SEO Tools

Charset Meta Checker

Check pasted charset meta tags locally before publishing HTML templates, migrations, or copied head snippets.

Pasted HTML stays in your browser. No crawling, rendering, or uploads.
Charset declarations
1
A UTF-8 charset declaration was found in the pasted markup.

Charset Meta Checker workflow tips

Use this pasted-input SEO QA tool when reviewing templates, CMS exports, or migration source. Confirm a single UTF-8 charset declaration, then check viewport, canonical, meta robots, and hreflang markup before publishing. This tool does not crawl live URLs or validate rendered browser behavior.

What this tool does

Charset Meta Checker finds meta charset declarations, older http-equiv charset declarations, duplicate declarations, empty values, and non-UTF-8 warnings from pasted HTML.

Common use cases

Check pasted HTML head snippets for charset declarations before publishing templates, CMS pages, migrations, or launch QA notes.

Use Charset Meta Checker during a pasted-input SEO QA pass before publishing or handing off a page. It helps review copied metadata, snippets, headings, social tags, or canonical signals without crawling a live URL.

How to use it

  1. Paste a meta charset tag, an HTML head snippet, or a copied page-source sample.
  2. Review the charset count, detected values, duplicate warnings, and UTF-8 recommendation.
  3. Copy the charset summary into QA notes or continue with viewport, canonical, and robots checks.

Example workflow

Paste the relevant title, description, tag block, heading outline, or canonical markup from your draft page. Review the warnings and preview output, make edits in your CMS or document, then recheck the same pasted input before publishing.

Privacy note

Client-side only: this pasted-input SEO QA tool runs in your browser and does not crawl live URLs, render pages, upload HTML, or store input.

FAQ

Does this charset checker fetch my page?

No. It only checks the HTML you paste in your browser and does not crawl, fetch, upload, render, or store input.

What charset does it recommend?

UTF-8 is the practical default for modern HTML pages, so the checker flags pasted snippets that only declare another charset.

Can it detect old http-equiv charset declarations?

Yes. It checks both modern meta charset tags and older content-type meta tags that include a charset value.

Explore more tools

Browse the SEO Tools hub or continue with the SEO QA Toolkit when this task is part of a larger workflow.