Guide

How Specter handles the WordPress Block Editor (Gutenberg)

By Axel Antas-Bergkvist Published May 15, 2026 Updated May 30, 2026

If you’re going to edit WordPress posts in the Spectersync webapp — by hand or with an AI recipe — the obvious question is what happens to the blocks. The Block Editor stores posts as a structured tree of Gutenberg blocks — each one a small chunk of HTML with a <!-- wp:block-name --> comment around it. Spectersync opens each post as clean, editable prose. Something has to give in that projection, and how much you give up depends on what your posts are built out of.

This guide is the honest answer to that question — what round-trips cleanly, what doesn’t, and what it means for the way you should actually edit. If you hit a specific conversion problem, the WordPress troubleshooting index collects the common ones with workarounds.

What round-trips cleanly

For a normal post written in the standard Gutenberg editor — the blocks that ship with WordPress and the ones every theme renders without a plugin — the conversion is clean. These are the workhorse blocks, the ones most posts are made of:

  • Paragraph. Plain text in, plain text out. No drama.
  • Heading. A heading round-trips to an H2 block, and vice versa.
  • List (ordered and unordered). Lists round-trip to Gutenberg lists.
  • Quote. Blockquotes become a quote block.
  • Code. Fenced code becomes a code block, language hint preserved when possible.
  • Image (by URL). Images that point at a URL — typically the WordPress media library — round-trip cleanly. The URL is preserved.
  • Link. Standard inline links.
  • Bold and italic. Standard inline formatting.
  • Horizontal rule. A divider on its own line.

If your posts are written mostly out of these blocks — which is true of most blogs, most cornerstone content, most news sites, most editorial archives — you can edit them in Spectersync without losing anything important on the way back. This is what makes the AI editing workflow and the bulk SEO sweep viable in practice.

What comes through as opaque HTML

Here’s the honest part. WordPress has a thriving ecosystem of page builders — Elementor, Divi, Beaver Builder, Bricks, WPBakery — that store their own block formats inside the post. Some core blocks (galleries, embeds, columns, cover, group) also serialize as structured Gutenberg HTML that doesn’t have a natural markdown equivalent.

Spectersync does not lossily flatten those. They round-trip as raw HTML, preserved verbatim. You’ll see the original <!-- wp:elementor/... --> or <div class="wp-block-..."> block kept as an opaque block. It goes back to WordPress unchanged.

The practical implication is straightforward: you can leave those blocks alone safely, but you should not run a recipe to “rewrite this post” if it’s mostly an Elementor layout. The AI will see HTML, try to rewrite it, and most likely break the layout. What it can do safely is rewrite the paragraph text sitting between two Elementor sections — that paragraph is clean prose even when the rest of the post isn’t.

A short list of what to expect:

  • Elementor, Divi, Beaver Builder, WPBakery sections. Round-trip as opaque HTML. Leave them; don’t rewrite them.
  • Gutenberg cover, gallery, columns, group blocks. Round-trip as structured HTML. Editable if you know the markup; safest to leave alone.
  • Shortcodes. Preserved as text ([shortcode attr="value"]). They go back exactly as they came in.
  • Reusable blocks / Synced patterns. Preserved by reference. The reference goes back unchanged.
  • Custom HTML blocks. Preserved verbatim.

What this means for editing

The mental model is “text where there’s text, opaque where there’s structure.” Most of the editing you actually care about — copy, headings, meta, links, intros, calls to action — happens in the text parts. Those parts open as clean prose. The structural and design parts that aren’t really text are preserved untouched.

In practice that means:

  • Body copy edits, intro rewrites, voice passes, fact updates, link insertion — all safe on standard blocks. This is where AI editing earns its keep.
  • Layout changes, design tweaks, page-builder restructuring — do those in wp-admin. Spectersync is the wrong tool for visual layout, and doesn’t pretend otherwise.
  • Metadata edits — title, slug, categories, tags, status, meta title, meta description, featured image — are always safe regardless of how the body is built. This is why a bulk SEO sweep across page-builder pages is still useful: the SEO fields sit outside the blocks.

A practical recommendation

If your site is mostly editorial — paragraphs, headings, lists, images — treat Spectersync as a full editing environment. Write, rewrite, refactor, review the diff, publish, done.

If your site is mostly page-builder layouts, treat Spectersync as a content-and-metadata editing environment. Use it for SEO sweeps, meta updates, metadata changes, and edits to the text inside individual paragraphs. Do layout work in wp-admin where the builder lives.

And if a particular post does something unusual — a custom block, a builder you don’t recognize, a shortcode you’re not sure about — open it in the workspace, look at how it came through, and decide before you edit. Reading it costs nothing and tells you exactly what you’re working with.

The honest summary

The Block Editor is not a prose editor, and pretending otherwise would break sites. What Spectersync does instead is preserve what doesn’t translate and translate what does. Standard Gutenberg posts are fully editable as clean prose. Page-builder posts come back exactly as they left. That trade lets you do real editing work in one workspace without surprising your live site.

Prefer the desktop edition?

The same projection runs in the desktop and open-source edition, where your archive lives as plain .md files on your Mac. The hosted webapp is the fastest way in. Subscribe now →