FlowVidFlowVid.

Compress tool

Compress or Convert Image to 5KB Online — Free

Need an image under 5KB? This is about the smallest size any form asks for — usually a scanned signature or a thumbnail on a strict government portal. The tool shrinks your JPG or PNG to fit a 5 kilobyte budget while keeping it as legible as possible. It doubles as a free image-to-5KB converter — compress or convert any JPG or PNG to 5KB in one click.

100% private — your images never leave your device. No upload, no sign-up.

target ≤ 5 KBnothing stored

Drop your image here

or click to browse

accepts: JPG, PNG, WebP, HEIC

Required photo dimensions and file sizes differ between forms and change over time. This tool helps you hit a common target, but always verify the exact requirement on the official form or notification before you submit.

How to compress to 5kb

  1. Drop your image in, or click to browse and select it.
  2. The tool automatically finds the highest quality that still fits under 5KB.
  3. Check the live preview and the final file size.
  4. Download your optimised image — ready to upload.

What you can use it for

  • Scanned signatures with a 5KB limit
  • The strictest government upload portals
  • Tiny thumbnails and avatars
  • Any form that rejects files over 5KB

Why use FlowVid Tools

  • Private by default — we never store your images. They're discarded the moment you're done.
  • Completely free with no watermark and no sign-up required.
  • Fast — drop your image, get the result in seconds. No queues, no waiting.

Supported formats

This tool accepts JPG, PNG, WebP, HEIC as input and gives you a 5KB image as output. Files are processed in seconds and never stored — we keep nothing once you have your result.

FAQ

Frequently asked questions

A full-face photo at 5KB will be soft — 5KB suits high-contrast line images like signatures best. For a portrait, use 10KB or 20KB if your form allows it.

Yes — "compress to 5KB" and "convert to 5KB" mean the same thing here. The tool re-encodes your JPG or PNG and shrinks it to fit 5KB, so you can convert any photo to a 5KB file that's ready to upload.

No. We never store, share or look at your images — every file is discarded the moment processing finishes and nothing is saved. That makes it safe even for sensitive documents like passports, ID cards and bank statements.

Yes. There is no cost, no watermark and no account needed. Anonymous users get a generous daily limit, which is plenty for everyday use.
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