Chrome extension free for the first 50 users

Read the video before you watch it.

Flashines puts a flash icon on every video in your YouTube feed. Click it and you get the answer, the steps or the verdict in about a second. Without opening the video.

Add to Chrome, it is free See how it works

Works on the YouTube home feed. Bring your own API key. No account.

youtube.com
⚡ Flashines
14:02

Is the new 14" MacBook Pro worth it in 2026?

Hardware Unpacked · 214K views

⚡ Flash
8:41

How to set up a home NAS in 8 minutes

Selfhosted Weekly · 63K views

⚡ Flash
22:17

5 things nobody tells you about freelancing

The Quiet Desk · 1.1M views

⚡ Flash
⚡ Flashines 1.2s ✕
WORTH IT?

Yes, if you edit video.

  • Why yes. The M5 Pro cut his 4K export from 11 to 4 minutes on the same timeline.
  • Why not. For browser and office work he measured no felt difference against the 2023 M3
Watch video Ask Gemini Show more
~1smedian time to the first words of the verdict
$0.0005your API cost per verdict, measured
0Flashines servers your data passes through
1 clickno new tab, no paste, no prompt writing

How it works

Three steps, one second.

The extension only ever sends the video id, the title and the channel. The transcript fetch and the model call both run in the background worker with your own keys.

01

Click the flash chip

Flashines adds a small ⚡ Flash chip under the byline of every video in the home feed. Nothing else on YouTube moves.

⚡ Flash

02

The transcript gets read

The full transcript goes to a small fast model with an instruction that depends on what the title is actually asking.

03

The answer streams in

A verdict, the steps, or the list, in the language spoken in the video. Then you decide: watch it, or move on.

Worth it?YES

What you get

Every title is a question. You get its answer.

“Is it worth it?”

→

Yes, no or depends, plus the two reasons the reviewer actually gave.

“How to do X”

→

The numbered steps, in order, without the intro and the sponsor read.

“5 things you need…”

→

The actual five items. No counting down for eleven minutes.

Anything else

→

A three point gist so you know what the video really covers.

Pricing

Free for the first 50 users.

One plan while Flashines is young. You bring your own API key, so the only cost is fractions of a cent per verdict, billed by your provider and never by us.

Founding 50

$0forever, for the first 50 users

  • ✓ Unlimited verdicts on the YouTube home feed
  • ✓ Intent aware output: verdict, steps, list or gist
  • ✓ Bring your own keys, they never leave your browser
  • ✓ Ask Gemini hand off with the video prefilled
  • ✓ Your usage stats stay local, video ids are hashed
  • ✓ Direct line to the maker while we shape v2
Claim a free seat

Seats are limited to 50 so feedback stays personal.

FAQ

The obvious questions.

Why do I need my own API key?

Because there is no Flashines server in the middle. Your key sits in your browser storage, only the extension background worker reads it, and your provider bills you directly. That is also why one verdict costs about five hundredths of a cent instead of a subscription.

Does it work on every video?

It needs a transcript. Videos without captions in any language cannot be read, and Flashines tells you that instead of guessing. Home feed only in this version.

What language is the answer in?

The language spoken in the video, not the language of the title. Czech video with an English clickbait title gets a Czech verdict.

What does Flashines know about me?

Nothing leaves your machine except the transcript request and the model call, both with your keys. Usage counters are local and video ids are hashed.

Stop paying for videos with your time.

Free for the first 50 users. Two minutes to install.

Add to Chrome