Delegate your day.
Free email tools
Small tools for the parts of email that are fiddly. Each one runs in your browser, needs no sign-in and never uploads what you give it.
What to expect
- Price
- Free, with no sign-in.
- Privacy
- Runs in your browser. Nothing is uploaded or saved.
- Sources
- Limits and operators link to Google and Microsoft.
Made by the Otto Mail team.
Pick a tool
4 tools, each with an explanation of how it works.
Gmail and Outlook search builder
Build a search with a form, in Gmail or Outlook syntax.
Open the toolAttachment size checker
Will your files fit? Checked in your browser.
Open the toolInbox time calculator
Hours a week your inbox takes.
Open the toolEmail signature generator
Preview and copy a signature.
Open the toolTry your next step in Otto
Core mail, calendar and tasks are free. AI has an allowance.
Open OttoDownload on theApp StoreComing soon toGoogle Play