Light & colour

Sharpen image

Sharpen a blurry or soft photo online — boost edge detail and clarity with an adjustable amount, free and 100% private, in your browser.

100% private — your photos are processed in your browser and never leave your device.

sharpen
Upload your image to sharpen

Drag and drop file to here to upload.

Types we support:avifbmpcurgifheicheificojfifjp2jpegjpgpjppjpegpngtiftiffwebpxbm
…or try one of the sample images:
Author: Volker ThimmVolker Thimm
Author: Thien Phuoc PhuongThien Phuoc Phuong
Author: Atlantic AmbienceAtlantic Ambience
Author: Alexas FotosAlexas Fotos
Author: Tonmoy BhaktaTonmoy Bhakta
Author: athul santhoshathul santhosh

Sharpen an image online to bring back crisp detail — recover a slightly soft photo, make text and edges pop, or add bite to a downscaled image. PIXLFLW works entirely in your browser: your photo is sharpened locally and never uploaded to a server.

What you can do

  • Adjustable strength — from a gentle clarity boost to a strong high-pass sharpen.
  • Enhance image quality — restore perceived detail lost to soft focus or resizing.
  • Make edges crisp — emphasise outlines in product shots, screenshots and text.
  • Combine with resize — downscale first, then sharpen to counter the softening, in one pipeline.

How to sharpen a picture

  1. Drop an image into the upload area (formats: GIF, JPG, BMP, PNG, WEBP, HEIC, TIFF).
  2. Increase the sharpen amount until the edges look crisp.
  3. Download the sharpened image as JPG or PNG.

Sharpening enhances existing detail — it boosts contrast along edges rather than inventing detail that was never captured, so use a moderate amount to avoid halos and noise.

Questions

Frequently asked questions

01How do I sharpen a blurry photo?

Upload the image and increase the sharpen amount until edges look crisp. Sharpening boosts local contrast along edges to recover perceived detail; it enhances existing detail rather than inventing anything that was never captured.

02How much sharpening is too much?

Push the amount too high and you get halos around edges and amplified noise. A moderate amount (around 100–150%) is a safe default; preview the result and back off if outlines start to glow.

03Can I sharpen an image after resizing it?

Yes — that is the ideal order. Downscaling softens an image, so add a sharpen step after resize in the same pipeline to restore crispness before you download.

04Are my photos uploaded to a server?

No. PIXLFLW runs entirely in your browser: images are opened, edited and exported locally on your device and are never uploaded, stored or seen by anyone.

05Is it really free? Are there watermarks or limits?

Yes, completely free — no sign-up, no watermarks and no daily limits. The only practical limit is your browser memory for very large files (up to 20 MB per image).