AI Utilities
80 free tools
Free AI-powered writing tools - prompt generator, email rewriter, cold email generator, LinkedIn formatter, and YouTube title generator.
AI utilities bridge the gap between raw AI models and practical everyday tasks. From generating optimised ChatGPT and Claude prompts to creating AI image prompts, word clouds, and text summaries, these tools help you get more value from the AI tools you already use.
Unlike other AI tool sites that redirect you to paid APIs, our AI utilities are designed to help you build better inputs and understand outputs — entirely free, with no API key or account required.
Prompt Tools20
AI Prompt Generator
Describe a role or task and get a complete, ready-to-use AI prompt back — written live by Claude, with guidance on tone, depth, and output format built in.
Midjourney Prompt Generator
Describe an image and get a complete Midjourney prompt back, written live by Claude using real Midjourney syntax — style/medium, lighting, composition, quality tags, and --ar/--v flags.
DALL-E Prompt Generator
Describe an image and get a complete DALL-E style prompt back, written live by Claude using vivid, specific descriptive language rather than special flag syntax.
Stable Diffusion Prompt Generator
Describe an image and get a complete Stable Diffusion prompt back — written live by Claude using weighted tag syntax and quality modifiers, plus a matching negative prompt.
ChatGPT Prompt Generator
Describe a role or task and get a complete, ready-to-use prompt back, written live by Claude with clear guidance on approach, tone, and output format for a ChatGPT-style conversation.
Prompt Enhancer
Paste a rough or basic prompt and get back an enhanced version — with role, context, constraints, and output format added by AI wherever they were missing.
Prompt Optimizer
Paste an existing prompt and get back an optimized rewrite, plus a specific list of what was improved and why.
System Prompt Generator
Describe an assistant's purpose or domain and get a complete system prompt back — role definition, behavioral guidelines, tone, and boundaries — written live by AI.
Role Prompt Generator
Name a role or area of expertise and get a complete 'You are an expert...' prompt back, including relevant experience, communication style, and how the expert should approach questions.
Few-Shot Prompt Generator
Describe a task and get a complete few-shot prompt back — the task instruction plus 2-3 realistic example input/output pairs, and a final unfilled slot ready for your real input.
Chain of Thought Prompt
Describe a task and get a complete chain-of-thought prompt back — one that instructs step-by-step reasoning (understand, plan, execute, verify, conclude) tailored to that specific task.
Negative Prompt Generator
Describe an image subject and get a matching negative prompt back — a comma-separated list of defects and unwanted elements to avoid, tailored to that subject by AI.
Prompt Template Library
Describe a use case and get a reusable prompt template back — built with {{variable}} placeholders, plus one filled-in example using realistic values.
Prompt Chaining Tool
Describe a goal and get a complete 3-4 step prompt chain back — each step a distinct prompt that builds on the previous step's expected output, moving from research to analysis to creation to refinement.
Prompt Testing Tool
Describe a prompt or task and get a complete test suite back — 5 concrete test cases (happy path, edge case, adversarial, overload, ambiguous) with what a good response should do for each.
AI Character Generator
Describe a setting or theme and get a complete original fictional character back — name, age, role, appearance, personality, backstory, goal, fear, and a line of dialogue in their voice.
AI Scenario Generator
Describe a theme or setting and get a complete original scenario back — setting, inciting situation, 2+ characters with conflicting motivations, a central conflict, a complication, and possible outcomes.
Code Prompt Generator
Describe a coding task and get a complete, well-structured prompt back for an AI coding assistant — requirements, error handling, a usage example, and preferred language if mentioned. This tool writes the prompt, not the code itself.
Image Prompt Expander
Paste a short or rough image idea and get it expanded into a rich, detailed image-generation prompt — subject detail, style, lighting, composition, mood, and quality tags, written by AI.
Prompt Variable Injector
Describe a task and get a reusable prompt template back with {{variable}} placeholders for role, audience, task, tone, and constraints — plus one realistic filled-in example.
Email Tools20
Email Rewriter
Paste an existing email draft and get it back rewritten by AI — clearer, more professional, and better structured, while keeping your original intent.
Cold Email Generator
Describe a prospect or company and get a complete cold outreach email back — subject line, personalized opening, a concise value proposition, and a low-friction call to action, written live by AI.
Follow-Up Email Generator
Describe what you're following up on and get a complete, polite follow-up email back — referencing the prior contact and asking for a next step, written live by AI.
Introduction Email Generator
Describe who is being introduced to whom and why, and get a complete introduction email back connecting the two parties, written live by AI.
Meeting Request Email
Describe the purpose of a meeting and get a complete meeting request email back — proposing a format like a 30-minute call and asking the recipient to suggest a time, written live by AI.
Apology Email Generator
Describe what went wrong and get a complete, sincere apology email back — acknowledgment, brief explanation, corrective action, and an offer to make it right, written live by AI.
Thank You Email Generator
Describe what you're thanking someone for and get a complete, warm thank-you email back with a specific detail about what mattered, written live by AI.
Resignation Email Generator
Describe your role and company (and optionally your reason) and get a complete, professional resignation email back — including a last-working-day placeholder and a transition offer, written live by AI.
Job Application Email
Describe the job/role and your relevant background, and get a complete job application email back — expressed interest, relevant experience, and a closing call to action, written live by AI.
Sales Email Generator
Describe your product and prospect, and get a complete sales outreach email back — an observation about their situation, a specific outcome you help achieve, and a low-pressure call to action, written live by AI.
Newsletter Subject Line
Describe your newsletter content and get 5 distinct subject line options back — curiosity, benefit-led, urgency, and plain-direct variants — written live by AI.
Email Subject Line Generator
Describe your email content and get 5 distinct subject line options back, suited to that content and written live by AI.
Email Signature Generator
Give your name, role, company, and contact details, and get a clean, formatted email signature back — the only tool in this group that formats a signature block rather than writing an email body.
Out of Office Generator
Describe your dates and reason for being away, and get a complete out-of-office auto-reply back — including a return date and an alternate contact placeholder, written live by AI.
Networking Email Generator
Describe who you want to network with and the context, and get a complete, low-pressure networking outreach email back requesting a short conversation, written live by AI.
Farewell Email Generator
Describe the context of leaving a role or company, and get a complete, warm farewell email back to colleagues, written live by AI.
Promotion Announcement Email
Describe who was promoted and to what role, and get a complete team announcement email back — congratulating them and noting new responsibilities, written live by AI.
Project Update Email
Describe your project's current status, and get a complete update email back structured as completed, in progress, blockers, and next steps, written live by AI.
Feedback Request Email
Describe what feedback you need, and get a complete, brief feedback request email back with 2-3 specific questions, written live by AI.
Referral Request Email
Describe the role or opportunity you're seeking, and get a complete, polite referral request email back that makes it easy for the recipient to help, written live by AI.
Content Tools20
Blog Idea Generator
Enter a topic or niche and get 10 specific, genuinely different blog post angles back — written live by AI, not a fixed idea template.
Blog Outline Generator
Enter a topic or working title and get a complete blog post outline back — H1, intro hook, 4-6 H2 sections, and a conclusion with a CTA — written live by AI.
Article Summary Generator
Paste article text and get a concise summary back — core argument, key points, and why it matters — written live by AI.
Product Description Generator
Describe a product and get a complete, persuasive product description back — benefit statement, features-as-benefits, and a closing CTA — written live by AI.
Ad Copy Generator
Describe a product or offer and get complete ad copy back — headline, benefit-focused body, and a CTA — written live by AI.
Landing Page Copy Generator
Describe a product or offer and get complete landing page copy back — hero headline, subheadline, 3 benefit bullets, and a CTA button label — written live by AI.
Press Release Generator
Describe an announcement and get a complete press release back in standard format — headline, dateline opening, body, and a placeholder spokesperson quote — written live by AI.
FAQ Generator
Enter a topic or product and get 6-8 realistic FAQ question-and-answer pairs back — written live by AI as an illustrative starting draft, not verified facts about your specific product.
Testimonial Generator
Enter a product or experience description and get 2-3 EXAMPLE testimonial templates back — illustrative drafts showing the kind of phrasing and outcome that resonates, meant for you to rewrite with a real customer's actual words. These are not real customer quotes and should never be published as-is or attributed to an actual person.
Case Study Generator
Enter a client or project description and get a case study DRAFT back — client overview, challenge, solution, and results sections with placeholder metrics and a placeholder client quote — a template for you to fill in with your real client's actual data, not a finished, publishable case study.
Whitepaper Outline Generator
Enter a topic and get a complete whitepaper outline back — title, executive summary points, and 4-5 numbered sections with sub-points — written live by AI, at a deeper structural level than a blog outline.
Value Proposition Generator
Describe your product and audience and get a complete value proposition statement back — in the standard 'for [customer] who [need], [product] is a [category] that [benefit]' structure, plus a one-line version — written live by AI.
Mission Statement Generator
Describe your company or purpose and get a complete mission statement plus a complementary vision statement back — written live by AI.
Slogan Generator
Describe your brand and get 6 distinct slogan options back, varying in tone (bold, warm, clever, direct) — written live by AI. Note: this tool and Tagline Generator use the identical underlying process — 'slogan' and 'tagline' are simply the two common names people search for the same kind of short brand phrase.
Tagline Generator
Describe your brand and get 6 distinct tagline options back, varying in tone (bold, warm, clever, direct) — written live by AI. Note: this tool and Slogan Generator use the identical underlying process — 'tagline' and 'slogan' are simply the two common names people search for the same kind of short brand phrase.
Call to Action Generator
Describe your goal and get CTA phrase options back across 4 categories — primary/conversion, secondary/engagement, urgency-driven, and low-commitment/soft — written live by AI, meant to pair with your ad copy, landing page, or email content.
Course Description Generator
Describe your course content and get a complete course description back — what it covers, who it's for, 3-4 learning outcomes, and format/level details — written live by AI.
Webinar Title Generator
Enter a topic and get 5 distinct webinar title options back, each promising a clear outcome for attendees — written live by AI. Note: this uses a very similar process to Podcast Title Generator, just framed for webinars specifically.
Podcast Title Generator
Enter a topic and get 5 distinct podcast episode title options back — written live by AI. Note: this uses a very similar process to Webinar Title Generator, just framed for podcast episodes specifically.
Newsletter Content Generator
Enter a topic and get complete newsletter content back — subject line, preheader text, opening hook, 2-3 highlight items, and a sign-off — written live by AI. This is a full newsletter draft, broader in scope than the single-purpose subject-line tools.
Writing Tools15
Grammar Fixer
Paste your text and get it corrected by AI (Claude) — grammar, spelling, and punctuation errors fixed silently, with only the corrected text returned, no explanation of what was wrong.
Tone Changer
Paste your text and get 4 labeled AI rewrites back in one response — formal, casual, persuasive, and empathetic — so you can compare tones side by side rather than committing to just one.
Paraphrasing Tool
Paste your text and get 3 distinct AI-paraphrased versions back — different wording and sentence structure, same meaning preserved.
Sentence Expander
Paste a sentence or short passage and get an AI-expanded version back — genuinely more detailed and elaborated, with relevant supporting detail added while keeping your original meaning.
Sentence Shortener
Paste a sentence or passage and get the most concise version AI can produce back — core meaning preserved, everything non-essential trimmed.
Active Passive Converter
Paste your text and get BOTH an active-voice version and a passive-voice version back in one response, clearly labeled — a comparison, not a one-way conversion.
Point of View Changer
Paste your text and get BOTH a first-person version and a third-person version back in one response, clearly labeled, meaning preserved.
Readability Improver
Paste your text and get a clearer, easier-to-read AI rewrite back — shorter sentences, better structure, and simpler wording, without losing your meaning.
Plagiarism Remover
Paste your text and get it rewritten in genuinely original wording and sentence structure by AI, meaning preserved. Important: rewording text does NOT remove your obligation to cite the original source of any ideas, facts, or research that aren't your own — this tool changes phrasing, it does not grant permission to present someone else's work or findings as your own.
Academic Tone Converter
Paste your text and get a formal academic rewrite back from AI: third-person perspective, hedged claims where appropriate, precise vocabulary, and citation placeholders (Author, Year) wherever a claim would need one.
Business Tone Converter
Paste your text and get a clear, professional business rewrite back from AI: direct, active voice, jargon-free, and outcome-focused.
Casual Tone Converter
Paste your text and get a friendly, conversational rewrite back from AI: contractions, short sentences, and first/second-person phrasing.
Persuasive Writing Tool
Describe a topic or paste a draft and get a complete, structured persuasive piece back from AI: a hook, the problem/opportunity, your solution with evidence, one addressed objection, and a clear call to action.
Simplification Tool
Paste complex text and get an AI rewrite back using simpler vocabulary and shorter sentences, understandable to a general audience, without losing the key meaning.
Elaboration Tool
Paste your text and get it expanded by AI with supporting reasoning, a concrete example, and a practical implication — a structured elaboration, not just a longer version of the same sentence.
Social Media Tools15
LinkedIn Post Formatter
Paste a rough draft or raw content and get it reformatted into a polished LinkedIn post — a strong hook line, readable line breaks, and a closing question to invite engagement, written live by AI.
LinkedIn Headline Generator
Describe your role or area of expertise and get 5 distinct LinkedIn headline options back — each leading with value, not just a job title, written live by AI.
LinkedIn Summary Generator
Describe your background and get a complete LinkedIn 'About' section back — what you do, key experience, and what you're looking to connect on, written live by AI.
Twitter/X Post Generator
Describe a topic and get a single, engaging tweet back — under 280 characters, written live by AI in a natural, scroll-stopping voice.
Twitter Thread Generator
Describe a topic and get a complete numbered Twitter/X thread back — a hook tweet, 3-5 body tweets, and a closing tweet with a call to action, written live by AI.
Instagram Caption Generator
Describe a photo or topic and get a complete Instagram caption back — a scroll-stopping opening line, a few lines of value or story, a call to action, and relevant hashtags, written live by AI.
Facebook Post Generator
Describe a topic and get a complete Facebook post back — a hook, a couple of sentences of value, and a call to action, written live by AI.
TikTok Caption Generator
Describe your video topic and get a short, punchy TikTok caption back — plus a small set of trending-style hashtags, written live by AI.
YouTube Description Generator
Describe your video content and get a complete YouTube description back — a search-optimized opening, a body covering what the video covers, and a subscribe/comment call to action, written live by AI.
YouTube Title Generator
Describe your video topic and get 5 distinct, click-worthy title options back, written live by AI.
YouTube Tag Generator
Describe your video topic and get a comma-separated list of 12-15 relevant YouTube tags back, ranging from broad to specific, written live by AI.
Blog Title Generator
Describe a topic and get 8 distinct blog post title options back — covering how-to, listicle, comparison, case study, and guide angles, written live by AI.
Meta Description Generator AI
Describe your page content and get 3 SEO meta description options back — each 120-160 characters with the likely primary keyword included, written live by AI.
Social Media Bio Generator
Describe yourself or your brand and get 3 bio variants back in one response — a short Twitter/Instagram-style bio, a LinkedIn-style summary, and a fuller website bio paragraph, written live by AI.
Hashtag Generator
Describe a topic and get a list of 15-20 relevant hashtags back, grouped into broad/popular and niche/specific, written live by AI.