Multi-model prompt crafting

Forge the perfect
prompt.

Transform natural language into precision-crafted prompts for Gemini, Claude, GPT, OpenCode, and beyond. Built for freelancers, creators, and independent professionals.

7-day free trial · then $5 · Bring your own API keys
promptforge.app
Intent
Generated Prompt

Precision crafting.

Everything you need to craft, test, and manage your prompt library.

01

Instant Optimization

Convert vague ideas into structured, high-performing prompts instantly using your chosen AI provider.

02

Template Gallery

Access a rich library of pre-defined templates or save your own custom templates for quick reuse.

03

Version History

Never lose a good prompt. Automatically track your recent generations and recall them anytime.

04

Client Work

Craft prompts for proposals, briefs, contracts, and project scoping with clients.

05

Creative Writing

Tailored structures for marketing copy, storytelling, and content creation.

06

Research & Analysis

Precise instructions for data interpretation, reports, and analytical tasks.

How it works.

Three steps from idea to production-ready prompt.

01

Write Your Intent

Describe what you need in plain language — a code snippet, marketing copy, or data analysis query.

02

AI Forges the Prompt

AI transforms your rough idea into a structured, high-quality prompt optimized for your goal.

03

Refine & Evaluate

Iterate with natural language refinements, auto-fix weaknesses, and get objective quality scores.

Why PromptForge?

A purpose-built workspace, not another chat interface.

Zero Backend

Everything runs in your browser. No accounts, no servers, no data leaves your machine.

Multiple AI Providers

Gemini, Claude, GPT, OpenCode — swap providers without changing your workflow.

Version Tracking

Every generation is automatically saved. Browse, compare, and restore any version.

Built-in Evaluation

Deep analysis across clarity, specificity, and misinterpretation risk — with one-click auto-fix.

Pricing

One price. Everything included.

PromptForge

$5one-time

Pay once. Use forever. No subscriptions.

Unlimited prompt generation
Multi-provider support (Gemini, Claude, GPT, OpenCode)
AI-powered refinement & evaluation
Auto-fix weak prompts
Version history & comparison
Client-side encryption for API keys
All future updates included

Bring your own API keys. We never store or see them.

FAQ.

Quick answers to common questions.