US Sales Tax Calculator
Estimate state sales tax and add local city or county rates.
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USA 2026 utility calculators
Fast, mobile-friendly calculators for US sales tax, paycheck take-home pay, business days, tips, BMI, GPA and imperial metric conversion. They run in the browser and are separated from the AI prompt library for clearer search intent.
10reviewed prompt categories for safer browsing
7USA utility calculators for 2026 search intent
12workflow playbooks for real business tasks
Human reviewpages explain assumptions, limits and next steps
Prompt Recipes
Reviewed prompt categories for writing, SEO, ecommerce, email, support and operations.
ExploreUSA 2026 Tools
Client-side calculators for US tax, pay, business days, tips, BMI, GPA and unit conversion.
ExploreWorkflow Playbooks
Step-by-step AI workflows with source inputs, copy-ready prompts and review checks.
ExploreWhat PromptKit AI helps you do
PromptKit AI helps writers, marketers, ecommerce operators, founders and small teams turn unclear AI requests into structured prompts. Each public resource is designed around a real task: creating an SEO brief, drafting a professional email, writing product copy, planning a social calendar, checking an AI answer, or building a reusable prompt library.
The site is intentionally simple. You can browse prompt categories, open browser-based tools, use USA utility calculators, read workflow guides and copy prompts into the AI system you already use.
Prompt anatomy
| Part | Why it matters |
|---|---|
| Goal | Defines what the user needs after the AI response. |
| Context | Gives source facts, audience, constraints and tone. |
| Output format | Makes the response easier to review and reuse. |
| Risk boundary | Prevents invented claims, prices, policies or facts. |
| Review step | Turns the first answer into an editable draft. |
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Prompt recipe library
AI Writing Prompts
Writing recipes help visitors draft, reshape and review content with clearer inputs, safer claims and stronger structure.
Browse recipesSEO Content Prompts
SEO recipes focus on briefs, updates, metadata and content audits that serve readers first and make crawlable pages easier to understand.
Browse recipesEcommerce Copy Prompts
Ecommerce recipes turn verified product facts into product pages, FAQs, comparison modules and post-purchase content.
Browse recipesBusiness Email Prompts
Email recipes help visitors draft replies, follow-ups and announcements with a visible next step and a fact-check pass.
Browse recipesSocial Media Prompts
Social media recipes organize post intent, proof points, platform fit and review checks before captions are scheduled.
Browse recipesCustomer Support Prompts
Support recipes turn messy tickets into clear replies, summaries and handoff notes without inventing refunds or timelines.
Browse recipesEditorial guides
Featured resources
Prompt Engineering Basics for Useful AI Results
A practical beginner guide to writing AI prompts with context, constraints, output formats and review steps.
Read guideAI Prompt Quality Checklist: What to Review Before You Use a Prompt
A review checklist for improving AI prompts before using them in business, content, SEO or support workflows.
Read guideHow to Write Better AI Prompts for SEO Content
A practical SEO prompt guide for search intent, topical coverage, internal links, metadata and content quality.
Read guideHow to Build a Prompt Library Workflow for a Team
A workflow for collecting, testing, naming and improving reusable AI prompts across a small team.
Read guideHow to Fact-Check AI Output Before Publishing
A practical guide to checking AI-generated text for factual claims, assumptions, citations and risky wording.
Read guideAI Prompts for Ecommerce Product Pages
Use AI prompts to write product descriptions, buyer FAQs, comparison tables and objection-handling copy.
Read guideRepeatable workflows
Workflow playbooks
SEO Content Brief Workflow for AI-Assisted Articles
A step-by-step playbook for turning search intent, source notes and internal links into an AI-ready SEO content brief.
Open playbookEcommerce Product Page Copy Workflow
A practical workflow for using AI to draft product copy, buyer FAQs and objection-handling sections without inventing claims.
Open playbookCustomer Support Reply Workflow with AI
A support playbook for drafting helpful replies while keeping policy limits, empathy and escalation rules clear.
Open playbookSocial Media Content Calendar Workflow
A playbook for building a monthly content calendar with content pillars, post intent, hooks and review checks.
Open playbookBusiness Email Follow-Up Workflow
A workflow for drafting professional follow-ups, outreach messages and decision emails with clear next steps.
Open playbookLanding Page Copy Workflow with AI
A conversion copy workflow for drafting landing pages around audience, offer, proof, objections and CTA.
Open playbookPrompt categories
Popular prompt categories
AI Writing Prompts
Draft outlines, summaries, rewrites and editorial review prompts.
OpenAI SEO Prompts
Create content briefs, metadata, topical maps and internal-link plans.
OpenAI Ecommerce Prompts
Write product copy, buyer FAQs and objection-handling prompts.
OpenAI Email Prompts
Draft replies, follow-ups, outreach and internal updates.
OpenAI Social Media Prompts
Build hooks, captions, content calendars and community replies.
OpenAI Research Prompts
Plan interviews, synthesize notes and extract useful insights.
OpenHow we reduce low-value content
Programmatic pages can become thin when they repeat the same words. PromptKit AI reduces that risk by separating high-confidence resources from inventory pages, removing ad placeholders before approval, keeping noindex pages out of the sitemap, and adding original editorial guides that explain how to use the templates and calculators.