Purpose
Price Manager speeds up price updates in your online store: seasonal markups, promotions, adjustments after exchange-rate or cost changes — apply one operation to dozens or hundreds of products in selected categories.

Features
Product selection

Category tree with search, product counts, and subcategories
“Enabled products only” option (aligned with counters and updates)

Price operations
Add / subtract — fixed amount or percent
Multiply, divide, set exact price
Rounding: decimal places, whole numbers, nearest 10/100, .99 / .90 endings, “psychological” prices ending in 9

Price type
Base price, special price, or both at once
Safe changes

Preview: table with photos, old and new prices, pagination 20/50/100, open product edit in a new tab
History of recent operations with price rollback
Minimum price floor after any operation
Optional product cache clear after update and rollback

Interface
Modern admin UI with two tabs: “Price manager” and “Settings”
Languages: English, Russian, Ukrainian

Installation
Extensions → Installer → upload the archive
Extensions → Modules → Price Manager → Install → Save
Catalog → Price Manager (or open the module via Edit — goes straight to the manager)

Requirements
OpenCart 3.x
Administrator permissions for the module and catalog
Who it’s for
Online stores with large catalogs where prices are often changed by category, not SKU by SKU.