Free picks · Web
Best free online email tools (2026)
Every pick is listed under Email in our directory, runs in a web browser and is completely free or has a free plan. We rank them by our rating and popularity, then favour tools made mainly for email and apps built for the browser.
Short answer
The best free online email tools are Brevo, MailerLite and Buttondown, the top three of 18 matches in our directory. 1 of the 10 picks is completely free and the other 9 have a free plan; 2 are open source.
Updated
Built with love by Shushant Lakhyani. Building bestproductivityresources.com
At a glance
Counted from the top 10 picks, except the total.
- Matching tools
- 18
- Completely free
- 1
- Open source
- 2
- Browser-only
- 6
- Also have apps
- 4
Comparison table
“Free plan” means a free tier with paid upgrades. A dash in Licence means our directory does not list the tool as open source.
| # | Name | Pricing | Platforms | Licence | Why pick it |
|---|---|---|---|---|---|
| 1 | Brevo | Free plan | Web | — | Email, SMS and marketing automation with a free plan of 300 emails a day. |
| 2 | MailerLite | Free plan | Web, iOS, Android | — | Email marketing with automations, landing pages and a free plan for up to 250 subscribers. |
| 3 | Buttondown | Free plan | Web | — | A simple, privacy-first newsletter tool, free for your first 100 subscribers. |
| 4 | Kit | Free plan | Web, iOS, Android | — | Email marketing for creators, free for up to 10,000 subscribers. |
| 5 | Beehiiv | Free plan | Web | — | Newsletter platform with built-in growth, monetisation and analytics. |
| 6 | mail-tester.com | Free plan | Web | — | Test how spammy your email looks before you send it. |
| 7 | MxToolbox | Free plan | Web | — | Free DNS, MX, blacklist and email deliverability lookups. |
| 8 | Can I Email | Free | Web | Open source | Check which HTML and CSS features work in each email client. |
| 9 | Proton Mail | Free plan | Web, iOS, Android, macOS, Windows, Linux | — | An encrypted email service with a free plan and apps on every platform. |
| 10 | Tuta | Free plan | Web, iOS, Android, Windows, macOS, Linux | Open source | End-to-end encrypted email and calendar with a free plan. |
Why each pick made the list
Every reason is taken from the tool's own listing: its categories, platforms, features, rating and pricing.
Our top web pick, rated 4.4/5. Made mainly for email, one of 9 such picks here. It runs in the browser only, so there is nothing to install. It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Daily sending cap on the free plan
Number 2 of 10 for web, rated 4.6/5. Made mainly for email, one of 9 such picks here. Use it in the browser, or on iOS and Android. Its listing says it is easy to pick up (7 of 10 here). On our iPhone list it is number 2.
Watch out for: Free plan is capped at 250 subscribers
Number 3 of 10 for web, rated 4.6/5. Made mainly for email, one of 9 such picks here. It runs in the browser only, so there is nothing to install. Its listing says it is privacy-focused (3 of 10 here) and is easy to pick up (7 of 10 here). It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Free plan only covers 100 subscribers
Number 4 of 10 for web, rated 4.5/5. Made mainly for email, one of 9 such picks here. Use it in the browser, or on iOS and Android. Its listing says it is easy to pick up (7 of 10 here). On our iPhone list it is number 3.
Watch out for: Automations need a paid plan
Number 5 of 10 for web, rated 4.7/5, the highest here. Made mainly for writing, it is the only pick here that covers email as a second use. It runs in the browser only, so there is nothing to install. Its listing says it is easy to pick up (7 of 10 here). It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Design customisation is more limited than a full site builder
Number 6 of 10 for web, rated 4.6/5. Made mainly for email, one of 9 such picks here. It runs in the browser only, so there is nothing to install. Its listing says it is easy to pick up (7 of 10 here). It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Only three free tests per day
Number 7 of 10 for web, rated 4.5/5. Made mainly for email, one of 9 such picks here. It runs in the browser only, so there is nothing to install. It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Monitoring and alerts are paid
Number 8 of 10 for web, rated 4.6/5. Made mainly for email, one of 9 such picks here. It runs in the browser only, so there is nothing to install. It is not in the iPhone top 9 (not listed for iPhone).
Watch out for: Email clients change without notice
Number 9 of 10 for web, rated 4.6/5. Made mainly for email, one of 9 such picks here. Use it in the browser, or on iOS, Android, macOS, Windows and 1 more platform. Its listing says it is privacy-focused (3 of 10 here) and is easy to pick up (7 of 10 here). On our iPhone list it is number 4.
Watch out for: Only 500 MB of storage to start on the free plan
Number 10 of 10 for web, rated 4.5/5. Made mainly for email, one of 9 such picks here. Use it in the browser, or on iOS, Android, Windows, macOS and 1 more platform. Its listing says it is privacy-focused (3 of 10 here) and is easy to pick up (7 of 10 here). On our iPhone list it is number 5.
Watch out for: Free plan has 1 GB and one address
Running these on Web
Counted from each pick's listing type and platforms.
- By listing type, the 10 web picks are 9 web apps (Brevo, MailerLite, Buttondown, Kit and 5 others) and 1 website (Can I Email).
- Browser only, nothing to install: Brevo, Buttondown, Beehiiv, mail-tester.com, MxToolbox and 1 other.
- 4 picks also have an app listed for another platform, and 4 of 10 have a phone app (iPhone or Android).
How this list compares
The same search on other platforms. Only the differences are named.
- Free email apps for iPhone
4 of these 10 web picks also make the iPhone top 9. 6 are on this list only: Brevo (not listed for iPhone), Buttondown (not listed for iPhone), Beehiiv (not listed for iPhone), mail-tester.com (not listed for iPhone), MxToolbox (not listed for iPhone) and Can I Email (not listed for iPhone). In their place the iPhone list has Spark Mail, SimpleLogin, addy.io, Shortwave and Loop Email; Spark Mail is not listed for the web.
More matches
8 more free online email tools in our directory, in ranked order.
Frequently asked questions
- What is the best free online email tool?
- Brevo is our first pick. Email, SMS and marketing automation with a free plan of 300 emails a day. Brevo has a free plan, with paid plans that unlock more features or usage.
- Are these email tools really free?
- Yes, every pick is free to start. Can I Email is completely free. Brevo, MailerLite, Buttondown, Kit and 5 others have free plans with paid upgrades.
- Which of these email tools are open source?
- Can I Email and Tuta are tagged open source in our directory, so you can read the code of each and, depending on the licence, self-host or modify it.
- Which are easiest for beginners?
- MailerLite, Buttondown and Kit are rated beginner-friendly, along with 4 other picks. 3 picks take more time to learn.
- How many free online email tools are in the directory?
- 18 match: listed under Email, available in a web browser and free to start. This page ranks the top 10 and names up to 20 more under More matches. The Email category page has every listing, paid ones included.
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