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Prompt builders, token counters, cost calculators, AI writing templates, and developer AI utilities. 100% client-side, no API calls.
Select use case, tone, and context to generate structured prompt templates. 50+ templates. Copy to clipboard.
Searchable library of 200+ ChatGPT prompts organized by category. Click to copy.
Visual builder: subject, style, lighting, camera, aspect ratio, chaos, version. Assembled Midjourney prompt.
Positive/negative prompt builder with tags, quality boosters, and style presets.
Templates for system prompts: assistant, translator, coder, analyst, teacher, and more.
Paste a prompt to get clarity score, specificity analysis, and improvement suggestions. Rule-based.
Build DALL-E prompts: subject, art style, medium, lighting, composition. Presets included.
Build an AI persona with name, role, expertise, communication style, and constraints.
Template for chain-of-thought prompts with problem definition and step-by-step reasoning.
Add example input/output pairs to build structured few-shot prompts.
Paste text to count tokens for GPT-4, Claude, and Llama models. Show cost per model.
Select model, input/output tokens, and requests per day to estimate monthly cost.
Compare GPT-4, Claude, Gemini, Llama, Mistral by context window, price, speed, capabilities.
Paste text to see which models' context windows can fit it. Show remaining capacity.
Reference table of all AI model prices per 1M tokens. Sortable by input and output cost.
Estimate cost for batch processing: documents, average tokens, model selection.
MMLU, HumanEval, MATH scores comparison across major LLMs. Sortable table.
Training data size, epochs, and model to estimate fine-tuning cost with OpenAI pricing.
Documents, average tokens, and embedding model to calculate embedding costs.
Documents, dimensions, and precision to estimate vector database storage size.
Select email type, fill variables, and generate from 30+ email templates.
Enter topic, audience, and tone to generate a structured blog outline with H2s and CTAs.
Product name, features, audience, tone to generate e-commerce product descriptions.
Platform, topic, and tone to generate social media posts with hashtags and character count.
Page title and content summary to generate 3 meta description options with character count.
Topic and type to generate 10 headline variations using proven formulas.
Product and goal to generate 10 conversion-focused CTA button text suggestions.
Topic, role, and key insight to generate LinkedIn posts with hook, story, and CTA.
Topic and tone to generate 5 tweet variations with thread option and character counter.
Video topic and style to generate 10 title suggestions using YouTube SEO patterns.
Describe what to match in plain English. Pattern library with 50+ common regex patterns.
Describe your query in plain English. Template-based with 30+ common SQL queries.
Describe changes to generate conventional commit messages. Type selector included.
Language and PR type to generate a comprehensive code review checklist.
Endpoint URL, method, and params to generate API documentation in Markdown or OpenAPI.
Project name, description, and stack to generate a README.md with badges and sections.
Paste commit messages to generate a formatted changelog in Keep a Changelog format.
Error type and context to generate user-friendly error messages in 5 tones.
Function name, params, and behavior to generate test case templates for Jest, pytest, etc.
Paste code to get JSDoc/docstring comment suggestions. Pattern-based for functions and classes.
Industry, keywords, and style to generate 20 business name suggestions.
Business name, industry, and value prop to generate 10 tagline suggestions.
Company, industry, values, and audience to generate a mission statement template.
Product, problem, solution, and target to generate a 30-second pitch template.
Business info to generate a SWOT analysis template with guided questions per quadrant.
Team, quarter, and focus area to generate OKR templates with objectives and key results.
Role, level, skills, and company to generate a structured job description template.
Role, level, and focus to generate 15 interview questions (technical + behavioral).
Employee, role, and period to generate a performance review template with sections.
Meeting type, attendees, and duration to generate a structured agenda template.
Images, PDFs, video, audio, text, code, calculators, SEO, and more. All free, all in your browser.
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