Sukat · PNG · 50 KB

Compress a PNG to an exact 50 KB

PNG is a lossless format — there’s no quality dial to drop, so the only real way to make a PNG smaller is to reduce the number of pixels. Sukat handles that automatically: set the target, pick PNG output, and the algorithm downscales until the encoded result fits under 50 KB — transparency intact.

Compress PNG to 50 KB now →
Last reviewed: July 2026

PNG is the right output for transparency, logos, icons, screenshots, and crisp line art. For photographs, switch the output to JPEG or WebP — the visible quality difference at 50 KB is dramatic.

A 900 KB PNG reduced to fit under a 50 KB limit Animation: you set a 50 KB limit and require PNG output; the file size counts down as the image is downscaled from 900 KB and lands at 48 KB, under the limit. YOUR LIMIT 50 KB PNG · ALPHA KEPT ← format + size, both locked CURRENT FILE SIZE 900 KB 380 KB 160 KB 84 KB 48 KB downscale search · dimensions reduced until it fits · lossless DONE48 KB · PNG — fits
How to

Compress a PNG to 50 KB

Three steps. The algorithm downscales until the encoded PNG fits — transparency preserved.

Upload your PNG

Drop the file onto Sukat. Transparency is preserved through the conversion when the output is PNG.

Set 50 KB and PNG output

Type 50 in Maximum File Size, select KB, and pick PNG. Optionally lower Target Width if the destination only needs a smaller pixel dimension.

Convert and download

Sukat downscales until the encoded PNG fits under 50 KB. The live preview shows the actual output dimensions first.

The trade-off

PNG vs JPEG at 50 KB

JPEG (and WebP) compresses by throwing away visual detail you can’t see. PNG doesn’t — it stores every pixel exactly. Same target file size, very different output:

JPEG / WEBP AT 50 KB

~1000–1200 px · quality ~78

A photo stays large and looks visually clean at typical display sizes.

PNG AT 50 KB

~350–500 px · lossless

The same photo is downscaled hard, but every remaining pixel is pixel-perfect.

So pick PNG when the format requirement is real — transparency, screenshots, logos, icons, line art. At 50 KB a flat-colour graphic or a UI screenshot usually holds at or near full size. Pick JPEG or WebP when the input is a photo and the destination just wants something under 50 KB. Sukat handles all three; switch the output dropdown.

Use cases

When PNG at 50 KB is the right choice

50 KB is a tight cap — it suits the small, flat-colour, transparent assets PNG was built for.

  • Logos and brand marks. Sharp edges and flat colour, sitting comfortably under a CMS or email-template upload limit.
  • Favicons and app icons. Small square marks where crisp pixels matter more than colour depth — for real favicons, use Sukat’s ICO output.
  • UI icons and interface assets. Toolbar glyphs, buttons, and small controls that ship with a component library or theme.
  • Screenshots. Documentation, bug reports, and support tickets that must stay small without blurring the text.
  • Transparent overlays. Watermarks, badges, and stickers that need an intact alpha channel at a small file size.
  • QR codes and barcodes. Where decoder accuracy depends on edge sharpness that JPEG would smear.
Why Sukat

Why Sukat for PNG-to-50-KB

The honest path through a constraint that doesn’t bend.

Honest about the trade-off

Most tools either silently re-encode as JPEG (losing transparency) or fail when the graphic can’t fit. Sukat keeps the format you asked for and downscales to fit — and previews the actual output dimensions first, so there’s no surprise.

Transparency preserved

Cropping, painting, and Remove Background all preserve PNG’s alpha channel through the workflow — the 50 KB output keeps its transparent edges.

One-click switch to JPEG / WebP

If the input turns out to be a photo and PNG isn’t required, change the output dropdown — Sukat re-runs the same target-size search with a format that compresses photos efficiently at 50 KB.

Privacy

Compression runs in your browser via the Canvas API. Your PNGs never reach a server, and you can confirm it by switching to airplane mode after the page loads.

Questions

FAQ

Why is PNG compression different from JPG compression?

PNG is a lossless format with no quality dial — the encoder can’t trade visible quality for file size the way JPEG can. The only way to make a PNG smaller is to reduce the number of pixels, so Sukat compresses PNG by downscaling dimensions until the encoded result fits your 50 KB target.

Does Sukat keep transparency at 50 KB?

Yes. When the input PNG has transparent regions and the output format is PNG, Sukat preserves the alpha channel through the conversion — transparent backgrounds and edges stay intact in the 50 KB output.

Should I use PNG or JPG for a 50 KB target?

Use PNG when you need transparency, sharp text, or crisp edges — logos, icons, screenshots, line art. Use JPG for photos: its lossy compression handles photographic detail far more efficiently at 50 KB. Sukat can convert between the two during compression — just switch the output dropdown.

What if my PNG is a large screenshot or graphic?

PNG handles screenshots and flat-colour graphics very efficiently, so many fit under 50 KB at or near full dimensions. If yours doesn’t, Sukat downscales pixel dimensions — never touching the format — keeping text and edges as sharp as possible at the smaller size. The live preview shows the output dimensions first.

Can I convert my PNG photo to JPG instead?

Yes — and for photo content, this is usually the better choice. Set the output format to JPEG, set 50 KB, and Sukat encodes a JPG instead. At 50 KB a photo will look far sharper as a JPG than as a heavily downscaled PNG.

Are my PNGs uploaded to a server?

No. Compression runs entirely in your browser via the Canvas API. Your PNGs never reach a server — nothing is uploaded, stored, or seen by anyone else. Verify by switching to airplane mode after the page loads; it still works.
Related tools

Keep going

Compress PNG to 100KB — the looser PNG neighbour, more headroom for transparency Compress JPG to 50KB — same 50 KB target, for photos (JPG-format-specific) Compress Image to 50KB — same target, any format (WebP / JPG / PNG) HEIC to PNG — convert iPhone HEIC to PNG with transparency Reduce Image Size in KB — pick any custom KB target Image Size Guide — full breakdown by platform and use case

Hit exactly 50 KB — transparency intact.

Free, browser-based, no upload, no watermark. Keeps PNG’s alpha channel; switch to JPEG or WebP in one click for photos.

Compress PNG to 50 KB now →