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Run a practical HTML checker on pasted markup and surface common SEO/content issues locally.
Check OG image fit
Preview one Open Graph image locally and check the practical share-card fit.
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A quick way to understand who this helps, what it solves, and where it connects next.
Marketers, SEO teams, founders, and content operators reviewing share metadata before publishing.
Checking whether pasted metadata has enough title, description, URL, and image context for a share preview.
Capture open-graph-preview intent with a practical local preview instead of a remote scraper simulation.
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
To preview your Open Graph tags, copy your page's HTML or just the head section and paste it into Open Graph Preview. The tool parses the markup in your browser, pulls out the Open Graph and Twitter card values, and renders a share-style preview so you can confirm the title, description, and image before publishing.
Because it reads pasted markup rather than fetching a live URL, it works on local drafts, staging pages, and pages behind a login. The parsing happens locally, so your markup never leaves your device.
Open Graph Preview surfaces both the Open Graph fields, such as og:title, og:description, and og:image, and the Twitter card fields alongside them, so you can spot missing or duplicated values in one place. The preview card gives a clean local representation of those tags.
It is a local preview of the tags you paste, not a promise that every platform will render the card identically. Networks fetch and cache cards differently, so treat the preview as an accurate read of your markup rather than a live emulation of a specific platform.
Short answers for the questions people usually have before trying a utility like this.
Yes. Open Graph Preview is completely free, with no signup, and it runs in your browser.
No. Open Graph Preview parses the pasted HTML locally in your browser, so your markup never leaves your device.
No. Open Graph Preview works from pasted markup only, which lets you check drafts, staging pages, and pages behind a login.
Yes. Twitter card values are surfaced alongside the Open Graph fields so you can review both at once.
Not always. The preview is an accurate read of your pasted tags, but each platform crops, scales, and caches share cards slightly differently.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Paste HTML or head markup, inspect OG and Twitter-card values, and review a practical share preview locally.