Free Online PDF Tools

PDF Merge

Combine multiple PDF files into one with drag-to-reorder, thumbnail previews, and page range selection from each file

PDF Compress

Reduce PDF file size with 3 quality presets for web, print, and archive with size estimate preview and DPI control

PDF Split

Split PDF files with a visual page picker, split by range, every N pages, or extract specific pages with thumbnail previews

PDF to Image

Convert PDF pages to high-quality JPG, PNG, or WebP images with page range selection, DPI control, and batch ZIP download

PDF Sign

Add signatures to PDFs by drawing, typing, or uploading an image with live drag-and-drop placement and date stamps

PDF Unlock

Remove password protection from PDFs with auto-detection of encrypted files and clear wrong-password feedback

PDF Protect

Password-protect your PDFs with separate owner and user passwords, permission flags for print, copy, and edit

PDF Rotate

Rotate individual pages or all pages in a PDF with thumbnail grid preview and horizontal/vertical flip options

PDF Watermark

Add text or image watermarks to PDFs with diagonal, horizontal, or vertical placement, opacity, and page range controls

PDF OCR

Extract text from scanned PDFs using Tesseract.js OCR with language auto-detect and searchable PDF export

PDF Crop

Crop PDF pages with a visual drag-to-crop editor, apply to individual pages or entire document with live preview

PDF Form Filler

Auto-detect and fill interactive PDF form fields with tab navigation, field type indicators, and export

PDF Redact

Permanently black out sensitive content in PDFs with keyword search, draw redaction boxes, and permanent burn-in

PDF Page Numbers

Add page numbers to PDFs with 9 position options, custom formats like 'Page X of Y', font control, and skip options

PDF Repair

Fix corrupted PDF files with detailed issue detection, page recovery reporting, and automatic repair attempts

PDF Compare

Compare two PDFs side-by-side with synchronized scrolling, pixel diff overlay, text diff mode, and change summary

PDF Highlight

Highlight text in PDFs with 5 colors, add sticky note annotations, plus underline and strikethrough tools

PDF Annotate

Full annotation suite for PDFs with freehand drawing, arrows, rectangles, circles, and text boxes all in one tool

PDF Image Inserter

Insert images into PDF pages with drag-to-position placement, resize and rotate controls, and layer ordering

PDF Image Extractor

Extract all embedded images from any PDF with thumbnail previews, selective download, and batch ZIP export

PDF to Markdown

Convert PDF text content to clean Markdown with headings, lists, tables, and code block detection

PDF Resize

Change PDF page dimensions with preset sizes like A4, Letter, A3, Legal, or custom dimensions with content scaling

PDF Header/Footer

Add custom headers and footers with 6 text zones, smart tokens for page number, date, and title, with live preview

PDF Metadata

View and edit PDF document properties including title, author, subject, keywords, creator, and creation date

PDF Bookmarks

Manage PDF outline and bookmarks with a visual tree editor to add, remove, reorder, and set destination pages

PDF Dark Mode Converter

Convert PDFs to a dark color scheme by inverting backgrounds while preserving images for comfortable reading

PDF Flatten

Flatten all annotations and form fields in a PDF to make them permanent, ideal for sharing finalized documents

Image to PDF

Convert JPG and PNG images into a single PDF with drag-to-reorder, thumbnail previews, and instant download

PDF Stamp & Certify

Apply official stamps to PDFs — Approved, Confidential, Draft, Reviewed, and more — with custom positioning