在线 Upscale Image
用 NanoPhoto.AI 快速 upscale image。上传一张商品图、人像、Logo、缩略图或创意素材，选择输出分辨率，让 AI 放大模型重建纹理、边缘和细节，生成适合电商、广告、演示和社交媒体的高清图片。
AI 图片放大
生成更清晰的高分辨率图片
Sharper high resolution
Upscale image size while improving perceived clarity, edge definition, and texture so small assets can become clean hero graphics, catalog images, and presentation visuals.
Detail restoration
The AI image upscaler rebuilds detail instead of stretching pixels, helping portraits, product edges, packaging, and soft materials look more polished.
One-credit workflow
Each upscale image request costs one credit, making it easy to repeat the upscale image workflow for thumbnails, marketplace photos, team assets, and launch materials.
Simple workflow
Upscale image quality in three focused steps
NanoPhoto.AI keeps the upscale image workflow short enough for daily production work while still giving teams a serious high-resolution result. Instead of opening a heavy editor, resizing manually, sharpening with guesswork, and exporting multiple versions, you upload a file or paste a public image URL, choose the output resolution, and download the enhanced image. The page is designed for people who need to upscale image assets quickly without exposing private server credentials to the browser or running a separate desktop tool.
Upload or paste
Start with a product photo, creator portrait, logo mockup, listing image, or social graphic. You can upload a local file or paste a public HTTPS URL, then NanoPhoto.AI prepares the upscale image request on the server so the API key stays private.
选择输出分辨率
日常网页图选择 720p 或 1080p，需要更大横幅、裁剪空间、商品缩放图或演示素材时选择 1440p，需要接近 4K 的高清结果时选择 2160p。
Download the result
When the result is ready, download a JPG, PNG, or WebP image. Use the upscaled image in a product gallery, pitch deck, ad creative, thumbnail, landing page, or another NanoPhoto.AI workflow without rebuilding the asset by hand.
Built for creators, shops, and small teams
A reliable upscale image tool saves time whenever one low-resolution asset needs to work across more placements. Use it before building banners, catalog pages, course slides, comparison graphics, creator thumbnails, or sales decks. Teams that upscale image assets early can reuse the same source photo across more channels without waiting for a reshoot.
Product listings
Marketplace teams upscale image files from suppliers, phones, and old catalogs so SKU photos look more consistent. A sharper upscaled image can support zoom views, ads, and seasonal layouts without changing the original product.
Creator visuals
YouTubers, educators, newsletter writers, and founders upscale image thumbnails, portraits, screenshots, and props before placing them into covers, tutorials, pitch slides, or launch graphics.
Design cleanup
Design and marketing teams upscale image assets before cropping, retouching, removing backgrounds, or generating new scenes. It is a fast prep step for cleaner compositions and more flexible final exports.
Upscale image FAQ
Answers for teams using NanoPhoto.AI as a daily upscale image tool and a dependable way to upscale image quality before publishing, selling, or designing.
How does NanoPhoto.AI upscale image files?
NanoPhoto.AI sends your image through a secure server route for AI upscaling. The model increases resolution, restores fine texture, and returns a new high-resolution image. Private processing credentials stay on the server, so the browser never exposes them.
How many credits does it cost to upscale image quality?
One image costs one credit. NanoPhoto.AI pre-deducts that credit before processing to prevent concurrent abuse. If the upscale image request fails, the credit is refunded automatically so failed generation does not cost the user.
放大图片时应该选择哪个输出分辨率？
小型网页图可选 720p，商品图、人像、缩略图和日常素材通常选 1080p；横幅、裁剪和大图展示可选 1440p；需要接近 4K 输出时选 2160p。原图太小或压缩严重时，效果仍会受限制。
Which image types work best?
PNG, JPG, and WebP files work well when the subject is visible and not extremely blurred. Product photos, faces, packaging, graphics, screenshots, and marketplace assets usually benefit from an upscale image pass when the original has enough detail to recover.
Can I upscale image files from a hosted URL?
Yes. Paste a public HTTPS image URL when your file already lives on a CDN, website, or storage bucket. Private links, expired URLs, or hosts that block automated access may fail, so uploading the image is usually safer for one-off work.
Is this different from normal resizing or sharpening?
Yes. Normal resizing mostly stretches pixels, while an AI upscale image model predicts missing detail and improves edges, texture, and perceived clarity. Manual retouching is still useful for art direction, but NanoPhoto.AI is designed for fast high-resolution assets that are ready to reuse.