Edit content15
Add text, watermarks, page numbers, headers, footers, or margins.
246 free PDF tools — merge, split, compress, convert, edit, secure. No upload limits, no signup.
246 free tools — merge, split, compress, convert, edit, sign, secure. Files stay on your device. No signup, no upload limits.
PDF (Portable Document Format) is a fixed-layout document standard originally developed by Adobe in 1993 and formalised as an ISO standard in 2008 (ISO 32000-1). The current specification is ISO 32000-2:2020. Every reader that claims to display PDFs correctly implements the same underlying document model — a directed graph of objects (pages, fonts, images, content streams) with a cross-reference table letting the reader jump directly to any object by ID. Understanding that model is the difference between fighting your PDF and understanding what any given operation actually does to it.
The PDF utility cluster is organised into four sections. Editing & Assembly covers merging, splitting, extracting pages, removing pages, rotating, adding page numbers, and reordering — all lossless operations that manipulate the page-level structure without re-encoding content. Convert To PDF handles input from Word, Excel, PowerPoint, images, CSV, code files, and other formats, producing PDF/A-compliant output where the format supports it. Convert From PDF extracts content back into editable formats (Word, Excel, text, CSV, images), which is inherently lossy because PDF is fixed-layout — output quality depends heavily on whether the source PDF was born-digital or scanned. Optimize & Secure covers compression, password protection, redaction, watermarking, and metadata cleanup.
Nearly every PDF tool on ScoutMyTool runs entirely in your browser using WebAssembly-compiled PDF libraries. Your files never leave your device, are never uploaded to a server, and are never stored in any log or database. This matters for legal documents (client-confidential exhibits), medical records (HIPAA-protected patient information), and financial statements (account numbers, tax documents). A small number of tools that require heavy server-side processing — OCR for scanned documents, some format conversions — are clearly labelled and use zero-retention processing that deletes source and output within seconds of your download.
For workflows requiring a full multi-function PDF editor rather than a single utility, our PDF Editor tool combines viewing, annotation, text editing, form filling, and signing in one browser-based interface. Use the individual utility tools for single-purpose jobs (merge, split, compress) — they are dramatically faster and simpler than opening a full editor for a one-step operation.
Reviewed by the ScoutMyTool editorial team. All PDF tools built on the ISO 32000-2:2020 standard using open-source libraries with independent audit trails.
The eight tools people use most.
Combine, split, rotate, extract, reorder, or delete pages.
Add text, watermarks, page numbers, headers, footers, or margins.
Make PDFs smaller for email, sharing, or storage.
PDF to Word, Excel, images, presentations, and more.
Documents, images, spreadsheets, code — turn anything into a PDF.
Make scanned PDFs searchable. Pull out text, images, or tables.
Fill forms, sign documents, flatten, or detect fields.
Password-protect, unlock, redact text, or strip metadata.
Look inside a PDF — page count, metadata, fonts, embedded files. Repair corrupt files.
Specialized PDF tools that don't fit the buckets above.