AI Image Upscaler & Photo Enhancer

Upscale images 2× or 4× and enhance real detail - not just stretched pixels. Basic is free with no sign-up; create a free account for Pro 4K credits.

Upload a photo to upscale

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or drag & drop / paste · JPG, PNG, WEBP
Model
Free 4K · Best quality

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  • ✓Basic 2× is free - no account, no watermark
  • ✓Real AI detail: sharper faces, hair, textures and text
  • ✓Pro 4K+: free daily credits when you create an account
AI upscaled photo, 4x resolution with reconstructed detail Original low resolution photo before AI upscaling Original AI upscaled
Drag the slider - the AI reconstructs detail instead of stretching pixels.
How it works
  1. 1
    UploadJPG, PNG or WEBP. Drag & drop or paste.
  2. 2
    Pick a model & scaleBasic 2× is free. Pro reaches 4K+ with far more detail.
  3. 3
    Compare & downloadInspect before/after, then save the full-size file.
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What Our Users Say

Rated 4.7 out of 5 based on 33 user ratings

AI Image Upscaler: Enlarge Photos Without Losing Quality

This free AI image upscaler and photo enhancer increases the resolution of any picture 2×, 4× or all the way to 4K - and, unlike a normal resize, it actually adds detail. Small web images, old scans, phone photos and screenshots come out sharper, cleaner and print-ready. Basic 2× upscaling is free with no account; the Pro model delivers the highest quality for large prints and professional use - and every registered user gets free Pro credits daily. Pro also outputs any exact resolution you type in, which makes it a favourite of creators who need graphics at a specific size: thumbnails, social posts, shop listings, banners and print files.

How does an AI image upscaler work?

Every digital photo is a grid of pixels. When you make that grid bigger, new pixels have to come from somewhere. A classic resize (bilinear or bicubic interpolation) simply averages the neighbouring pixels to fill the gaps - no new information is created, so the enlarged picture looks soft, blurry or blocky.

An AI upscaler works differently. It uses a super-resolution neural network that has been trained on millions of pairs of low-resolution and high-resolution images. From that training it has learned what real-world detail looks like: how the edge of a letter should be crisp, how skin, hair, fabric, foliage and brick texture behave, how JPEG compression blocks differ from actual content. When you upload a photo, the model analyses it and reconstructs plausible detail at the larger size - sharpening edges, rebuilding textures, removing noise and compression artefacts - instead of just spreading the old pixels out.

Super-resolution, not interpolation

The network predicts new high-frequency detail (edges, textures, fine lines) that interpolation can never produce. The result stays sharp at 2×, 4× and beyond.

Artefact & noise removal

Blocky JPEG compression, colour banding and sensor noise are recognised and cleaned up while genuine detail is preserved - a built-in photo quality enhancer.

Faces, text and textures

Trained on portraits, documents and natural scenes, the AI keeps faces natural, makes small text legible and restores fabric, hair and foliage detail.

Same photo, more pixels

Composition, colours and identity stay the same. You get the picture you uploaded - at 2×, 4× or 4K resolution, ready for printing, cropping or large displays.

Why “just stretching” an image looks bad

If you have ever enlarged a photo in a basic editor, you know the result: everything turns mushy, edges get jagged “stairs” and any compression artefacts become twice as big. That happens because interpolation has to invent pixel values from the surrounding ones - a mathematical average - and an average is always blurrier than the original.

Stretching (bicubic resize)
  • Pixels are duplicated or averaged - zero new detail
  • Edges become soft or staircase-jagged
  • Compression blocks and noise are enlarged too
  • Text and fine lines stay unreadable
AI enhancing (super-resolution)
  • New detail is reconstructed from learned image statistics
  • Edges are re-drawn crisp at the new resolution
  • Artefacts and noise are removed, not multiplied
  • Faces, hair, textures and text become sharp and natural
Try it: upload any image, then drag the before/after slider on the result. The left side is your original stretched to the new size; the right side is the AI reconstruction. The difference is most obvious on hair, eyelashes, fabric, brick, grass and small text.

Basic vs. Pro: which upscaler should I use?

Basic - free image upscaler (2× / 4×)

A fast super-resolution model that runs in seconds. 2× is free for everyone, no sign-up; 4× is available to subscribers. Ideal for social media, e-commerce thumbnails, presentations, screenshots and quick fixes of small web images. Input up to 2560 px (2×) or 3840 px (4×) on the longer side.

Pro - 4K photo enhancer (SeedVR2)

A much larger generative model that rebuilds significantly more texture and detail and copes far better with blurry, noisy or heavily compressed sources. Outputs up to 6,000 px on the longer side - perfect for large prints, wallpapers, product photography, real-estate shots and restoring old photos. Pro also offers a 1× enhance-only mode that keeps the original size and just cleans up blur, noise and compression, plus a custom output resolution - exact width and height for print sizes, banners or marketplace requirements. Costs 0.2 credits per image - create a free account and claim 0.4 free credits every day (two Pro upscales), or use your plan credits.

Custom resolution: exact sizes for creators, sellers and designers

Most upscalers only offer 2× or 4×. But if you publish content, you rarely need "twice as big" - you need exactly 1280 × 720 for a YouTube thumbnail, 1080 × 1350 for an Instagram portrait post, or 2000 × 2000 for a marketplace listing. With the Pro model you open Custom resolution, type the width and height, and get a file at that exact size - upscaled with real AI detail, not stretched. Keep the aspect ratio locked for a clean enlargement, or unlock it and the image is enlarged to cover your size and centre-cropped, so nothing is ever distorted.

YouTube, TikTok & streaming

Turn a screenshot or phone photo into a sharp 1280 × 720 or 1920 × 1080 thumbnail, channel art (2560 × 1440) or stream overlay without the usual blur from upscaling small captures.

Instagram, Pinterest & social posts

Prepare 1080 × 1080 squares, 1080 × 1350 portraits, 1080 × 1920 stories/reels covers and 1000 × 1500 Pinterest pins from any source photo, all at platform-native resolution.

E-commerce & marketplace listings

Amazon, Etsy, eBay and Shopify each want large, square, crisp product images (typically 2000 × 2000 to 3000 × 3000). Upscale supplier photos straight to the required size and pass the minimum-resolution checks.

Print, posters & print-on-demand

Print shops and POD platforms specify pixel dimensions at 300 dpi - e.g. 2480 × 3508 for A4, 3600 × 5400 for a 12 × 18 in poster, or a T-shirt print area. Enter the exact size and print without artefacts.

Website banners, ads & headers

Hero images, X/Twitter headers (1500 × 500), LinkedIn covers, display-ad creatives and email headers all have fixed slots. Produce the right pixel size in one step instead of upscale-then-crop in a separate editor.

Wallpapers, presentations & game assets

Match a device or screen exactly - 3840 × 2160 4K wallpapers, 1920 × 1080 slide backgrounds, or a texture that must be a specific size. Custom resolution goes up to 6,000 px per side.

Workflow tip for creators: upload the largest original you have, open Custom resolution, type the size the platform asks for and check the before/after slider on text and faces. Keeping the aspect ratio locked gives the cleanest result; unlock it only when the platform's format differs from your photo, and remember the crop is taken from the centre.

What can you do with an image upscaler?

Print photos at large sizes

Turn a 12-megapixel phone photo into a 4K poster or canvas print without visible softness. Upscale first, then crop freely.

Restore old & scanned photos

Low-resolution scans and decades-old digital snapshots regain sharpness and texture. Combine with our face swap or image-to-image tools for further edits.

Enhance product & real-estate images

Marketplaces and listing sites demand large, crisp images. Upscale supplier photos or older catalogue shots to meet the requirements.

Upscale AI-generated art & game assets

Most AI generators output 1024 px images. Upscale them to 4K for wallpapers, prints, textures and video production.

Fix blurry social media downloads

Images saved from chats and social networks are heavily compressed. The AI photo enhancer cleans up artefacts and makes them shareable again.

Make small logos and screenshots readable

Text, icons and UI elements are re-drawn with clean edges, so small screenshots and logos scale up without becoming a pixel soup.

Tips for the best upscaling results

  1. Start from the best version you have. An original camera file beats a screenshot of it; a PNG beats a re-saved JPG.
  2. Don't over-enlarge. 2× is enough for screens; use 4× or Pro Max when you need to print or crop heavily.
  3. Blurry, noisy or very compressed source? Choose Pro - the generative model is built for difficult inputs. Sign in and claim your free daily credits.
  4. Check faces and text on the slider. These areas show the added detail best and reveal whether you need the stronger model.
  5. Download immediately. Results are stored only for a few days and then deleted.

Image upscaler FAQ

What is an AI image upscaler?
An AI image upscaler increases the resolution of a picture (for example from 1000x750 to 4000x3000 px) using a neural network that reconstructs fine detail. Unlike a normal resize, which only stretches the existing pixels, the AI predicts what edges, textures, skin, hair and text should look like at the larger size, so the result stays sharp instead of getting blurry or pixelated.
Is this image upscaler free?
Yes. The Basic model upscales images 2x for free and does not require an account. Registered users can claim 0.4 free credits every day for the Pro model (0.2 credits per 4K upscale), and subscribers additionally get 4x Basic upscaling and monthly credits.
How is AI upscaling different from just resizing a photo?
Resizing (bicubic or bilinear interpolation) averages neighbouring pixels to fill the new ones, so nothing new is added and the image looks soft or blocky. AI upscaling uses a model trained on millions of low/high-resolution pairs and generates plausible new detail, removes JPEG artefacts and noise, and keeps edges crisp.
What is the difference between Basic and Pro?
Basic is a fast, free super-resolution model (2x free, 4x for subscribers) that is great for everyday photos, screenshots and social media. Pro runs a much heavier generative model (SeedVR2) that reconstructs significantly more texture and detail, handles blurry or compressed sources better and can output 4K and larger images. Pro costs 0.2 credits per image; registered users can claim 0.4 free credits daily, subscribers use their plan credits.
Which file formats and sizes are supported?
Upload JPG/JPEG, PNG or WEBP up to 50 MB. For Basic 2x the longer side must be under 2560 px, for Basic 4x under 3840 px. Pro accepts images up to 4000 px on the longer side and outputs up to 6,000 px.
Can I choose a custom output resolution?
Yes, with the Pro model. Open "Custom resolution", type the width and height you need (256 to 6,000 px per side) and the upscaler produces exactly that size - ideal for creators and sellers who must deliver graphics at a specific resolution, such as 1280x720 thumbnails, 1080x1350 Instagram posts or 2000x2000 marketplace listings. The aspect ratio is kept by default; untick "Keep aspect ratio" to enter any size, in which case the AI upscales to cover the box and the result is centre-cropped, so nothing is stretched or distorted.
Can I enhance a photo without making it bigger?
Yes. Choose the Pro model and the 1x option: the AI keeps the original width and height and only restores the picture - it sharpens soft edges, reduces noise and grain, removes JPEG compression blocks and rebuilds fine texture. This is ideal for photos that are already large enough but look soft, or for cleaning up screenshots and downloads before sharing them.
Can it fix blurry or low quality photos?
Often, yes. The AI photo enhancer sharpens soft edges, reduces compression artefacts and rebuilds texture. It cannot recover information that was never captured (for example a heavily out-of-focus face), but old scans, small web images and phone photos usually improve dramatically, especially with the Pro model.
How long does an upscale take?
Basic usually finishes in a few seconds. Pro generates a 4K image and typically takes about one to three minutes depending on the input size and current load. You can keep the tab open, the result appears on this page automatically.
Do you keep my images?
Uploads and results are stored temporarily so you can download them and are deleted automatically after a few days. Please only upload images you own or have permission to use.

Responsible use

AI upscaling reconstructs detail that looks realistic but is a prediction, not a recording. Please keep that in mind when enlarging documents, evidence, licence plates or faces for identification purposes - the result should never be treated as forensic proof. Only upload images you own or have permission to use, and follow your local laws and our Terms.