A Gmail extension that humanizes AI-written emails with adjustable tone settings.
Product memo
Humanly helps Gmail users refine AI-generated email drafts, ensuring they sound natural and human. It operates as a privacy-first browser extension, processing rewrites locally and using the user's existing LLM API keys. This approach sidesteps new vendor integrations and backend dependencies, serving users who prioritize data privacy and control over their AI tools.
For who
Gmail users writing AI-assisted emails
Solves what
Removes AI fingerprints from email drafts, making them sound more human.
- AI draft rewriting
- Tone adjustment slider
- Bring your own API key
In their own words
Less robot.
A Gmail tool that quietly pulls the AI fingerprints out of your drafts. Three styles. Your own key. Zero servers in between.
Bring your own key from the model family you already use, keep the rewrite local to your browser, and avoid introducing a new vendor into the email workflow.
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
Humanly offers a free tier; paid plan details are not publicly priced.
- • A free tier provides core functionality to drive initial user adoption.
- • Open-source code builds user trust and encourages community engagement.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
May 2026
Platform
Browser extension
Audience
General
Social footprint
Builder Strategy
- Strategy Type
- Wedge Expand
- Stage
- Bootstrapped Lean
- Effort
- Solo Buildable
About Humanly Expand
Humanly serves Gmail users who rely on AI for drafting emails but want to ensure their messages maintain a human touch. This browser extension processes AI email rewrites locally, using the user's own large language model API keys.
Its positioning as a privacy-first, provider-agnostic tool means users avoid introducing new vendors or backend systems into their workflow. Humanly offers features like AI email rewriting and a tone adjustment slider, allowing for subtle, human, or CEO tones.
The open-source nature of the product further reinforces its commitment to transparency and user control.