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Chat with AI models running locally on your computer. Free, private, unlimited.
Convert, merge, split, sign, and edit PDFs without uploading files.
200+ calculators for finance, health, math, science, and more.
Mortgage, loan, investment, retirement, and tax calculators.
BMI, calories, macros, pregnancy, and fitness calculators.
Convert length, weight, temperature, volume, and more.
Master sports betting analytics with this comprehensive guide to Expected Value (EV), Closing Line Value (CLV), and data-driven wagering. Learn how professional bettors use mathematics to find profitable edges against sportsbooks.
Master GTO (Game Theory Optimal) poker strategy with this comprehensive guide. Learn when to use GTO vs exploitative play, understand balanced ranges, mixed strategies, and how modern solvers have revolutionized poker in 2026.
Discover 80+ free gambling calculators and betting tools for sports betting, poker, blackjack, roulette, craps, baccarat, and video poker. Calculate odds, expected value, optimal bet sizing, and more—no signup required.
Learn ICM (Independent Chip Model) strategy to maximize your tournament winnings. Understand risk premium, bubble play, final table dynamics, and how to convert chips into real money with proper ICM calculations.
Master poker bankroll management with proven strategies used by professional players. Learn the exact buy-in requirements for cash games and tournaments, when to move up or down in stakes, and how to protect your poker bankroll from devastating downswings.
Understand poker variance, calculate your expected downswings, and learn how to mentally survive brutal losing stretches. Includes variance calculators, standard deviation explanations, and strategies for managing the emotional toll of running bad.
After hitting a plateau at week 8, I discovered the math mistakes that stall most weight loss efforts. Here's what actually goes wrong with calorie deficit calculations—and the adjustments that finally made the scale move again.
After investigating 12 popular online file converters, I discovered significant privacy gaps. Some retain files for weeks, others have concerning terms of service clauses. Here's what actually happens to your documents—and how to convert files without the risks.
The definitive guide to all 100+ Ollama models. Compare Llama 3.3, DeepSeek-R1, Gemma 3, Qwen3, Mistral, and more. Includes hardware requirements, benchmarks, use cases, and recommendations for choosing the right local AI model.
Master word count tools and document analysis for better content. Learn how AI-powered writing tools, readability analysis, and strategic word counts can transform your writing workflow in 2025.
Compare ZIP and 7Z compression formats for data storage and transfer in 2025. Learn which archive format offers better compression ratios, security, and compatibility for your specific needs.
Master the complete podcasting audio workflow from recording in WAV to distributing in MP3. Learn optimal conversion settings, emerging trends like spatial audio, and why keeping your master files matters.
Over 70 million Americans now work in the gig economy, and most are blindsided by self-employment taxes. Learn exactly how to calculate, plan for, and reduce your 1099 tax burden in 2025.
Compare MP4, WebM, and AV1 video formats for web in 2025. Learn which codec delivers the best compression, browser support, and quality for your streaming and website projects.
Coast FIRE lets you front-load retirement savings, then stop contributing entirely. Learn the formula, calculate your number, and decide if coasting to retirement fits your life.
With credit card debt hitting $1.23 trillion and 60% of debtors carrying balances for over a year, hopelessness has become the biggest obstacle to getting out. The math says otherwise.
With 1.1 million layoffs announced in 2025 and 80% of Americans experiencing financial anxiety, Coast FIRE offers a different path—one where your retirement stays on track even if your job doesn't.
Calculate your SaaS LTV:CAC ratio, understand what it means for your business, and learn how to improve unit economics. Free calculator with 2025 benchmarks included.
Calculate impermanent loss for liquidity pool positions. Understand the math behind IL, when it matters, and whether trading fees offset your losses. Free calculator with Uniswap V3 support.
Calculate your self-employment tax, quarterly estimated payments, and total tax liability as a freelancer or independent contractor. Updated for 2025 tax rates and the new 1099-K threshold changes.
Calculate whether house hacking will work for you. See how much of your mortgage rental income can cover, compare to renting, and analyze your potential ROI. Free calculator with 2025 FHA loan limits.
Learn how to calculate your Coast FIRE number—the amount you need invested today so compound growth alone funds your retirement. Includes formula walkthrough, mistakes to avoid, and a free calculator for 2025.
Local LLM setup takes just one weekend. Learn how to install Ollama and run AI models on your computer with this step-by-step beginner guide.
Learn how to count words in documents using our free online word counter. Complete guide to word count tracking, character counts, reading time estimation, and document analysis for writers and students.
Run AI locally on your computer for complete privacy and unlimited free usage. Learn what local AI means, how it works, and whether it's right for you.
A detailed breakdown of paying off $47,000 in credit card and personal loan debt over three years. Real numbers, real struggles, and the exact strategies that worked—plus the ones that didn't.
Discover how WebAssembly technology enables powerful file conversion directly in your browser without uploading files to any server. Learn why local processing matters for privacy and speed.
Convert JPG, PNG, and GIF to WebP free online. Get 25-35% smaller files for faster websites - all conversion happens in your browser.
Video format comparison guide: MP4 vs MOV vs WebM vs AVI vs MKV. Compare quality, file size, codec support, and compatibility to choose the best format for your projects.
After tracking 10,000 blackjack hands using perfect basic strategy, the data confirms what mathematicians have known for decades. Here's my actual house edge, which decisions saved the most money, and why most players still lose.
Compress files free online with ZIP, 7Z, and GZIP formats. Reduce file sizes up to 90% for faster transfers, smaller storage, and easier sharing without uploading to servers.
When converting or creating audio files, one of the most important technical specifications you'll encounter is the **sample rate**. Whether you're working on music production, podcast editing, video soundtracks, or simply converting audio files for personal use, understanding sample rates is crucial for achieving the perfect balance between audio quality and file size.
Convert plain text files to PDF free online. Create professional PDFs from text in your browser - no upload to servers required.
Discover why uploading confidential business documents to cloud AI services creates serious risks for your organization, and learn how local LLMs provide a secure alternative for document analysis, summarization, and processing.
Learn how to build a completely private AI coding assistant that runs entirely on your hardware. This comprehensive guide covers model selection, backend setup, IDE integration for VS Code, JetBrains, and Neovim, plus enterprise deployment strategies.
Convert between PNG and JPG formats free online. Understand when to use each format and convert images in your browser with no upload required.
Real-world testing reveals which TDEE formulas actually match your metabolism. After 90 days of meticulous tracking, here's what I learned about calculator accuracy, activity multipliers, and why your weight loss might be stalling.
Learn how to optimize PDF workflows with batch processing, automation, and efficient document management. Complete guide to streamlining PDF tasks for maximum productivity.
PDF vs Word format comparison guide. Learn when to use PDF or DOCX for editing, sharing, security, and collaboration, plus how to convert between formats free online.
A technical deep-dive into PDF to Word conversion: why some documents convert perfectly while others become a mess, and what you can do about it.
Convert PDF tables to Excel spreadsheets free online. Extract data for analysis - files process in your browser with no server upload required.
Extract text from PDF files free online. Convert PDF to plain text in your browser - no upload to servers, completely private and instant.
Learn how to split PDF files into separate pages or sections with our free online tool. Complete guide to extracting specific pages, dividing large documents, and organizing PDF content efficiently.
Learn how to secure PDF files with password protection and encryption. Complete guide to PDF security features, permissions, and best practices for protecting sensitive documents.
Learn how to merge PDF files quickly with our free online tool. Complete guide to combining multiple PDFs into one document, with tips for organizing, reordering, and optimizing merged files.
Extract images from PDF files or convert PDF pages to JPG/PNG images free online. Files process in your browser - no upload to servers, perfect for presentations and sharing.
Local AI hardware requirements explained: RAM, GPU, and CPU specs for running Ollama and LLMs. Find out if your computer can run AI locally.
Learn Markdown syntax and convert to HTML free online. Complete guide for writers, bloggers, and developers - with free browser-based conversion tools.
A data-driven analysis comparing the true costs of cloud AI APIs versus self-hosted local LLMs for small teams, with detailed TCO calculations, break-even analysis, and decision frameworks to help you choose the right approach.
Real-world benchmark data reveals which local AI models deliver the best performance on consumer GPUs and laptops. Discover tokens per second, quality scores, and practical recommendations for RTX 3060 through RTX 4090 and Apple Silicon.
Local AI for writers keeps your unpublished manuscripts private. Learn how Ollama protects your creative work from cloud exposure while providing writing assistance.
Local AI privacy keeps your data secure by running models on your computer. Learn how Ollama protects sensitive information without cloud uploads.
Learn how running AI locally on your computer enables uninterrupted productivity without internet dependency. Discover the benefits of offline AI for remote work, travel, and mission-critical applications.
Local AI for lawyers maintains attorney-client privilege by keeping data off cloud servers. Learn how to use AI ethically while meeting ABA obligations.
Calculate the true cost of cloud AI subscriptions versus running AI locally. Learn how local AI eliminates monthly fees, removes per-token charges, and provides unlimited usage for a one-time hardware investment.
Learn how to optimize images for web performance with our free online tools. Complete guide to image compression, format selection, responsive images, and Core Web Vitals optimization.
Convert images between JPG, PNG, WebP, HEIC, and GIF free online. No upload required - all conversions happen in your browser for complete privacy.
Convert between Markdown and HTML free online. Perfect for bloggers, developers, and writers - all conversion happens in your browser.
Learn how on-premise AI solutions enable healthcare organizations to leverage advanced document analysis while maintaining full HIPAA compliance, protecting PHI, and satisfying Security Rule requirements.
Discover the often-overlooked privacy and security risks when using cloud AI services like ChatGPT, Claude, and Gemini. Learn practical strategies to protect your sensitive data and explore safer local alternatives.
Convert HEIC files to JPG free online. iPhone photos converted in your browser with no server upload - fast, private, and works on any device.
Learn how to verify file integrity using hash functions like MD5 and SHA-256. Complete guide to generating checksums, comparing hashes, and detecting file corruption or tampering.
Learn how to replace GIFs with modern alternatives like WebP and MP4. Complete guide to converting GIF animations for smaller files, better quality, and faster web performance.
Learn how to fine-tune a local LLM on your company's internal documentation, creating a private AI that understands your codebase, processes, and domain expertise without sending data to external servers.
Optimize marketing files free online with format conversion. Convert images to WebP, compress PDFs for email, and optimize files for web, social media, and advertising.
Learn how to compress files using different algorithms like ZIP, GZIP, and 7Z. Complete guide to file compression formats, comparing compression ratios, speed, and best use cases for each method.
Document format comparison guide: PDF vs DOCX vs ODT vs RTF. Compare editing, compatibility, and preservation to choose the best format for your documents.
Learn document conversion best practices for perfect results every time. Complete guide to converting between PDF, Word, Excel, and other formats while preserving formatting and quality.
Sign PDFs free online with digital signatures. Add electronic signatures to documents instantly in your browser without uploading files to external servers.
Learn how to convert files without losing quality. Expert tips for lossless image, audio, video, and document conversion with our free browser-based tools.
Image format comparison made simple. Compare JPG, PNG, WebP, GIF, HEIC quality, file size, and browser support to choose the best format for your needs.
Learn how to build AI-powered applications that work without an internet connection. From architecture patterns to platform-specific implementations, this guide covers everything developers need to create reliable offline AI experiences.
Convert PDFs free online to Word, Excel, and images. Compare the best PDF converters that process files in your browser without uploading to external servers.
Batch convert multiple PDFs to Word, Excel, or images free online. Process hundreds of files at once in your browser - no server upload required.
Learn how to automate workflows with private AI that keeps proprietary data secure. This comprehensive guide covers identifying automation opportunities, architecture design, implementation examples, and governance for enterprise-grade workflow automation.
Convert audio files with optimal quality settings free online. Learn the best bitrates for MP3, FLAC, and AAC - all conversion happens in your browser.
Audio format comparison guide: MP3 vs WAV vs FLAC vs AAC vs OGG. Compare quality, file size, and compatibility to choose the best format for music, podcasts, and production.
Convert audio files between MP3, WAV, FLAC, AAC, and OGG formats free online. No upload required - files process locally in your browser for complete privacy.
A detailed breakdown of six months running Claude and GPT APIs professionally, including exact costs, optimization attempts, and why switching to local LLMs saved thousands while improving my workflow.
Learn how to build unlimited AI workflows without API costs or subscription fees. This comprehensive guide covers hardware, software, and practical implementations for developers and businesses.
Learn how to process sensitive financial PDFs using local AI tools that keep your data private. This comprehensive guide covers bank statements, invoices, financial reports, and compliance requirements with practical code examples.
How defense contractors, healthcare organizations, and security-conscious businesses can deploy AI capabilities on isolated networks where cloud services are impossible.
Create professional fillable PDF forms without paying $29.99/month for Adobe Acrobat. Learn free alternatives that work directly in your browser with no subscriptions or downloads required.
Most free online PDF tools upload your sensitive documents to remote servers. Learn about the hidden privacy risks and discover browser-based alternatives that keep your files secure.
Discover how small businesses are using fillable PDF forms to streamline invoices, contracts, client intake, HR onboarding, and more. Learn practical applications that can save your business hours every week.
Learn the key differences between fillable PDFs and flat PDFs, when to use each type, and how to create interactive PDF forms. Complete guide with real-world examples and best practices.
Learn how to create professional fillable PDF forms step by step. From text fields and checkboxes to dropdown menus and submit buttons, this complete guide covers everything you need to know about building interactive PDF forms.
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