Write & Publish with The Copywriter's Knife

    Eight persuasion tools — no accounts, no tracking

    You need to write & publish. From first draft to final edit. The Copywriter's Knife delivers 8 purpose-built tools in a single HTML file.

    The Copywriter's Knife gives copywriters eight practical tools in a single HTML file. Structure persuasive copy using AIDA, PAS, BAB, FAB, and 4Ps frameworks with guided step-by-step builders. Check character counts against platform limits for Twitter, LinkedIn, Google Ads and more. Generate and save calls-to-action in multiple tones. Compare before/after copy side by side. Forge headlines and score them for impact. Transform feature lists into benefit-driven bullet points. Run a persuasion scanner that catches weak language, passive voice, and missing objection handlers. Maintain a tagged swipe file of great copy — all offline, all private, all yours forever.

    WHAT'S INSIDE

    8 tools in a single HTML file

    Framework Builder (AIDA, PAS, BAB, FAB, 4Ps)

    Step-by-step guided builders for five proven copywriting frameworks. Fill in each section and get structured, persuasive copy ready to polish.

    Platform Character Counter

    Check your copy against character limits for Twitter, LinkedIn, Google Ads, meta descriptions, email subjects, and more — with live count and warnings.

    CTA Builder

    Generate calls-to-action in four tones (direct, friendly, urgent, premium), save your best performers, and build a reusable CTA library.

    Before/After Comparator

    Paste original and revised copy side by side to see the transformation. Track how edits improve clarity, length, and impact.

    HOW IT WORKS

    Three steps. No setup.

    1

    Download the file

    Purchase The Copywriter's Knife and download a single HTML file. No installer, no account, no setup.

    2

    Open in any browser

    Double-click to open in Chrome, Firefox, Safari, or Edge. Works on any operating system.

    3

    Start working

    Your data stays in your browser's local storage. Nothing is uploaded. Ever.

    COMPLIANCE & GEOGRAPHY
    Global

    Works in any country. No server dependency, no regional restrictions.

    FAQ

    Frequently Asked Questions

    How does The Copywriter's Knife help me write & publish?

    The Copywriter's Knife provides 8 interconnected tools for from first draft to final edit. Framework builder (AIDA, PAS, BAB, FAB, 4Ps), character counter, CTA builder, before/after comparator, headline forge, bullet blaster, persuasion scanner, and swipe file. Your copywriting desk in a single file.

    Do I need an internet connection to write & publish with The Copywriter's Knife?

    No. The Copywriter's Knife runs entirely in your browser as a single HTML file. All 8 tools work offline.

    What is the difference between The Copywriter's Knife and cloud-based alternatives?

    Cloud tools store your data on external servers, require subscriptions, and stop working without internet. The Copywriter's Knife is a one-time purchase ($39) that runs locally. Your data never leaves your device.

    Can I use The Copywriter's Knife on multiple devices?

    Yes. Once purchased, you can use The Copywriter's Knife on any device with a web browser. Copy the HTML file to as many devices as you need.

    No cloud One fileOne-time purchase
    Get The Copywriter's Knife — $39

    Sovereignty as a Service