Letterbot AI

Name: Letterbot AI
Rating: 5 (1 reviews)
Author: nikolashaag

AI email assistant — generate emails, replies, subject lines, summaries, and grammar fixes in 13 languages.

As of June 2026, Letterbot AI has 537 users and a 5.00/5 rating from 1 reviews in the Workflow & Planning category.

nikolashaag Workflow & Planning

Chrome Web Store ↗.crx

Users−16.7%

537

Rating0%

5.00

1 reviews

Reviews0%

Version

2.0.1

Manifest V3

90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

8 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	645	5.00	1	1.0.17
May 2, 2026	662	5.00	1	1.0.17
May 9, 2026	569	5.00	1	2.0.1
May 14, 2026	550	5.00	1	2.0.1
May 20, 2026	537	5.00	1	2.0.1
May 26, 2026	553	5.00	1	2.0.1
Jun 2, 2026	522	5.00	1	2.0.1
Jun 8, 2026	501	5.00	1	2.0.1
Now	537	5.00	1	2.0.1

Changelog

May 2, 2026

description

Generate emails with AI


This free Chrome extension does all the tedious writing for you. You just have to throw in a couple of sentences about what the email should be about, and the extension does all the writing for you. You just have to choose the right tone of voice for the occasion. No need to think about spelling, grammar, or any formalities.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Here are the advantages of this tool:
✔️ High-quality responses using advanced AI language models
✔️ Compatible with Gmail
✔️ English and German language are supported
✔️ Fixes any typos you might have
✔️ Accessible button right where you need it when composing emails
✔️ Can be turned on or off at any time
✔️ Privacy-friendly

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HOW TO USE ON GMAIL
1. Open Gmail
2. Create a new email
3. Click the "Letterbot AI" icon next to the "Send" button
4. The Letterbot dialog will open
5. Give a few short sentences about what the email should be about
6. Insert the generated email back into the email editor

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FAQ
Which languages are supported?
German and English

Is there a desktop version of this extension?
Yes, you can also go download the desktop version with more features for free on the linked website.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
What is your privacy policy?
This tool respects your privacy and does not use ads, cookies, or third-party trackers.

Write better emails in seconds. Letterbot AI lives inside your Gmail compose window — just click the robot icon in the toolbar and let AI do the writing.

6 Powerful Tools:

📧 Write Email — Describe what you want to say, and AI writes the full email for you
↩️ Smart Reply — Paste an incoming email and describe your intent. AI drafts a contextual reply
💡 Subject Line Generator — Get 3 subject line suggestions for any email
📋 Email Summary — Condense long emails into concise bullet points
✏️ Grammar Correction — Fix spelling, grammar, and punctuation mistakes instantly
📈 Sales Email — Generate persuasive cold outreach and sales pitches

13 Languages:
English, German, Spanish, French, Portuguese, Croatian, Japanese, Korean, Chinese (Simplified & Traditional), Arabic, Hindi, and Russian.

5 Writing Tones:
Formal, Casual, Friendly, Polite, or Respectful — match the right tone for every situation.

Works Inside Gmail:
No switching tabs. Letterbot adds a button directly to your Gmail compose toolbar. Click it, pick a tool, type your prompt, and generate. Hit "Insert" to paste the result straight into your email.

Template Library:
Don't know where to start? Choose from ready-made templates: follow-up after no reply, meeting request, thank-you after interview, polite complaint, project status update, resignation notice, and more.

Smart Reply Context:
When replying to an email, Letterbot automatically extracts the conversation thread so the AI knows what you're responding to.

Pricing:
• Free — 5 requests per day
• Basic — 100 requests per day
• Professional — 800 requests per day

Get started for free. Upgrade anytime at letterbot.ai.

May 2, 2026

short_description

Email generation with AI

AI email assistant — generate emails, replies, subject lines, summaries, and grammar fixes in 13 languages.

May 2, 2026

host_permissions

https://mail.google.com/

https://mail.google.com/*, https://email-ai-gateway.herokuapp.com/*, https://letterbot.ai/*

May 2, 2026

permissions

scripting

storage, alarms, scripting, activeTab

Permissions & access

Permissions: storagealarmsscriptingactiveTab
Host access: https://mail.google.com/*, https://email-ai-gateway.herokuapp.com/*, https://letterbot.ai/*

Screenshots

About

Write better emails in seconds. Letterbot AI lives inside your Gmail compose window — just click the robot icon in the toolbar and let AI do the writing.

6 Powerful Tools:

13 Languages:
English, German, Spanish, French, Portuguese, Croatian, Japanese, Korean, Chinese (Simplified & Traditional), Arabic, Hindi, and Russian.

5 Writing Tones:
Formal, Casual, Friendly, Polite, or Respectful — match the right tone for every situation.

Smart Reply Context:
When replying to an email, Letterbot automatically extracts the conversation thread so the AI knows what you're responding to.

Pricing:
• Free — 5 requests per day
• Basic — 100 requests per day
• Professional — 800 requests per day

Get started for free. Upgrade anytime at letterbot.ai.