PDF

Annotate PDF

Add notes or highlights to selected pages.

Input

File and output

PDF

Drag a PDF or click to choose it.

PDF. Limits depend on your plan.

Result

File ready

PDF
Waiting for file

The result will appear here.

Format
-
Size
-
Pages
-

API

Also available by API

Use the mirror endpoint with multipart or base64 JSON. API balance stays separate from web NOX.

Billing validates balance before processing and only charges after a successful output.

POST /api/v1/tools/pdf-annotate
Authorization: Bearer TU_API_KEY
Content-Type: application/json

{
  "pdf_base64": "data:application/pdf;base64,...",
  "annotation_text": "Revisar esta seccion",
  "highlight_text": "NOXUS",
  "pages": "1-3"
}