Merge Two CSV Files Online (Free Tool)

Easily combine two CSV files into one without any downloads or complex software — just upload and merge in your browser. Perfect for quickly appending data from multiple spreadsheets. How It Works: Upload your primary CSV (the one with the header row you’ll keep) as the first file. Then select the second CSV to append … Read more

FREE INTEREST RATE CALCULATOR | Debt Dragon Slayer: Calculate Loan Rate from Payment & Term Instantly!

Behold the Debt Dragon Slayer – a fun twist on the classic interest rate calculator that transforms loan mysteries into an epic fantasy battle! πŸ‰ DEBT DRAGON SLAYER βš”οΈ πŸ’° Dragon Hoard: $ βš”οΈ Monthly Swings: $ β›΅ Years: πŸ—“οΈ Months: πŸ”₯ SLAY THE BEAST! πŸ”₯ 🐲 Greed Rate: —% (Annual) πŸ’° Total Tribute: $— … Read more

Buy, Borrow, Die Strategy – The Ultimate Calculator

This free online calculator shows how affluent investors buy appreciating assets, borrow against them instead of selling (so no capital gains), and potentially pass assets to heirs with a step-up in basisβ€”use the calculator to test your numbers, debt safety, and long-term net worth in seconds. Buy Β· Borrow Β· Die β€” Calculator Enter your … Read more

The 10 Best AI Newsletters That Will Skyrocket Your Productivity in 2025

Ever feel like you’re drowning in AI news? One day ChatGPT is the hottest thing, the next day it’s Claude or Gemini or whatever shiny new model just dropped. Meanwhile, you’re still trying to figure out how to actually use these tools to get more done in less time. Here’s the thing most people miss: … Read more

The Top 6 AI Tools That I Can’t Live Without

✨ Image generated with one of the tools by the author. ✨ As you may know from the Finxter newsletter, I’ve been diving deep into generative AI, building apps, creating content, and experimenting with hundreds of AI tools over the last three years. The vast majority of AI tools is worthless. But there is a … Read more

How to Make Money with AI Writers (Koala Review)

A scalable way to use AI to make money remains content creation. It puzzles me that most people still don’t create their own content websites. The economics of content creation with AI are straightforward – here’s an example: These conservative assumptions would build a nice little AI side hustle: πŸ”’ 10 articles * 1000 visitors … Read more

Free Calculator Blog Income (+Valuation)

πŸ“± The Blog Income online calculator estimates the potential monthly revenue and asset value of a blog based on its traffic, content volume, and monetization strategies. It combines major revenue streams based on real-world data to provide a comprehensive overview of a blog’s earning capacity, offering insights into how different factors contribute to overall income. … Read more

Online Calculator – How Much Should I Charge for My Freelance Gig?

πŸ“± Idea: Drawing from years of firsthand experience as a seasoned freelancer, having hired thousands of freelancers for my company and mentored thousands of students who have collectively earned millions of dollars, I’ve garnered some insights into how much you can charge as a freelancer. I tried to put them into this calculator — have … Read more

Future Value Calculator (Inflation)

πŸ“± This calculator allows me to quickly determine the future cost of my current expenses by adjusting for an expected annual inflation rate over a number of years, simply by entering my expenses and selecting the inflation rate and time period using easy-to-use sliders. It instantly shows me how much more money I’ll need in … Read more

CAGR Calculator

Calculate the compound annual growth rate (CAGR) right here: πŸ‘‡ Calculate CAGR πŸ“ˆ The compound annual growth rate of your investment is: πŸ’‘ The Compound Annual Growth Rate (CAGR) is a useful measure that provides a smoothed annual rate of return of an investment, asset, or business metric over a specified time period. Unlike simple … Read more