Se procesează documentul...
Vă rugăm să așteptați cât ne facem magia

Adnotă PDF online

Adnotă documentele PDF cu instrumentul nostru online gratuit. Adăugați comentarii, evidențieri, desene, forme, pictograme și câmpuri de formular la fișierele dvs. Indiferent dacă revizuiți un contract sau marcați note de studiu, editorul nostru ușor de utilizat vă permite să comunicați feedback-ul în mod clar.

Free No signup TLS encrypted

Trageți și plasați fișierele aici

Suport pentru PDF, Word, Excel, PowerPoint și Imagini. Procesare sigură până la 100 MB.

PDF DOC DOCX RTF PPT PPTX JPEG JPG PNG JFIF BMP WEBP TIFF GIF HEIC HEIF XLS XLSX CSV TXT ODT MD DXF DWG XPS OXPS AI CBZ CBR DJVU DJV EPUB MOBI AZW AZW3 FB2 CHM PAGES WPS HWP XML EML

What is an Online PDF Annotation Tool?

An online PDF annotation tool lets you add highlights, comments, drawings, stamps, and shapes to a PDF directly in your browser — no Adobe Acrobat, no software installation, and no account needed. Upload your PDF and annotate it with a full set of markup tools, then download the annotated file in seconds.

At PDFFixNow, you can annotate PDF online for free. All annotations are permanently embedded in the downloaded file — visible in every PDF reader on every device. Works on Windows, Mac, iPhone, and Android.

Types of PDF annotations you can add: Our tool supports the full range of standard PDF annotation types: Highlight annotations — color-coded text highlights in yellow, green, blue, or pink; Freehand drawing — pen strokes, circles, arrows, and handwritten notes; Sticky notes — pop-up comment boxes linked to a specific page location; Text boxes — permanent typed text overlaid on the page; Shape annotations — rectangles, circles, lines, and arrows; and Stamps — professional presets like APPROVED, DRAFT, CONFIDENTIAL, and FOR REVIEW.

Why annotate a PDF instead of editing it? Annotations are non-destructive — they sit on top of the original content without altering it. This makes them ideal for document review, feedback, and collaboration. The reviewer marks up the PDF; the author sees the comments and makes changes to the source document. This is the standard workflow in legal, academic, architectural, and corporate environments.

How to Annotate a PDF in 3 Simple Steps

1

Upload your PDF

Drag and drop your PDF file into the upload box or click to browse your device. Your document will load in the annotation editor with a full page preview.

2

Add your annotations

Select any annotation tool from the toolbar — highlight text, draw freehand, insert a sticky note, add a stamp, draw a shape, or place a text box. Apply your markups to any page. You can add multiple annotations of different types in one session.

3

Download your annotated PDF

Click "Annotate PDF" to embed all your annotations permanently into the file. Your annotated PDF downloads instantly — ready to share, review, or archive.

When Should You Annotate a PDF?

PDF annotation is a standard workflow in many professional, academic, and personal contexts. Here are the most common situations where adding annotations saves time and improves communication.

  • Highlight key clauses in a legal contract before sending it for review or signature.
  • Add sticky note comments to a colleague's PDF report to give feedback without editing the original.
  • Mark up a research paper or academic article with highlights and margin notes while studying.
  • Stamp a PDF invoice or document as APPROVED or PAID before filing it in your records system.
  • Circle errors or flag issues on a scanned form or proof document using freehand drawing.
  • Add DRAFT or FOR REVIEW stamps to a document before distributing it to stakeholders for input.
  • Insert text box annotations to fill in information on a non-interactive PDF form.
  • Mark up architectural drawings, blueprints, or technical diagrams with arrows and shape annotations.

Why Use PDFFixNow to Annotate PDFs?

Evidențierea și marcarea

Evidențiați cu ușurință textul important, adăugați subliniere sau baraj pentru a revizui documentele în mod eficient și a sublinia punctele cheie.

Desen cu mâna liberă

Desenați liber pe PDF pentru a încercui elemente, adăuga semnături sau face note rapide direct pe pagină.

Comentarii și formulare

Inserați note lipicioase, casete de text și câmpuri de formular interactive, cum ar fi casete de selectare și butoane radio, pentru a vă completa documentele.

Forme și imagini

Îmbunătățiți-vă PDF-ul cu forme geometrice, pictograme profesionale și diagrame pentru a vizualiza datele și a atrage atenția.

Procesare Securizată

Fișierele dumneavoastră sunt procesate în siguranță folosind criptarea SSL pe 256 de biți și șterse automat de pe serverele noastre după 2 ore.

Multiplatformă

Adnotă fișiere PDF de pe orice dispozitiv — desktop, tabletă sau mobil — direct în browser, fără a instala niciun software.

Tips for Annotating PDF Files Effectively

Assign a consistent meaning to each highlight color — for example, yellow for key definitions, green for action items, blue for references, and pink for questions. This makes it much faster to scan an annotated document and find specific types of information.

For detailed feedback or multi-sentence comments, use sticky notes rather than text boxes. Sticky notes are compact on the page — they appear as a small icon and expand only when clicked — so they do not obscure the original content beneath them.

For document workflows where you need to mark a document's review status — APPROVED, REJECTED, FOR REVIEW, CONFIDENTIAL — use stamps instead of manually typing. Stamps are visually prominent and immediately recognizable without requiring the reviewer to read a comment.

Always save a copy of the unannotated original PDF before uploading. If you need a clean version later — for a different reviewer or for final submission — you will have the original available without needing to remove all the annotations manually.

You can annotate a PDF on iPhone or Android directly from your mobile browser. Open PDFFixNow in Safari or Chrome, upload your PDF, add your annotations using the touch interface, and download the marked-up file — no app needed.

Once annotation review is complete and all feedback has been addressed, use our Flatten PDF tool to merge all annotations into the page content permanently. This prevents recipients from accidentally moving or deleting annotations in their PDF reader.

Frequently Asked Questions About Annotating PDFs

Încărcați PDF-ul, selectați instrumentul de adnotare de care aveți nevoie (evidențiați, desenați, text) din bara de instrumente, aplicați-vă marcajele și faceți clic pe „Adnotare PDF” pentru a salva și descărca.

Da, instrumentul nostru de adnotare este complet gratuit. Puteți adnota câte fișiere doriți fără costuri ascunse.

Da, odată ce aplicați adnotările și descărcați fișierul, toate evidențierile, desenele și comentariile sunt salvate permanent în PDF.

Absolut. Am prioritizat confidențialitatea dvs. Toate fișierele încărcate sunt criptate și șterse automat de pe serverele noastre definitiv după 2 ore.

Yes. Our PDF annotation tool is fully mobile-friendly. Open PDFFixNow in Safari (iPhone/iPad) or Chrome (Android), upload your PDF, and add highlights, drawings, sticky notes, and stamps using the touch interface — all from your phone or tablet without installing any app.

Yes. PDFFixNow lets you annotate PDF files online completely without Adobe Acrobat or any paid desktop software. Simply open the tool in your browser, upload your PDF, add your annotations, and download. The annotated file is fully compatible with Adobe Acrobat Reader and all other PDF viewers.

Our tool supports a full range of PDF annotation types: text highlights (yellow, green, blue, pink), underline, strikethrough, freehand pen drawing, sticky notes (pop-up comments), text boxes, shapes (rectangle, circle, line, arrow), and stamps (APPROVED, DRAFT, CONFIDENTIAL, FOR REVIEW). All annotation types are fully compatible with the PDF standard.

Password-protected PDFs must be unlocked before they can be annotated. Use our Unlock PDF tool to remove the password, then upload the unlocked file to the annotation tool to add your markups.

Yes. All annotations added by our tool are standard PDF annotations that comply with the PDF specification. They are fully visible and functional in Adobe Acrobat Reader, Foxit PDF Reader, Apple Preview, Google Chrome's built-in PDF viewer, and all other major PDF readers on any device.

No. There is no limit on the number of annotations you can add in a single session. You can add as many highlights, sticky notes, drawings, stamps, and shapes as you need across any number of pages in your PDF document.