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Add Output Control to Any Prompt
Format, length, and exclusions are the three levers that make AI output land in usable shape. A rewrite shows how to retrofit them onto a prompt that has none.
Prompt Builders
Prompt Rewriter
Paste a weak prompt and get a stronger rewrite — vague wording replaced with concrete instructions, hedges turned into commitments, and missing elements added as placeholders you complete. The goal never changes.
Paste the prompt you want to improve — the rewriter keeps its goal and strengthens the wording.
Rewrite Summary
Original Prompt
Rewritten Prompt
Improvements Applied
Remaining Risks
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Add Success Criteria to a Prompt
If you can't say what makes the output right, the model can't either. Success criteria turn 'make it good' into a checkable definition of done.
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Fix a Vague Prompt
'Make it good', 'be detailed', 'keep it interesting' — vague prompts get vague output. The fix is mechanical: replace every fuzzy word with a checkable instruction.
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Make a Prompt More Specific
Generic prompts produce generic output. Specificity is added in slots — audience, context, named requirements — and a rewrite shows exactly which slots yours is missing.
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Prompt Enhancement: From Weak to Strong
The full enhancement pass in one worked example: fix vague wording, commit the hedges, strip filler, fill the gaps — without changing what the prompt asks for.
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Rewrite an AI Prompt to Get Better Output
The fastest fix for mediocre AI output is rewriting the prompt: vague words become concrete instructions, hedges become commitments, and missing elements get filled.
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Rewrite a Blog Prompt
'Write a blog post about X, make it engaging' is the most rewritten prompt on the internet. Here's its strong form — angle, reader, hook rule, and length.
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Rewrite a Marketing Prompt
Marketing prompts built from 'compelling' and 'persuasive' produce copy that sounds like everyone's. The rewrite swaps adjectives for an offer, a reader, and one CTA.
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Rewrite a Research Prompt
'Research X and tell me what you find' returns a topic summary, not an answer. The rewrite adds the control a research ask needs: scope, criteria, and output shape.
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Rewrite a Customer Support Prompt
'Be nice and fix their issue' is a liability in a support prompt. The rewrite adds the control lines support actually needs: boundaries, length, and a next step.
Workflow
AI Prompt Engineering Workflow
Fix an unreliable prompt the methodical way instead of poking at it — find what's actually unclear, rewrite for specificity, cut the noise, then prove the new version beats the old one.
Workflow
AI Landing Page Copywriting Workflow
Write a landing page that converts, not one that just describes — sharpen the value proposition, draft the hero and benefits, answer objections at the CTA, then A/B the variants to pick the stronger.
Project
Build a Company Website with AI
The full path to a business website that holds together — plan the content, structure the site, design the components, write the page copy, then ship it as one coherent whole.
How it works
Paste the prompt you want to improve, pick a Rewrite Goal (clarity, specificity, output control, professional, concise, detailed, or best practice), and click Rewrite Prompt. The rewriter analyzes the prompt with deterministic browser-side rules — nothing leaves your page — then produces a stronger version: vague words like "good" and "engaging" become concrete instructions, hedges like "some" and "if possible" become commitments, filler and duplicates disappear, and missing elements (audience, format, length, success criteria) are added as [bracketed] placeholders you complete. The original goal never changes, and the report lists every improvement applied plus the risks that remain.
Best for
- Strengthening a prompt that underperforms — fixing vague wording and filling gaps
- Keeping the original goal while making the prompt more effective
- Seeing every improvement the rewrite applied
Not for
- Only tidying format or structure — that is the Prompt Formatter
- Removing redundancy specifically — that is the Prompt Cleaner
Use cases
- Turning a 'works but weak' prompt into one with audience, format, and length control
- Replacing vague quality words with instructions the model can actually follow
- Cleaning up a hastily written prompt before saving it to a shared template library
- Learning prompt-writing patterns by comparing the original and the rewrite side by side
Pro tips
- Fill the [bracketed] placeholders before using the rewrite — they mark the decisions only you can make, like who the audience is and how long the output should be.
- Start with Best Practice Rewrite, then switch modes with the output open — the rewrite re-renders live, so you can compare what each goal changes.
- Use Preserve Length when the prompt feeds a system with tight token budgets — the rewriter will fix wording in place instead of adding guidance lines.
- The Remaining Risks list is the honest part of the report: it tells you what the rewrite couldn't fix automatically. Treat it as your manual to-do list.
FAQ
How is this different from the Prompt Formatter and Prompt Cleaner?
The Formatter reorganizes your existing words into a clean structure — it never changes them. The Cleaner removes repetition and noise — it never adds anything. The Rewriter is the only tool that changes and adds wording: it replaces vague terms with concrete instructions and fills missing elements with placeholders. Reorganize → Formatter, remove → Cleaner, improve → Rewriter.
Does it use AI to rewrite my prompt?
No. The rewrite is produced by deterministic rules running in your browser: a vague-term replacement map, hedge fixes, filler stripping, duplicate collapsing, and gap-filling templates. The same input always produces the same rewrite.
What are the [bracketed] placeholders?
Decisions only you can make. The rewriter knows your prompt is missing an audience, but it doesn't know who your audience is — so it adds 'Audience: [who will read this]' instead of inventing one. That's what keeps the rewrite honest: it strengthens your prompt without changing your intent.
Will it change what my prompt asks for?
No. The goal of the prompt is preserved — the rewrite clarifies, structures, and completes it. With Preserve Intent on (the default), every substantive instruction from the original survives into the rewrite. Turning it off lets the rewriter drop hedged optional lines ('maybe add…') and merge overlapping ones.
What does each Rewrite Goal do?
Improve Clarity fixes vague and hedged wording. Increase Specificity also adds audience and context slots. Add Output Control adds format, length, and exclusion rules. Professional Rewrite sets a professional tone and strips filler. Concise Rewrite shortens without losing meaning. Detailed Rewrite fills every missing element. Best Practice Rewrite applies the balanced default set.
Can I see exactly what changed?
The Improvements Applied list itemizes every transformation, and the original and rewrite sit side by side. For a full instruction-level diff of two versions, paste them into the Prompt Version Diff.