Sincron Screen Tools
Buy

The Windows screenshot tool that explains itself.

Capture, mark it up, add a background, and paste it ready, free and unlimited. Text in another language? Read it translated in place.

Windows 10 and 11Lifetime $89 or $36 per year7-day money-back guarantee

Illustrative animation: the app selects part of the screen — a map, an article, a post, an error log or a game — and shows the translation in the same place as the original.

Ctrl + Shift + Tanchored translation · live

Annotate on screen and on the screenshot.

Arrow, pen, highlighter and text on top of any program. Show where to look and send a screenshot that explains itself, with no AI and nothing to set up.

CtrlShiftD

On screen, live

Draw over whatever is open: the program underneath keeps working. The E key clears everything and Esc closes it.

Sales dashboard · 2026
Sales by region — September
Monthly revenue compared with August
Total
$1.25M
+4.2% vs. August
$412K
East
$296K
South
$262K
West
$198K
Central
$77K
North
down 41% here
Draw here

Hold Shift for a straight line, Ctrl for a rectangle and Ctrl + Shift for an arrow.

CtrlShiftC

On the screenshot

Mark it up on screen, capture it with the drawings and adjust background, margin and shadow in the Studio. Copy and paste it into Slack, an email or a ticket.

Sincron Screen ToolsShare selection
Sales dashboard · 2026
Sales by region — September
Monthly revenue compared with August
Total
$1.25M
+4.2% vs. August
$412K
East
$296K
South
$262K
West
$198K
Central
$77K
North
down 41% here
  • Pen
  • Highlighter
  • Arrow
  • Line
  • Rectangle
  • Ellipse
  • Text
  • Undo

Annotate and share screenshots

CtrlShiftT

The translation sits where the text was.

Image, PDF, game, video or internal system: if it's on screen, you can read it in your language — in the same color and style as the original.

natsuya.jp/sale
なつやメニュー
期間限定
夏のセール
全品最大50%オフ
8月31日まで。5,000円以上のご注文で送料無料。
今すぐ購入
※一部商品を除く
JA → EN

Same color, same weight, same place. Only the language changes — and only in the part you selected.

  1. 01

    Press Ctrl + Shift + T

    In any program, without copying anything or switching windows.

  2. 02

    Drag over the text

    Only the part you mark is read. The source language is detected automatically.

  3. 03

    Read it in your language

    The translation covers the original. Need the big picture? Ctrl + Shift + S summarizes the passage with AI.

One payment. Everything unlocked.

Translation, summaries and annotation with no usage limits.

Annual

$36per year

$3 per month

  • Everything unlocked, no usage limits
  • Renews every year
  • Cancel anytime

Lifetime

Recommended

$89one-time payment

No monthly fees, no renewals

  • Everything unlocked, forever
  • All future updates
  • Costs less than 3 years of the annual plan

Want to try it first? Download free — unlimited capturing, annotating and drawing; 5 translations and summaries a day, no time limit.

  • 2 computers per license
  • 7-day money-back guarantee
  • Secure payment via Stripe

Questions before you buy

Another question? suporte@sincronia.digital

Do I need an AI key to use it?

Not to annotate and capture: that works as soon as you install it, with no internet. To translate and summarize, yes: you use your own OpenAI or OpenRouter key, and the selection goes straight to the provider you chose.

Can I annotate a screenshot without translating anything?

Yes, and it is free and unlimited. Ctrl + Shift + D opens the drawing layer with arrow, rectangle, highlighter and text over any app. Ctrl + Shift + C captures the area with your drawings and opens the Screenshot Studio, where you set the background, margin, corners and shadow and copy or save the PNG.

Does it work in any program?

Yes. It works on the screen, not inside an app: browser, PDF, spreadsheet, game, video call, internal system. If it's on screen, you can translate and annotate it.

Do my captures go through Sincron?

No. When you annotate and capture, nothing leaves your computer. To translate and summarize, the selection goes with your key straight to the provider you chose. No capture is saved unless you save it.

How many computers can I use it on?

Two, with the same license. Activation uses your purchase email, no password.

What if I don't like it?

You have a 7-day guarantee. Ask for a refund by email at suporte@sincronia.digital.

Is there a Mac version?

Not yet. Today it runs on Windows 10 and 11; the macOS version is in development.

Understand any screen. Show what matters.

or try it free