Add visual annotations like highlights, underlines, strikeouts, and shapes to your PDF pages. Perfect for reviewing documents, marking up text, and adding visual emphasis. Documents stay on your device — editing and conversion run locally in your browser.
Runs on pdf-lib
Content reviewed October 2026 · About Toolzum
Insert images (PNG, JPG) onto any page of your PDF document. Position and resize images anywhere on the page. Perfect for adding signatures, logos, or photos to documents.
Add text, highlights, drawings, shapes, notes, signatures, and images to any PDF. Rotate, duplicate, and OCR pages (8 languages), or use one-click AI to summarize, fix, or translate. Editing runs 100% locally. AI actions are optional and cost credits, shown on each button before you click. Free, no watermark — no signup needed to start, unlimited saves.
Add a Table of Contents to your PDF documents. Organize pages with titled sections, create nested hierarchies, and navigate large documents with ease. Perfect for reports, ebooks, and manuals.
YouTube thumbnails in your browser: opens with a centered 16:9 frame, add bold text and shapes, tune contrast for small-size pop, export JPG. Free, no signup, nothing uploads.
Convert OpenDocument (ODT) and Rich Text Format (RTF) files to PDF. Preserves basic formatting like bold, italic, headers, and paragraphs. Perfect for LibreOffice and WordPad users.
Highlights for key lines, underlines for definitions, strikeouts for deletions under review.
Yes — annotations save into the exported PDF, visible in any reader.
Arrows, boxes, and callouts point at exactly the clause under discussion.
No — annotation runs locally in your browser; unlimited saves on local tools.
eSign PDF
Sign PDFs electronically — draw, type, or upload signature images onto any page. Execute a 5-page agreement without printing — local pdf-lib + canvas, unlimited saves.
PDF Form Filler
Fill any PDF form digitally — text fields, checkboxes, dropdowns, signatures. Complete government forms without print-scan cycles — local pdf-lib, unlimited saves.