Understand slang, idioms, and tone in seconds.

LingFlo is a lightweight browser extension that explains informal language while you read. Highlight a phrase and get a clear, learner-friendly breakdown of meaning, tone, and when it sounds natural.

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🇺🇸 English 🇪🇸 Español 🇵🇹 Português 🇫🇷 Français 🇩🇪 Deutsch 🌍 More
Live page snippet

LingFlo detects the highlighted phrase.
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ORIGINAL
SIMPLE
NOTES

How it works

Three quick steps to keep your language natural and clear.

1. Highlight

Select a phrase anywhere on the web.

  • Works on news, social, forums, docs
  • Detects slang, idioms, and tone

2. Understand

Get a short, learner-friendly explanation.

  • Meaning, formality, naturalness
  • Where and who uses it

3. Apply

Rewrite or practice with one click.

  • Suggested rewrites for tone
  • Quick “Use or Recognize” guidance

What you get

Focused on the MVP essentials for understanding informal language.

Slang assessment

Clear “use vs recognize” guidance with confidence and naturalness.

  • Commonness and formality
  • Who uses it and where
  • Simple learner-friendly rationale

Rewrite & check

Clean rewrites that match tone and register.

  • Formal and neutral options
  • Quick checks for learner attempts

Inline notes

Instant explanations without leaving the page.

  • Works on any site
  • Fast, lightweight responses

Pricing

Start free. Upgrade when you need higher limits.

Free

For trying LingFlo and light use.

$0

per month
  • Monthly usage limits
  • Core slang assessment
  • Inline notes
Start free

Pro

For consistent learning and daily use.

$12

per month
  • Higher monthly limits
  • Rewrite + check tools
  • Priority improvements
Upgrade to Pro

Supporter

Invite-only for early supporters.

$0

with access code
  • Extended limits
  • Early feature access
  • Direct feedback channel
Redeem access code

FAQ

Quick answers for MVP launch.

Which browsers are supported?

Chrome, Edge, Arc, and other Chromium-based browsers.

Do I need an account?

Yes for usage limits and upgrades. Free accounts start immediately.

What data is stored?

We store minimal account data and usage totals. Your highlighted text is processed to respond to your request.

Ready to launch LingFlo?

Install the extension, create your account, and start learning slang in minutes.

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