© Vizura Studio — Free Tools(VZR® — TOOL 02)Brand + Utility
Free logo utilityNo signup · private · browser-based

Logo Size &
Legibility Tester.

Upload a logo and see where it starts to lose clarity — from browser tabs to headers and profile avatars.

SVG, PNG, JPG and WebP. Analysis happens locally in your browser — Vizura never receives the file.

01 — Upload logo
Drop a logo here
or click to browse · paste also works
SVG · PNG · JPG · WebP
up to 20 MB
02 — Test background
Every background change triggers a fresh pixel-level contrast analysis. A strong symbol cannot hide a low-contrast wordmark. This is diagnostic guidance, not WCAG certification.
03 — Preview treatment
Use grayscale to judge form without color. Invert is a quick preview only — it does not create a production-ready reverse logo.
Live diagnostic
—
Upload a logo to start
Detail @ 32px—
Contrast coverage—
Source ratio—
128px——
Upload a logo
64px——
Upload a logo
48px——
Upload a logo
32px——
Upload a logo
24px——
Upload a logo
16px——
Upload a logo
© Utility — What It Shows(VZR® — 02)Small size, real consequences

What breaks first.

A logo can look perfect at presentation size and fall apart in a browser tab. This tool makes the small-size problem visible before it becomes a production problem.

01
Fine detail

Thin gaps, strokes and small counters are usually the first parts to soften or disappear.

02
Long wordmarks

Wide lockups can stay technically sharp while becoming visually unreadable because every letter gets too small.

03
Low contrast

A structurally simple mark can still disappear on the wrong surface. Test both detail and contrast.

04
Context

A favicon, mobile header and profile avatar ask different things from the same identity system. Often the right answer is a dedicated small-size mark.

© Help Center(VZR® — 03)Q + A

FAQ.

01
Does Vizura upload my logo?
No. The file and all analysis stay in your browser. Vizura Studio never receives the logo.
02
Is the minimum size a strict rule?
No. It is a local image-detail heuristic designed to flag risk. Typography, optical weight and brand context still require human judgement.
03
Why does my wordmark need a larger minimum size?
Wide lockups compress more visual information into the same height. A simplified symbol or responsive logo variant is often better at very small sizes.
04
Which file format is best for testing?
SVG is ideal. A transparent high-resolution PNG also works well. Opaque JPG files can include background pixels that make automated analysis less precise.
05
What does contrast coverage mean?
It measures the share of visible logo pixels that reach a 3:1 diagnostic contrast ratio against the selected surface. The tool also checks low-end contrast so a readable symbol cannot hide an unreadable wordmark. It is design guidance, not accessibility certification.

A logo should work
before it gets big.

Selected work Work with Vizura

© HELP CENTER

(VZR® — 11)

FREQUENTLY ASKED QUESTIONS

© HELP CENTER

FREQUENTLY ASKED QUESTIONS

© HELP CENTER

Q & A

FAQ.

Black-and-white portrait of Vedran Obradović, founder of Vizura Studio®.

Clarifying What You Need Before We Begin With Clear Direction and Honest Answers.

01

I know my brand needs work. Where do I even start?

02

Do I need just a logo or a complete brand identity?

03

Can you work with what I already have?

04

How does pricing work?

05

What will you need from me during the project?

06

What happens once the new brand is finished?

I know my brand needs work. Where do I even start?

Do I need just a logo or a complete brand identity?

Can you work with what I already have?

How does pricing work?

What will you need from me during the project?

What happens once the new brand is finished?