Why it cannot run on a Mac
Because of what the file actually is.
It is a Windows executable, compiled for Windows and built against Windows system calls. Macs do not read that format and macOS does not provide those system calls. This is not a compatibility gap that a patch could close. It is two operating systems that speak different languages at the level the program works at.
There is a second reason, and it is more final. The program has not been rebuilt in years. The build date is printed inside the app itself, under Prefs and then About TinyTask. Nobody is adding platforms to software that is no longer being changed at all.
What people mean when they search for this
Almost nobody actually wants this specific program on a Mac. They want what it does, which is the thing the how to use TinyTask guide describes on Windows.
Record what I do. Play it back. No scripting. Free.
That is a reasonable thing to want, and macOS can do it. Not with one small download, which is the honest disappointment here, but the capability exists and some of it is already on your machine.
What is already built into macOS
Two tools, both free, both already installed.
Shortcuts is the modern one. It builds automations out of blocks you drag together, and it can run applications, handle files, work with text, and chain steps in order. It does not record your mouse. You tell it what to do rather than showing it.
Automator is the older one and it is still there. It has a watch-me-do-it mode that records some actions and replays them, which is the closest thing macOS has to the record and replay idea. It is the nearest match to what you came here looking for, and it is worth trying before you buy anything.
Both are limited in the same way the Windows program is. They replay actions. They do not think.
The permission that stops everything
Before any of this works there is one step that catches everybody. No article about Mac automation mentions it early enough.
macOS blocks applications from controlling your mouse and keyboard until you allow it. You grant that in System Settings, under privacy and security. Look in the accessibility section, and often in input monitoring as well.
If an automation tool on a Mac appears to do nothing at all, this is almost always why. It is not broken. It has not been given permission. Grant it, quit the application completely, and open it again. Some tools will not pick up the new permission until they are restarted.
Paid tools worth knowing about
If the built-in tools are not enough, these are the names that come up repeatedly among people who actually automate their Macs. All are paid, and we take nothing from naming them.
Keyboard Maestro is the heavyweight. Triggers, conditions, and macros that behave differently in different applications. It suits someone building real workflows rather than repeating one sequence.
BetterTouchTool covers input, gestures, and window management, with automation attached. It suits people who want their whole input setup customised, with macros as part of that.
Hammerspoon is free but it is not a recorder. It is a scripting bridge to macOS, aimed at people comfortable writing a little code. Powerful, and the wrong tool if you wanted to press a record button.
For simple repeated clicking, there are small clicker utilities on the Mac App Store. Check the last update date before you install one. Several of the most linked ones were abandoned years ago, and an unmaintained tool that hooks into your input is worth avoiding.
Running the Windows program on a Mac anyway
This is possible in principle and we are not going to pretend we have tested it.
A virtual machine is the realistic route. Run Windows inside macOS and run the program inside that. On Intel Macs this is well-trodden. On Apple Silicon you would be running the ARM edition of Windows. That edition emulates older Windows applications. Whether this particular program behaves correctly in that stack, we do not know.
A compatibility layer that runs Windows applications without a full Windows install is the other option. Same position: plausible, untested by us.
Boot Camp is not an option on Apple Silicon. It only ever worked on Intel Macs.
If you try either route, one thing is worth understanding in advance. A macro records screen positions. Inside a virtual machine those positions belong to the virtual screen, not your Mac. The macro can only ever control what is inside that window. Automating your actual Mac applications this way is not possible.
The reasonable conclusion
If you need Windows automation, use the Windows tool on a Windows machine. It is small and free. The download page publishes a checksum so you can confirm what you have, and it runs from a USB stick without installing, which the portable page covers.
If you need Mac automation, use a Mac tool. Start with what is already installed, and pay for something only when you have hit a wall you can describe.
What does not work is hunting for a Mac build of a Windows program that stopped being developed years ago. That search has one destination. It is a download page run by someone who knows you are not going to check what they gave you.
The same answer applies on the other platforms people ask about. There is no version for Linux and none for phones or tablets either, and both of those pages set out what to use instead.
A word on the Mac downloads you will find
Search this phrase and you will be offered files. Be careful with all of them.
Nobody has permission to distribute a Mac version, because there is nothing to distribute. So a file offered under that name is one of three things: an unrelated program renamed, an installer wrapped around advertising, or something worse.
The habit that protects you is the same one we apply to our own files. Know what the file is, know where it came from, and check it against a published checksum before you run it. Why that matters is on the safety page.
Frequently asked questions
No. It is a Windows application and no macOS version has ever been released. Any Mac download offered under that name is something else.
No. The program has not been rebuilt in years, and its own About window shows the build date. Nothing is being added to it, least of all a new platform.
Automator, which is already on your Mac and has a record and replay mode. Shortcuts is the more capable modern tool, though it works by building steps rather than recording them.
Almost certainly a permission. macOS requires you to allow the application to control your computer in privacy settings, and many tools need restarting after you grant it.
Probably, and we have not tested it, so we are not going to promise it. Note that a macro running inside a virtual machine can only control what is inside that window, never your Mac applications.
Yes, two, and they are already installed. Automator and Shortcuts. Everything else worth using on macOS is paid, and the alternatives page covers the wider set across platforms.
No. Portable means no installation is required on Windows. It has nothing to do with which operating system the file runs on, as explained on the portable page.