image-upscaling.net
FreemiumFree AI image upscaler with no sign-up, no watermarks, and up to 16K output
工具信息
什么是 image-upscaling.net？
image-upscaling.net is a free online AI image upscaler that enlarges images up to 4x and 16K using multiple AI models. It provides detail restoration, face improvement, and support for photos, art, drawings, and anime, with no sign-up or watermarks for small-scale use and optional paid quota for more capacity and priority.
核心功能
Multiple AI Upscaling Models
Choose among Diffuser (strong for poor-quality photos and natural textures, with optional text prompt), Plus (sharp outputs for decent-quality images and art, up to 32MP), and General (large outputs up to 256MP/16K, fast for art and drawings).
2x / 4x AI Scaling
Scale images by 2x or 4x using AI, with large image support up to 4096x4096 input and outputs up to 16K depending on the model.
Face Restoration
Optional face restoration / Face Enhance to improve blurred or pixelated faces (noted as slower).
Bulk Processing and Format Support
Supports bulk image processing and common formats PNG, JPG, WebP (GIF and animated formats not supported); optional WebP output for smaller file sizes.
Transparent Image Support
Plus and General models support transparent images.
No Sign-Up Free Tier with Daily Quota
100% free for small-scale use with no paywall, no sign-up, and no watermarks; a daily free quota applies and more quota is available via account.
Android APK
Downloadable Android APK version of the service is available.
Automatic Image Cleanup
Processed images are only visible to the user and are automatically deleted a few minutes to 3 hours after processing.
使用场景
- #1
Upscaling Art, Drawings, and Anime
Enlarge AI art, drawings, and anime with Plus or General models for sharp, large outputs while supporting transparency.
- #2
Restoring Low-Resolution or Poor-Quality Photos
Use Diffuser or face restoration options to recover detail from small, low-quality, blurred, or pixelated photos.
- #3
High-Resolution Output for Large Images
Produce very large results up to 256MP (16K) with the General model for users needing high-resolution exports.
- #4
Bulk Image Enhancement
Upload and process multiple images at once for batch upscaling workflows.
定价方案
100% free for small-scale use with no sign-up, no paywall, and no watermarks, subject to a daily free quota. Service is donation-funded (Stripe). Users can visit /account for more quota; paying users are served first during high demand.
