Free Online Collection

AI Tools

AI-powered writing, content generation, and LLM cost optimization tools

18 tools available

LLM Cost Calculator

Compare costs across OpenAI, Anthropic, Google, AWS Bedrock, Meta, Mistral, and DeepSeek models. Calculate daily, monthly, and annual LLM costs with growth projections.

Runs in browser

LLM Price Tracker

Track AI model pricing changes over time with interactive charts. See historical price trends for OpenAI, Anthropic, Google, and more.

Runs in browser

LLM Token Counter

Paste text and see token counts with cost estimates across all major LLMs. Compare tokenization differences between providers.

Runs in browser

LLM Prompt Cost Estimator

Calculate exact per-call API costs for your prompts across models. Enter your system and user prompts to see real-time cost breakdowns.

Runs in browser

LLM Model Finder

Answer 5 questions to get personalized AI model recommendations. Find the best model for your use case, budget, and requirements.

Runs in browser

LLM Budget Planner

See how many requests your monthly budget supports across models. Plan AI spending with interactive budget allocation charts.

Runs in browser

Humanize AI Text

Detect AI writing patterns with color-coded highlighting, then rewrite text to sound naturally human. Supports rich text paste from Word and Google Docs.

Cloud processed

Prompt Enhancer

Transform basic prompts into structured, high-precision AI instructions. Choose from 5 professional frameworks: OCEAN, RISEN, CO-STAR, RTF, and OCEAN-RPi.

Cloud processed

Text Summarizer

Condense long articles, documents, and notes into concise summaries. Choose from 5 modes: Bullet Points, Executive Summary, TL;DR, Key Takeaways, and ELI5.

Cloud processed

Headline Generator

Generate compelling titles and headlines from your content. Choose from 6 styles: SEO, Professional, Creative, Question, Listicle, and How-To.

Cloud processed

Text Rewriter

Rewrite text in different styles while preserving meaning. Choose from Simplify, Formalize, Casual, Creative, Concise, or Expand with adjustable tone.

Cloud processed

Text Translator

Translate text between 27+ languages with tone control. Choose Natural, Formal, or Casual tone and preserve formatting for AI-powered translations.

Cloud processed

Grammar Checker

Check grammar, style, and clarity with detailed correction explanations. Color-coded categories show exactly what to fix and why.

Cloud processed

AI Content Detector

Detect AI-generated text with confidence scoring and sentence-level analysis. Get a detailed breakdown of signals that indicate AI or human authorship.

Cloud processed

Text Expander

Expand brief notes and outlines into full prose. Choose from Blog Post, Report, Documentation, Creative Writing, or Business Proposal formats with adjustable length and tone.

Cloud processed

Email Writer

Generate complete email drafts from a short description. Compose new emails, craft replies, or write follow-ups with professional, friendly, urgent, and other tones.

Cloud processed

Visual Generator

Generate publication-quality diagrams, infographics, and presentation slides from text descriptions. Powered by a multi-agent AI pipeline with iterative refinement.

Cloud processed

Cloud Cost Estimator

Estimate your AWS infrastructure costs in seconds. Pick an architecture template or describe your workload and get a detailed breakdown with interactive charts.

Cloud processed
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