nreljin

A lightweight tool to move content between WordPress sites with precision.
Features 
– Export a single post or page to JSON (includes meta, terms, and revisions) 
– Import a previously exported JSON to recreate the post on another site 
– Works with all public post types; sets current user as the author on import 
– Adds an Export action in Posts/Pages list rows 
– Adds Tools → Post Import with a file upload form 
– Robust UTF-8 handling: exports HTML‑entity encode content/meta; imports decode to avoid double‑encoding
Perfect for 
– Migrating content between environments 
– Duplicating complex posts across sites 
– Archiving rich post data including revision history

NR Post Exporter

Export/import individual posts with meta, terms, and revisions. Adds Export row action and Import screen.

tweetysha

This plugin will disable revision function in WordPress and delete all entries of revisions in database.
It is extremely important to back up your database before install this plugin if you want to keep backup of your revisions.

TW Disable Revisions

Disable revision function in WordPress and delete all entries of revisions in database.

NR Post Exporter vs TW Disable Revisions