MayOnlineTools · Office #55,592

What it is

Calls itself “calculators” and “converters”.

• Calls itself: calculators · converters · +2

“Free online calculators, converters, text utilities, and developer tools.”

Where it puts itself

Claims “100% private”. Rules out “Zero user data, text strings, or files are ever transmitted to or logged on external servers”.

• Superlative claim: 100% private
• Says it will not: Zero user data, text strings, or files are ever transmitted to or logged on external servers

“The Mission & Story Behind MayOnlineTools Built with dedication by an independent developer who believes essential everyday tools should be blisteringly fast, completely free, and 100% private.”

“Zero user data, text strings, or files are ever transmitted to or logged on external servers.”

What it costs

A free tier, free forever.

• Free plan: free forever

“MayOnlineTools is 100% free, private & serverless”

“Every donation helps keep MayOnlineTools free & private forever.”

Who it sells to

Sells to consumers. Built for solo users. Made for creators, engineers and students.

• Sells to: consumers
• Company size: solo / indie
• Made for: creators · engineers · students

“This website is a 100% independent passion project born out of a genuine love for web technology, privacy-first software, and running local AI models on personal hardware.”

“Hi! I'm Chris , an independent software developer and tech enthusiast based in the Netherlands.”

How it runs

A web app. Runs locally and works offline. No API.

• Kind: web
• Runs where: on the device, offline
• API: no

“All tools run 100% locally on your device via client-side JavaScript, Web Workers, WebAssembly, and WebGPU.”

“Unlike traditional web utilities that transmit text, API keys, or financial figures to cloud servers for remote processing, MayOnlineTools uses a decentralized client-side model:”

What it works with

Names GitHub, Google AdSense and 5 more on its pages.

• Names: GitHub · Google AdSense · Ko-fi · +4

“GitHub”

“Google AdSense”

What it offers as proof

Live, no waitlist. Claims “144 Tools”. Try it without signing up.

• Number claimed: 144 Tools
• Trial asks for: nothing

“…no signup or login required”

“…no signup required.”