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Enhance Picture

Free picture quality enhancer

Enhance picture quality in your browser

Low picture quality usually means compression artifacts, noise or washed-out colour — not missing pixels. This page runs Real-ESRGAN AI at 1× to clean up your picture at its exact original dimensions, and the quick corrections fix exposure and colour on top. Everything happens on your own device: free, no account, no watermark, and nothing is uploaded anywhere.

Drop a picture below, press Enhance with AI, and drag the split preview to see the quality difference.

  • Always free
  • No account
  • Same-size cleanup
  • Removes artifacts
  • 2× / 4× optional
  • Runs on your device

Drop a picture here — AI enhancement starts on its own

JPG, PNG or WebP — up to 20 pictures at once

How to enhance picture quality online

Three steps, free, and the picture never leaves your browser.

  1. Drop the low-quality picture

    Drag a JPG, PNG or WebP file onto the drop zone, tap Choose pictures, or press Ctrl+V (⌘V on a Mac) to paste straight from the clipboard — a screenshot, a chat download or an old save all work. Up to 20 pictures per batch.

  2. Run the quality enhancement

    Auto fix instantly corrects tone problems — washed-out contrast, dark exposure, flat colour and soft edges. Enhance with AI runs Real-ESRGAN on your device to remove compression artifacts and rebuild lost texture. The AI scale is preset to 1× on this page, so the output keeps the exact same dimensions with better quality; switch to 2× or 4× if you also need more pixels.

  3. Preview and save

    Drag the split preview across the picture to compare before and after, adjust with the sliders if needed, then press Download enhanced — or Download all for the entire batch. Copy puts the result on your clipboard as a PNG, ready to paste into a chat or document.

Questions about enhancing picture quality

How can I enhance picture quality for free?
Drop your picture on this page and press Auto fix or Enhance with AI. Both are free, unlimited and require no account — the enhanced file downloads in its original format with no watermark. The AI scale starts at 1× here, so you get a cleaner picture at the same dimensions.
What kinds of quality problems does the AI fix?
Real-ESRGAN was trained on photos with real-world JPEG compression, noise, blur and downscaling, so it handles the four most common quality issues: blocky compression artifacts from chat apps and social media, high-ISO grain from low-light shots, general softness, and the muddled texture that comes from saving at low quality. The Auto fix stage adds tone and colour correction on top.
Does enhancing quality change the picture size?
Not at the default 1× setting — the output has exactly the same pixel dimensions as the input, with artifacts and noise cleaned up. Choose 2× or 4× if you also want a larger picture; the AI upscales while it cleans, keeping the original aspect ratio.
Can it fix a picture forwarded through WhatsApp or Messenger?
That is its strongest case. Chat apps compress aggressively, and the AI model was trained specifically on that kind of degradation. A picture that went through two or three re-shares typically comes back with noticeably sharper edges and recovered texture at 1×.
Will the enhanced picture lose quality when I save it?
The tool re-encodes JPEG and WebP at quality 0.92 — visually transparent for photographs — and PNG losslessly with transparency intact. Each file saves in the same format it arrived in, so nothing gets silently converted or re-compressed.
Is the AI running on a server?
No — Real-ESRGAN (the realesr-general-x4v3 network, BSD-licensed) runs entirely on your device through WebGPU or WebAssembly. The one-time download is about 4.9 MB of model weights plus the runtime, cached after first use. No picture ever leaves your browser.
Can I enhance the quality of many pictures at once?
Up to 20 per batch. The same settings apply to all of them — which fits the usual case where a set of pictures came from the same camera or the same chat export — and Download all writes every enhanced file in one go.
How is this different from the photo quality page?
It is the same tool with the same engines and the same 1× preset. This page is written for people searching for "picture quality" rather than "photo quality" — the enhancement is identical either way.

Why most pictures look bad — and what fixes each problem

A picture that “looks low quality” is usually suffering from one of four things. Compression damage — the blocky, smeared look after a picture was forwarded through chat apps or saved at low quality — is what the AI pass handles best, because Real-ESRGAN was trained on exactly that kind of degradation. Noise and grain from low-light or high-ISO shots go through the same network, which separates real edges from sensor noise better than a blur-based denoiser. Flat tone — washed-out contrast, dark exposure, muted colour — is a measurement problem, not a detail problem, and the Auto fix stage handles it instantly. Softness responds to the sharpness slider when mild, or to the AI pass when it is genuine blur.

This page presets the AI scale to 1× because quality and size are separate problems. Upscaling a damaged picture just makes the damage bigger; cleaning it up at 1× first is the step that actually improves how it looks. If you need more pixels too — for a print, a crop or a presentation — switch the scale to 2× or 4×, or start from the enhance picture resolution page, which is preset to 4×. For a full rundown of every processing stage, the about page walks through each one, and the main picture enhancer starts with the general-purpose defaults.

No upload, no quality lost in transit

Everything runs in your browser through the Canvas API and on-device AI — there is no server that receives your picture, so nothing is re-compressed by an upload pipeline, stored, or inspected. The only download is the one-time 4.9 MB AI model on first use; after that the enhancer works fully offline.