific gear is subject to the options on the page.
- The official website lists three paid tiers: Basic, Standard and Premium (the amounts displayed on the page are 35 yuan, 69 yuan and 138 yuan respectively).
- There are also API and client downloads available.
- Prices and rights may be adjusted.
- Please refer to the instructions on the official website's current page before purchase.
- the free version can be used to verify the effect first.
- Confirm the authorization of the original image before commercial use, especially the redistribution scope of illustrations and photographic works.
Traffic & popularity
Data month Sep 2026
BigJPG receives about 541.2K visits per month and ranks #126,662 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct57.3%
- Search34.6%
- Referrals3.5%
- Social2.2%
- AI assistants1.7%
- Other0.7%
Top countries
- China12.1%
- Mexico8.1%
- Peru8.0%
- Russia6.0%
- India5.1%
Estimated from third-party traffic data.
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