Keyword intelligence for KDP + gaming

Find the words your market already wants.

One Liner is a local-first desktop research workspace for Amazon KDP authors and indie game developers. Measure demand, competition, and placement fit before you publish.

Built by a student who got tired of juggling five browser tabs just to research one keyword.

Local research libraryLive public-source lookups
Research workspace
One Liner desktop keyword research workspace showing keyword metrics and market signals

How it works

From rough idea to a keyword set you can use.

01 / Seed

Start with a phrase

Enter a niche, title idea, or product theme. Choose a quick scan or a deeper research pass.

02 / Research

Pull live signals

Gather autocomplete and market signals from Amazon, Google, YouTube, DuckDuckGo, and Steam.

03 / Decide

Score the opportunity

Compare demand, competition, result counts, BSR, and placement fit in one focused workspace.

Built for the work

Evidence you can act on.

Keep every source, score, and decision in one dense workspace designed for serious research.

Opportunity scoring

Prioritize phrases with a composite score built from demand, competition, and fit.

Competition crawling

Fill result counts and BSR columns in the background while you continue researching.

Placement builder

Turn strong phrases into seven KDP backend keyword slots with character counts built in.

Practical exports

Export research as reports, CSV files, or Amazon Ads ready files.

Keyword score and distribution charts in One Liner

MCP ready

Bring One Liner research into your AI workflow.

Connect Claude, ChatGPT, Gemini, Grok, OpenRouter, Ollama, or LM Studio to search your local research library and pull saved keyword intelligence directly into your AI workflow.

Explore the beta

Two focused editions

Research built around what you ship.

For authors and publishers

Publish into proven reader demand.

Find book niches, validate reader language, inspect competition, and compose seven backend keyword slots from the same research workspace.

One Liner workspace configured for Amazon KDP keyword research

Local-first by design

Your research library belongs to you.

Your keywords, BSR records, notes, and competition scores are stored in a local database on your machine. Keyword lookups fetch live results from public sources.

Local storage for your research. Live sources for current market signals.

One Liner keyword source and result analysis

Simple ownership

Buy once. Research for life.

Each edition includes a lifetime desktop license for one active machine, with transfers available after deactivation. Launch pricing applies during the first month of v1.0.

Lifetime license

KDP Edition

Amazon authors and publishers

$59

launch price

then $79

  • Local research database
  • Live public-source lookups
  • Competition scoring and exports
  • Transferable machine activation

Lifetime license

Gaming Edition

Indie developers and studios

$79

launch price

then $99

  • Local research database
  • Live public-source lookups
  • Competition scoring and exports
  • Transferable machine activation

Complete edition

Ultimate

KDP and Gaming together

$109

launch price

then $129

  • Local research database
  • Live public-source lookups
  • Competition scoring and exports
  • Transferable machine activation

Open beta access

Build your next keyword set with One Liner.

The beta is a free download from GitHub Releases and runs through December 31, 2026. Beta participants receive a limited 10% coupon for the v1.0 launch month.

Windows desktop beta · Support: support@omgigi.dev