30+ Boring Businesses That Make Money — With Real Revenue Data

Nobody tweets about tractor databases, unit converters, or cookie consent tools. But the founders behind them are quietly making $5,000 to $10 million or more per year — often solo, always bootstrapped, and without a single pitch deck.

We've profiled over 100 of these businesses on BoringCashCow. Below are 30+ real examples, organized by category, each with verified revenue. No hypotheticals, no "you could try this" filler — just businesses that are actually making money right now.

Boring SaaS tools

Software that does one unglamorous thing well — and charges for it.

1. Habitify — $1.2M/year

A habit tracking app built by Peter Vu, a self-taught iOS developer from Vietnam. Habitify launched in 2017 and hit $100K/month after getting featured on the App Store and switching to subscriptions. Solo founder, 890K+ installs. Full case study →

2. Harvest — $123M/year

Danny Wen and Shawn Liu built this time tracking tool in 2006 after running a design agency. It grew almost entirely through word-of-mouth into a $123M/year SaaS business. No VC. Ruby on Rails backend. Full case study →

3. CookieFirst — $1M/year

Tom and Kees Bos launched this cookie consent popup tool in 2019. Fully bootstrapped, grown through word-of-mouth and a free tier that generates backlinks. A million dollars a year from a GDPR compliance widget. Full case study →

4. Parseur — $40,000/month

Sylvestre Dupont and Sylvain Josserand built this document parsing SaaS in 2016. It extracts data from emails and PDFs automatically. Ranks #1 for competitive keywords, with organic SEO as the primary growth channel. Full case study →

5. Bank Statement Converter — $9,000/month

Angus Cheng built a tool that converts bank statements from hundreds of banks into clean Excel files. Launched in 2021, grown entirely through SEO and blog content. A subscription service making $9K/month from a problem nobody talks about. Full case study →

6. Hevy — $40,000/month

A workout tracking app by Guillem Ros and Desmond McNamee. Freemium model ($3.99/month), 2M+ users, 725K monthly website visits. 77% of web traffic comes from organic search. Full case study →

7. MySignature.io — $700K/year

Volodymyr Zastavnyy built this email signature generator in 2017. Fully bootstrapped, profitable from day one, grown through organic search and word-of-mouth. $700K/year from helping people make email signatures. Full case study →

8. Sweepy — $40,000/month

A cleaning schedule app by Maxence Henneron and Oxana Ivanchenko. Launched in 2019, grown primarily through YouTube influencer sponsorships. Freemium model at $8.99/month premium. A cleaning checklist app making $480K/year. Full case study →

Boring content and directory sites

Niche information sites that compound over time and monetize through ads, subscriptions, or job postings.

9. TractorData — $46,000/month

Peter Easterlund launched a website with tractor specifications in 2000. Twenty-five years later, it gets 1.2 million monthly visits and earns $46K/month from display ads. PHP, MySQL, one person. Full case study →

10. TLDR Newsletter — $5M/year

Dan Ni started a daily tech news email in 2018. TLDR now reaches 1.2 million subscribers and charges up to $18,000 per sponsorship placement. $5 million a year from summarizing news. Full case study →

11. OnlineJobs.ph — $10M+/year

John Jonas built a job board connecting businesses with Filipino virtual assistants in 2008. Subscription-based, no commissions on worker pay. Revenue surpassed $10 million in 2022 — from a niche job board. Full case study →

12. Seats.aero — $1.5M/year

Ian Carroll built an award flight search tool in mid-2022. No employees, no funding. $1.5M ARR within two years. 88.6% of traffic is direct — users come back because the tool works. Full case study →

13. DiskPrices — $5,000/month

Jeremy Grosser built a single-page website that lists hard drive prices. It earns $5K/month through Amazon affiliate commissions on 80,000 monthly visits. One page, one person, Python and SQLite. Full case study →

14. Pinboard — $212K/year

Maciej Ceglowski has run this paid bookmarking service solo since 2009. $22/year per user, no free tier, no trial. PHP, MySQL, vanilla JavaScript. He even bought Delicious for $35,000 in 2017. Full case study →

Boring free tool sites

Websites offering free utilities to millions of users, monetized through display ads at massive scale.

15. RapidTables — $1M+/year

Free online calculators — GPA, mortgage, BMI, unit conversions. Created in 2007, now pulling 26.7 million monthly visits. Monetized entirely through Google AdSense. jQuery, Bootstrap, AWS. Full case study →

16. WordCounter.net — $6.4M/year

A free word counting tool launched in 2014. 15+ million monthly visits, 57% direct traffic. Earns an estimated $6.4 million annually through affiliate marketing. A text box that counts words. Full case study →

17. PDF2Go — millions/year

Jens Bierkandt's PDF editing and conversion tool launched in 2016. Now at 9.2 million monthly visits with revenue from AdSense plus a premium tier. Over 50% of traffic is direct. Full case study →

18. Me-QR — millions/year

Ivan Melnychuk and his wife launched this QR code platform in 2021. 53 million monthly visits. Freemium model with free basic QR codes and premium plans for analytics and branding. Full case study →

19. UnitConverters.net — $250K/year

Huiming Gu started this as a hobby in 2008. Now it gets 8.2 million monthly visits and earns $250K/year from Google AdSense. Three employees. PHP backend, vanilla JavaScript. Full case study →

20. ImageResizer.com — $100K/year

A four-person team in Canada and Bangladesh runs this image resizing tool. 3 million monthly visits, ~$100K/year from display ads. They also run FreeConvert.com as a sister site. Full case study →

Boring developer tools and browser extensions

Small tools built for technical audiences who are happy to pay for convenience.

21. GoFullPage — $120K/year

Peter Coles built a Chrome extension for capturing full-page screenshots in 2012. Freemium at $12/year for premium features. $120K/year from a single browser extension. Full case study →

22. Emojis.sh — $105K/month

Alexandru Ţurcanu built an AI emoji generator as a solo founder. Subscription model, 703K monthly visits. $105K in a single month from custom emojis. Full case study →

23. ResumeMaker.Online — $3,500/month

Fernando Pessagno, an Argentinian product designer, launched this as a side project in 2018. Freemium resume builder, ranks #1 for "resumemaker." Grown entirely through SEO. jQuery and PHP. Full case study →

Boring digital product businesses

Selling templates, spreadsheets, and other digital goods with near-zero marginal cost.

24. SimplyOrganizedPro — $160K/year

A seller known as HJ started listing spreadsheet templates on Etsy in December 2022. Individual templates at $1–$2.50 each. Over 39,000 sales across 24 products. Digital goods = near-zero overhead. Full case study →

What these boring businesses have in common

After profiling 100+ boring businesses, clear patterns emerge:

They solve an everyday problem. Counting words, tracking habits, converting units, resizing images. Nobody gets excited about these tasks, but millions of people need them done every day.

They're built on durable demand. Tractor specs don't go out of style. People will always need to convert PDFs, track time, and resize images. These aren't trend-dependent businesses — they compound year after year.

They're often run by tiny teams. Of the 24 businesses above, at least 10 are run by a single person. Most of the rest have fewer than 5 employees. Small teams mean low overhead and high margins.

Revenue comes from simple models. Display ads (at scale), subscriptions (at small scale), or affiliate commissions. Nothing exotic — just proven monetization applied to steady traffic.

Growth is organic. Most of these businesses grow through SEO and word-of-mouth, not paid ads. This keeps customer acquisition costs near zero and makes the revenue durable.

The tech is intentionally boring. PHP, MySQL, jQuery, vanilla JavaScript, Python, SQLite, Ruby on Rails. Not a single microservice architecture, Kubernetes cluster, or GraphQL endpoint in sight. Simple tech is cheap to run and easy to maintain alone.

How to find your own boring business

The examples above weren't discovered by brainstorming in a whiteboard session. They were found by noticing what millions of people already search for and building something slightly better than what exists.

Start with search demand. If millions of people Google "PDF to Word" or "GPA calculator" every month, there's a boring business hiding in that search bar.

Look for ugly tools with traffic. Find websites that get millions of visits but look like they were built in 2008. That's your opening — same utility, better UX.

Browse what's already working. The fastest shortcut is studying businesses that are already making money. We publish new case studies every week with revenue, tech stack, and traffic breakdowns.

Browse all 100+ boring business case studies →

Or read more about finding boring business ideas on Reddit and where to buy boring businesses if you'd rather acquire than build.

Frequently asked questions

What is a boring business? A business that solves an everyday, unglamorous problem — and makes money doing it without relying on trends, hype, or venture capital. For a deeper explanation, see our complete guide to boring businesses.

How much money can a boring business make? The range is enormous. The smallest business on this list (ResumeMaker.Online) makes $3,500/month. The largest (Harvest) makes $123 million/year. The median among our 100+ case studies is roughly $10K–$50K/month.

Can I start a boring business with no money? Yes. Many of the businesses above were built as side projects with zero startup capital — DiskPrices, GoFullPage, ResumeMaker.Online, TractorData. The most common stack (PHP + MySQL on shared hosting) costs under $10/month to run.

What's the easiest type of boring business to start? Free tool sites (calculators, converters, generators) have the lowest barrier to entry. Build a single useful tool, optimize for SEO, and monetize with display ads. DiskPrices makes $5K/month from a single page.

Where can I find more boring business examples? We publish new case studies every week with real revenue data. Browse the full database or join the weekly newsletter.

New boring business breakdowns every week — real revenue, real founders, no fluff. Join the newsletter →