Prompt OS

Manage prompts like docs. Version them. Template them.

Prompt Keeper is a web-based workspace to store prompts safely, track changes with version control, and reuse them with template variables. Open it anywhere and apply instantly.

Version controlTemplate variablesUse anywhere
Latest Promptv4 → v5
"{{product}}" launch message in 3 variants. Split tone by neutral / bold / emotional.
variables:
product = "Studio 2.0"
tone = "bold"
Default: v5Template applied
Change summaryTighter sentence structure
Versioning

Reliable improvements with version control

Track changes from v1 to vN and roll back instantly when you need a previous draft.

Templates

Reusable prompts with variables

Structure prompts with {{variable}} and keep the same format without manual edits.

Web

Open anywhere, use immediately

No install. Access the same prompts from home, office, or a café.

A 3-step prompt workflow

workflow
01

Save

Save once to create the base version. Every change is recorded automatically.

02

Version

Compare changes and set a default version to keep results consistent.

03

Template

Swap variables and finish repetitive work in seconds.

Keep your prompt standards light and durable.

Prompt Keeper is a personal prompt vault. Track edits with versions and cut repetition with template variables. Start instantly without complex setup.

personalMy default
Default versionv5
Template variables3
Last updated20m ago

“Manage your go-to prompts in one place.”

Latest from our Blog

View all →

Start Prompt Keeper today.

Prompts are assets. Manage them with versions and templates.