A video jargon explainer for focused learning

Understand unfamiliar terms in YouTube videos

JargonLens identifies technical, financial, business, and industry terminology in captioned videos, then shows a timely plain-English definition without pulling you away from what you are watching.

  • Definitions at the moment a term is spoken
  • A searchable glossary for each video
  • Clear consent and local controls
Expert video12:48
...the company reports free cash flow after...
Free cash flow12:48

Cash a business has left after paying operating costs and necessary investments.

FinancePlain-English definition

Keep watching. Keep understanding.

An AI video glossary that stays in context

Instead of pausing to search every unfamiliar phrase, get concise help where it is useful: beside the video and tied to the spoken moment.

01

Technical terms, explained simply

Turn specialist language into short explanations written for an educated general viewer.

02

A glossary for every video

Review the identified terms, search their definitions, and jump back to the relevant timestamp.

03

Controls that respect your attention

Adjust sensitivity, hide terms you know, request more detail, or clear locally saved analyses.

Built for dense, expert-led content

Make technical YouTube videos easier to follow

JargonLens works as a video jargon explainer for subjects where a few unexplained terms can make an otherwise useful video hard to follow.

Use it to understand financial concepts, software terminology, business acronyms, scientific language, and industry-specific phrases.

Explore the YouTube term explainer →