Meeting Timezone Planner — Find Shared Slots
Pick attendee time zones and highlight civilized meeting windows that overlap business hours.
How it works
- 1Enter your values in the fields above
- 2Click "Calculate" — all math runs in your browser
- 3View your results instantly
What to do next
About Meeting Timezone Planner
Meeting Timezone Planner is a self-contained web and productivity utility workspace. Pick attendee time zones and highlight civilized meeting windows that overlap business hours. Open the page, get the result, close the tab — that is the entire workflow.
Under the hood, Meeting Timezone Planner uses standard browser APIs to do the actual work. Input runs through the same engine, with a per-file ceiling of 0 MB so memory usage stays predictable on lower-end laptops and tablets. The engine ships as part of the page bundle, so once the page is loaded the tool keeps working even if your network connection drops.
Meeting Timezone Planner works well as a bookmarked utility you reach for when you need it. The first visit shows you what the tool does; the second is when you realise it is a low-friction option for the task and worth keeping in your tab list.
Because everything runs in the page, the tool scales the same way for one user or a million — there is no per-user backend cost. The page is static, the engine is the same JavaScript bundle for every visitor, and the work happens on the visitor's own device. That keeps the tool free and keeps it fast on the first interaction.
The architecture imposes only the limits the browser itself imposes. The published 0 MB ceiling is conservative; most modern devices comfortably handle inputs up to that size, and the cap exists so the tool degrades gracefully on phones and budget laptops rather than running out of memory.
As a workflow component, Meeting Timezone Planner is the part you reach for when a single, well-defined web and productivity utility step needs to happen. It performs that step and returns a standard file you can carry into the next part of your pipeline.
Meeting Timezone Planner sees the most use from analysts pulling lightweight reports and product managers comparing options, but the design is intentionally generic enough that you do not need a specialist background to get a good result. The defaults aim at the most common case so a first-time user can get the right output without changing any settings.
Output handling is intentionally boring: Meeting Timezone Planner produces a single output file and triggers your browser's standard "save" behaviour. If you have a default download folder configured, that is where it will land. There is no Favtoo-side history of jobs you have run.
Meeting Timezone Planner is built around steady iteration on a small set of options rather than feature creep. Every additional setting attracts a slightly different audience, but a long settings panel makes the common case slower for everyone. The current controls reflect what users of the tool actually use.
From a product perspective, Meeting Timezone Planner is one of the simplest possible expressions of "do one thing well." The catalog contains dozens of related tools that each handle a slightly different web and productivity utility task, and every one is a separate page rather than a tab inside a larger app. That separation keeps each tool fast to load and easy to bookmark.
If you want to get the most out of Meeting Timezone Planner, three small habits help. Drag-and-drop is faster than the file picker once you get used to it. The keyboard shortcut for downloading the result is whatever your browser uses for "save link as," because the result is a normal download. And if you are working on a sensitive file, processing in an Incognito or Private window is a good extra layer — it leaves no trace in browser history when the tab closes.
Meeting Timezone Planner fits the gap where opening a desktop app feels heavy and writing a script feels overkill. The page handles the common web and productivity utility task with sensible defaults so a single visit usually completes the job; for highly specialised work, a dedicated desktop application can offer more knobs to turn.
If Meeting Timezone Planner appears to hang, the engine is almost certainly still working — large inputs simply take longer to process inside a browser than they would on a server with multi-core scheduling. For inputs near the 0 MB cap, give it up to a minute on a typical laptop before assuming something is stuck.
That is essentially everything Meeting Timezone Planner does and how it does it. Open the tool above, drop in your input, and the work happens in the page. If you find yourself reaching for it often, bookmark the page — it loads quickly on subsequent visits, and your most-recent settings are remembered for the rest of the session.
How it works
- 1Open Meeting Timezone Planner in your browser. The page loads quickly and the tool is ready to use the moment it becomes interactive.
- 2Add your web utility input by dropping it onto the page or browsing for it.
- 3Tweak the controls if the defaults are not quite right for your input. The options are kept short and labelled in plain language.
- 4Click to start the job. The engine (standard browser APIs) processes the input in the page; you can watch the progress indicator until it completes.
- 5Grab the output as soon as the run completes. You can also copy the result instead of downloading if the next tool in your workflow accepts pasted input.
- 6Repeat the process for additional inputs whenever you need to. The page stays loaded, so subsequent runs are quick.
Common use cases
- Audit a marketing page before launch using Meeting Timezone Planner.
- Validate a setting before circulating it to a team.
- Sanity-check a webhook response while debugging.
- Run a fast accessibility check before publishing.
- Create a placeholder image for a wireframe.
- Run a one-off check during a meeting without context-switching.
- Plan content without paying for a SaaS dashboard.
- Preview how a result looks before deploying it.
FAQ
How do I define business hours?
Set start and end times per zone; the heatmap highlights hours inside everyone’s window.
Does it respect half-hour offsets?
Yes — India, Nepal, and similar fractional UTC offsets render on the correct grid.
Can I copy a proposed slot?
One-click copy formats a concise string you can paste into Slack, email, or calendar invites.
What about holidays?
Business-hour shading ignores public holidays; pair with the holiday calculator for manual checks.
Is attendee information private?
Yes — you only pick city names or offsets locally; no roster is uploaded or stored by us.
Which browsers are supported?
Intl time zone data works in current Chrome, Firefox, Safari, and Edge across desktop and mobile.
Is it safe to use Meeting Timezone Planner on confidential files?
Your file is processed inside your browser by standard browser APIs. The engine reads the file's bytes from your tab's memory, computes the result, and writes the result back into the tab. You can confirm what the page does by opening developer tools and watching the Network tab during a run — the requests you see are for the tool's static assets only.
Does Meeting Timezone Planner support batch processing?
Meeting Timezone Planner processes one input at a time by design — it keeps memory usage predictable on lower-end devices and makes results easier to verify. To handle a folder, run the tool once per file; the page stays loaded between runs and remembers your last-used settings, so the second run is essentially instant.
Can I call Meeting Timezone Planner from a script?
Meeting Timezone Planner is a browser-only tool by design and does not expose a hosted API. The reason is the same as the privacy story: there is no Favtoo backend doing the work, so there is no service to call. If you need to script the same transformation, the underlying engine (standard browser APIs) is open-source and can be used directly from your own code.
Why did Meeting Timezone Planner reject my input?
Failures usually fall into one of three buckets: the input is in an unsupported format, the input is over the size cap, or the input is structurally malformed (a truncated download, a partial export, or a stream the engine does not recognise). The first two are easy to confirm — check that your file is in a supported format and that it is below 0 MB. For the third, opening the file in its native viewer first is the fastest way to confirm the source is intact.
Are there any hidden fees with Meeting Timezone Planner?
Meeting Timezone Planner is free to use. The processing runs in your browser, which keeps the per-user cost low enough that the tool can be offered openly. The download is the same file the engine produced — you can use it for as many runs as you need.
Will I notice a difference in the output from Meeting Timezone Planner?
Meeting Timezone Planner is built to preserve quality wherever the underlying web utility format allows it. Operations that are mathematically lossless (e.g. structural transformations, lossless re-encoding) round-trip with no perceptible change. Operations that involve a lossy codec inevitably introduce small artefacts at the byte level, but the defaults aim at the sweet spot where output looks or sounds the same to a normal viewer or listener while still being meaningfully smaller or faster than the input.
Does Meeting Timezone Planner work with screen readers?
Meeting Timezone Planner uses native HTML controls wherever possible, which means keyboard navigation, focus rings, and screen-reader labels work the way the platform expects. The drop zone accepts files via the keyboard-accessible file picker as well as drag-and-drop, and result downloads use standard browser download flows. If you spot an accessibility gap, Favtoo treats it as a bug worth fixing.