Updated 2026-11-06 · New toolbar design and printing

Open a PDF,
start writing instantly.

One double-click opens your PDF ready for notes. Write anywhere on your lecture screen, then collect annotated pages into a lesson notebook to save as PDF or print.

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Windows x64 · No card required · Then US$1 / month

ScreenNote · PDF

OpenSaveSave asPrint ◀▶ TextPencilHighlighterEraser 12 ⌄ ⌄ 100% ⌄

Unit 2 · Graphs of quadratic functions

Vertex coordinates

Plug in x = −b/2a!
→ vertex (2, −1)

Notes saved · All pages of a document are saved to one file.

PDFWord (.docx)PowerPoint (.pptx)Also on top of Chrome and other PDF viewersKorean · English

VIDEO GUIDE

Learn it in one minute

From installation to organizing lesson notes — just follow along.

Tutorial video placeholder

Your recorded video goes here · 16:9 recommended

Chapters

01Install and log in[0:00]
02Set up instant PDF opening[0:00]
03Using the screen toolbar[0:00]
04Pause with a right-click[0:00]
05Lesson notes · Save PDF · Print[0:00]

Fill in each chapter's start time after recording.

01 — Instant PDF opening

No menus to hunt for —
double-click and write

Set ScreenNote as your default PDF app during setup, and every PDF opens ready for the Text, Pencil and Highlighter tools at the top.

Notes stay with each page, even after you reopen the file
Your original PDF is never overwritten — notes save to a new PDF
Prefer your current viewer? Write on screen over Chrome or any PDF app

PDF

reading_practice_test.pdfDouble-click

TextPencilHighlighterEraser

Answer ③ — topic sentence comes first

02 — Screen toolbar

On lecture videos, web pages — any screen

Open the toolbar at the bottom right and press Start — whatever is on your screen becomes your notebook.

ExitSaveOpen PDFLessonColor12SizeAaFontMoveEraserPencilHighlighterTText가/ALanguageStart

Text

Click anywhere and type. Follows your keyboard's input language.

Highlighter · Pencil

Draw freely as you drag — no line smoothing, just like handwriting.

Right-click = Pause

Notes stay visible while you use the screen behind. Right-click again to keep writing.

Move · Eraser

Select and move notes, or press Delete. The eraser removes both strokes and text.

Save

Saves your screen notes as PNG and returns to your screen. The End key works too.

Korean / English

Switch the app language instantly with the 가/A button.

ScreenNote · Lesson

2026-11-08 09:00 (4) ⌄+ New lesson↻ Refresh☑ Select allSave PDFPrint

Unit2_Quadratics · page 3

Unit2_Quadratics · page 5

Unit2_Quadratics · page 8

x = −b/2aNew memo · page 1

03 — Lesson notebook

Only the pages you annotated,
in one notebook

Annotated pages stack up in your lesson list in time order. Select all or just the ones you need to save as PDF or print, and click any image to view it at full resolution.

Edit a page and the list updates automatically
Reopen saved work to edit text and strokes
Print with your notes — choose printer and page range

04 — Shortcuts

Keep your hands
on the keys

Read the full guide →

Pause · resume writingRight-click

Resume writingInsert

Save screen notesEnd

Open documentCtrl + O

PrintCtrl + P

Save over lesson imageCtrl + S

Try it free for 14 days

No card required · Then US$1 / month · All features included

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Open a PDF,start writing instantly.