StockPrep

stock photography, without the guesswork

Guides for photographers who'd rather shoot than fight metadata.

StockPrep covers what actually sells, how contributor platforms really work, and how to get through the tedious parts fast — written by the team behind StockFlow.

01 Getting started

How to Sell Photos on Stock Photography Sites

What actually sells, how platforms compare, and a realistic earnings calculator — the full starting guide.

12 min readUpdated 2026
02 Metadata

How to Write Keywords for Stock Photos That Sell

The 4-layer keyword system, a real before/after example, and the mistakes that quietly kill discoverability.

8 min readUpdated 2026
03 Workflow

How to Clear a Stock Photo Backlog

You don't have a motivation problem, you have a math problem. Here's how to actually get through hundreds of untagged photos.

7 min readUpdated 2026
04 Metadata · Shutterstock

Shutterstock CSV Upload: Format, Template and Fixes

The exact columns, a copy-ready template, the category list, and what to check when the CSV gets rejected.

8 min readNew
05 Metadata · Adobe Stock

Adobe Stock CSV: Field Limits and Category Numbers

All 21 category numbers, the 30-character filename trap, and a checklist to run before every upload.

7 min readNew
06 Tools

AI Keywording Tools: How to Choose One

Which workflow step each tool actually solves, and a 20-photo test to run before you pay for anything.

9 min readNew

Already keywording by hand?

StockFlow screens your batch for duplicates and likely rejects, then writes Shutterstock- and Adobe Stock-ready metadata for what's left.

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