How to Edit PDF Free — The Complete Guide to Adding Text, Deleting Content, Drawing, and More

Need to fix a typo in existing text? Replace a date or price? Add a paragraph? Draw an arrow pointing to something? Insert your company logo? Most people think you need expensive software like Adobe Acrobat ($240/year) to do this.

You don't. This guide shows you how to do every type of PDF edit for free — directly in your browser, without uploading your file to any server.

What Can You Actually Edit in a PDF?

Our free editor includes 13 tools, 3 text formatting options, and full zoom / undo / page navigation support. Here's everything you can do:

Edit Existing Text — Click Any Word, Type to Replace It

This is the headline feature for the most common real edit: fix a typo, change a date, update a price, swap a name on a template. The editor reads the original font, size, weight, italic flag and ink colour straight from the PDF, then your replacement text takes on the same look automatically. Pixel-matched — visually indistinguishable from the original.

Two flows ship for two preferences. Both share the same auto-matching engine:

Mode 1: Edit Text (in place — feels like Word)

1. Open your PDF — 📝 Edit Text mode is active by default.
2. Hover the document — every editable word lights up with a subtle indigo highlight.
3. Click the word you want to change. That word becomes editable right where it is. The font, weight, italic and colour are already matched.
4. Type the replacement. Press Enter to save it. Press Esc to cancel.
5. Click another word and the previous edit commits automatically. Keep going. Hit Save when finished.

Mode 2: Replace Text (classic popup editor)

If you prefer to preview the edit in a focused popup before committing, switch to the 🔤 Replace Text button next to Edit Text. Click any word, a small editor opens pre-filled with the original text in the matched style, type your change, click ✓ Add. Same engine, different UI — useful on small screens or when you want a clear "before / after" view.

Step 1: Add Text to Your PDF

For brand-new content (callouts, fresh paragraphs, captions), add a new text box from scratch. Here's exactly how:

1. Open the PDF Editor and drop your PDF file into the upload zone.
2. Press T on your keyboard (or click the 📝 Text button in the toolbar).
3. Click anywhere on the PDF where you want the text to appear. An inline text box opens right at that spot.
4. Type your text. Press Shift+Enter for a new line.
5. Press Enter to confirm (or click the ✓ Add button).

Formatting Your Text

Before placing text, you can set:

Editing Text You Already Placed

Made a typo? No need to delete and retype. Double-click any text annotation to reopen it for editing. Change the text, font size, color, or bold/italic/underline — then press Enter to save.

Step 2: Delete or Erase Existing Content

This is where most free PDF editors fail. They let you add content but not remove it. Our editor gives you three ways to delete:

Method A: White-Out (Best for Blocks of Text)

Use this when you need to erase a paragraph, a section, or a large area.

1. Press W (or click ⬜ White-Out).
2. Click and drag to draw a white rectangle over the content you want to remove.
3. The content underneath is covered by a solid white box.
4. When you save, this white box is permanently burned into the PDF — the original content is gone.

Method B: Eraser Brush (Best for Individual Words)

Use this when you need to erase a single word or a small piece of text — more precise than white-out.

1. Press E (or click 🧹 Eraser).
2. An Eraser size slider appears in the toolbar (5px to 80px). Set the size to match what you're erasing.
3. Paint over the text you want to remove — just like using an eraser on paper.
4. The eraser paints white over the content, following your brush stroke.

Method C: Delete Your Own Annotations

Need to remove something you added (text, shape, image)? Three ways:

• Right-click the annotation — instantly deleted.
• Select it (press V, click it) → press Delete key.
• Select it → click the 🗑 Delete button in the toolbar.

Made a mistake? Press Ctrl+Z to undo. Ctrl+Y to redo. You get up to 50 undo levels.

Step 3: Draw Shapes and Annotations

Shapes are essential for marking up documents — circling important sections, drawing arrows to highlight changes, or adding boxes around key information.

Every shape respects your current color, stroke width (1-20px), and opacity settings. Set these in the toolbar before drawing.

Step 4: Insert Images, Logos, and Stamps

Need to add your company logo? A "DRAFT" stamp? A photo? Here's how:

1. Press I (or click 🖼️ Image).
2. Choose an image file (JPG, PNG, WebP, etc.).
3. Click on the PDF where you want it. The image is placed and auto-selected.
4. Drag the corner handles to resize the image to the perfect size.
5. Drag the center to reposition it.

Step 5: Highlight Important Sections

Press H and drag over any area to highlight it with a semi-transparent color overlay. This is perfect for:

• Marking important clauses in contracts
• Highlighting key data in reports
• Color-coding different sections for review

Change the color and opacity before highlighting. The default is 30% opacity — visible but not overpowering.

Moving, Resizing, and Repositioning

Everything you add can be moved and adjusted after placement:

When you hover over an annotation in Select mode, it shows a dashed purple border and the cursor changes to a grab hand — so you always know what you're about to select.

Zoom for Precision Editing

The zoom bar lets you zoom in for pixel-perfect edits:

• + / − buttons zoom in 25% increments
• Fit button auto-zooms to fit the page width
• Zoom range: 50% to 400%

Zoom in to 200-300% when aligning text with existing content or making fine corrections. Zoom out to see the full page when adding large elements.

Complete Keyboard Shortcuts Reference

Saving Your Edited PDF

When you're done editing:

1. Click 💾 Save Edited PDF at the bottom.
2. The editor renders all your annotations at 2x resolution for maximum quality.
3. A progress bar shows the rendering status for each page.
4. Your edited PDF downloads automatically.

All edits are permanently embedded in the PDF. The original text you white-outed is gone. Shapes, text, and images are burned into the pages. The recipient sees a clean document — not editable annotations.

Privacy: Your Files Never Leave Your Computer

Unlike SmallPDF, iLovePDF, and every other online PDF editor, AllPDF.tools processes everything in your browser. Your PDF is never uploaded to any server. This means:

• No data breaches — your file never touches the internet
• Works offline — once loaded, you don't need an internet connection
• No file size limits — it's your computer doing the processing
• GDPR compliant by design — no data to protect if no data is collected

This matters especially when editing contracts, medical records, financial documents, legal papers, or any file with personal information.

Other Edits — Pick the Right Tool

The Edit PDF tool covers in-place text editing, annotations, drawings, images and shapes. For workflows that fit a different tool better, here's where to go:

Frequently Asked Questions

Is it really free? No hidden limits?

Yes. No daily limits, no file size caps, no watermarks on output, no account required. We're free because your browser does all the processing — we don't pay for servers.

Can I edit a scanned PDF?

Yes — two ways. Drop the scan into the editor and the tool detects it automatically, surfacing an amber banner with two one-click routes:

• 🔍 Run OCR first: opens the OCR tool which adds a real text layer to your scan. After OCR, click-to-edit works exactly as it does on a native PDF — auto-matched fonts and all.
• ⬜ Switch to White-Out: the manual workflow. Drag a white box over the area you want to change, then place new text on top with Add Text. No OCR step needed; works on every scan including handwriting and unusual layouts.

Pick the path that fits the document — the editor never leaves you guessing.

Will the edited PDF look the same on someone else's computer?

Yes. When you save, all edits are rendered as images embedded in the PDF. This means your edits appear identically on every device and PDF reader — no font compatibility issues.

Can I edit the same PDF multiple times?

Yes. Open the previously saved PDF, add more edits, and save again. Each save creates a new file — the original is never modified.

Does it work on my phone?

Yes. The editor supports touch input — draw with your finger, tap to place text, pinch to zoom. All tools work on mobile.