Prompt Raven
A guided prompt builder that helps you create better prompts for ChatGPT, Claude, Gemini, and other AI tools.
Browse all 50 prompt-builder guidesAid Raven
Crafted with care. Built for impact.
Recipe Raven
Type in an ingredient list, import a recipe URL, or search by dish name, then review ingredient matches and gram estimates and calculate full-recipe, per-serving, and per-100 g nutrition.
Diff Raven
A structured file diff tool for CSV, JSON, YAML, XML, JSONL, TOML, INI, .env, .properties, text, and Markdown with side-by-side highlights and readable review.
Watch Raven
A browser stopwatch and timer tool with stopwatch, timer, interval timer, pomodoro, and desk clock modes in one clean page.
Converter Raven
A browser-based unit converter for length, height, weight, cooking volume, temperature, area, speed, pressure, angle, fuel consumption, power, time, and data storage.
Practical tools for prompts, nutrition, structured diffs, timing, and conversions
Aid Raven focuses on browser tools that solve concrete tasks. Prompt Raven helps users build better AI prompts, Recipe Raven works as a recipe nutrition calculator and recipe calorie calculator, Diff Raven works as a structured file diff tool for readable side-by-side comparisons, Watch Raven handles stopwatch, timer, interval timer, pomodoro, and desk clock workflows, and Converter Raven handles common metric and imperial unit conversions without the clutter of sprawling directory sites.
Recipe nutrition calculator
Recipe Raven can analyze handwritten ingredient lists, imported recipe URLs, and recipes found by dish name, then estimate grams, calories, macros, and per-serving nutrition.
Ingredient review before totals
Instead of hiding the matching logic, Recipe Raven lets users review ingredient matches and gram estimates before trusting the final nutrition table.
Guided AI prompt builder
Prompt Raven helps users build stronger prompts for ChatGPT, Claude, Gemini, and similar tools with role-aware prompt templates and guided inputs.
Structured file diff tool
Diff Raven compares CSV, JSON, YAML, XML, JSONL, TOML, INI, .env, .properties, text, and Markdown side by side, highlights added, removed, and changed content, and gives readable summaries for exports, configs, docs, and API payloads.
Stopwatch and timer toolkit
Watch Raven keeps stopwatch, timer, interval timer, pomodoro, and desk clock modes in one page with mode-specific controls instead of a cluttered all-in-one interface.
Everyday unit converter
Converter Raven handles common length, weight, cooking volume, temperature, area, speed, pressure, angle, fuel, power, time, and data storage conversions with one fast input and shareable query URLs.
FAQ
What does Recipe Raven do?
Recipe Raven is a recipe nutrition calculator that can analyze pasted ingredient lists, import recipe URLs, search by dish name, and calculate full-recipe, per-serving, and per-100 g nutrition.
Can Recipe Raven import recipe URLs?
Yes. Recipe Raven prefers schema.org Recipe data when available and can also recover many recipe pages from visible ingredients, servings, instructions, and publisher nutrition.
What does Prompt Raven help with?
Prompt Raven is an AI prompt builder for practical work tasks. It helps users create stronger prompts for models like ChatGPT, Claude, and Gemini.
What does Diff Raven do?
Diff Raven is a structured file diff tool that shows side-by-side diffs for common data and text formats, highlights added, removed, and changed content, and keeps the review readable instead of dumping a raw patch.
What does Watch Raven do?
Watch Raven is a browser-based stopwatch and timer toolkit with stopwatch, timer, interval timer, pomodoro, and desk clock modes in one page.
What does Converter Raven do?
Converter Raven is a browser-based unit converter for common metric and imperial conversions including length, weight, volume, temperature, area, speed, pressure, angle, power, time, fuel consumption, and data storage.