7 Best Free PDF Tools in 2026 (No Signup, No Watermark)

Reduce the file size of any PDF using Ghostscript — the same open-source compression engine that Adobe and professional print shops rely on. Unlike tools that use a simple online library with limited compression modes, Ghostscript applies multi-pass image downsampling, font subsetting, content stream compression, and metadata stripping in a single pass.

Why it's the best free compressor: Most free tools top out at a 40–50% reduction. PDFTash regularly achieves 60–94% compression on image-heavy and scanned documents. Text in the output remains fully selectable and searchable. No watermark. Free for files up to 10 MB, Pro for up to 200 MB.

Combine multiple PDF files into a single document with full control over page order. Drag and drop to reorder files before merging — which is essential when combining chapters, reports, or supporting documents that need to appear in a specific sequence.

The merger handles PDFs with mixed orientations (portrait and landscape pages in the same document), password-protected PDFs (if you supply the password), and large files without hitting server-side memory limits that trip up many online tools.

Best for: Combining multiple invoices into one file for accounting; assembling a portfolio from separate project PDFs; merging a scanned signed page back into a contract; joining a cover letter and CV into one attachment for job applications.

Translate any PDF document into 12+ languages using AI — not a rule-based machine translation engine, but a large language model that understands context, preserves paragraph structure, and produces natural-sounding output. Supported languages include Bengali, Hindi, Arabic, Spanish, French, German, Chinese (Simplified), Japanese, Portuguese, Russian, Italian, and Korean.

Unlike pasting text into Google Translate, this tool processes the entire document as a unit. The AI understands that a numbered list should remain a numbered list in the translated output, that heading text should remain concise, and that paragraph breaks are meaningful structural cues rather than formatting accidents.

Output options: Download the translation as a plain TXT file (lightweight, ideal for sharing) or as a formatted PDF with a cover page, using Unicode-complete fonts (Noto Sans family) for correct rendering of non-Latin scripts including Bengali, Hindi, Arabic, Chinese, and Japanese.

Extract specific pages from a PDF or split a document into multiple files by page range. The tool gives you two modes:

• Extract pages: Select individual pages or a range (e.g., pages 3, 7, and 12–15) and download them as a new PDF. Useful for pulling out a specific section, a signed page, or a set of exhibits from a larger document.
• Split by range: Define multiple output files with their own page ranges (e.g., pages 1–10 as File A, pages 11–25 as File B) and download them all at once as a ZIP archive. Useful for splitting a combined report into individual chapters.

Best for: Extracting a single invoice from a bank statement PDF; splitting a 200-page course textbook into weekly reading sections; removing the first few blank pages from a scanned document before sharing it.

Add a legally valid electronic signature to any PDF document — no printing, scanning, or faxing required. The tool offers three signature methods:

• Draw: Use your mouse or finger (on touchscreen) to draw your signature directly on the document. This produces the most natural-looking result.
• Type: Enter your name and choose from several handwriting-style fonts. Good for quick signatures when you're on a keyboard.
• Upload: Upload an image of your existing signature (PNG with transparent background works best) to place it on the document.

Electronic signatures created this way are legally recognised in most jurisdictions for everyday commercial documents under e-signature laws (eIDAS in the EU, ESIGN/UETA in the US). For documents requiring a qualified electronic signature (QES) with identity verification — such as some government filings or notarised documents — a dedicated legal e-signature service is required.

Upload a PDF and ask it questions in plain language. The AI reads the full document content and answers your questions with citations — telling you which section of the document it's drawing from. This is fundamentally different from reading a document yourself: instead of scanning 80 pages for a specific clause or figure, you ask "What is the termination notice period?" and get the answer in seconds.

What you can ask:

• "Summarise this document in 5 bullet points."
• "What are the payment terms in section 4?"
• "List all the dates and deadlines mentioned."
• "Does this contract include a non-compete clause?"
• "What is the total amount owed on this invoice?"

Free users get one full chat session per day. Pro users get unlimited sessions and can chat with PDFs up to 500 pages. Works with research papers, legal contracts, financial reports, instruction manuals, and any other text-based PDF.

Generate a professional, formatted PDF document from a text prompt. Describe what you need and the AI writes the content and formats it as a downloadable PDF. This is the fastest way to create structured documents when you know what you want to say but don't want to spend time in a word processor.

Examples of what you can generate:

• A freelance invoice with your name, client, line items, and total.
• A one-page business proposal for a specific project or service.
• A rental agreement with standard clauses for a specific country.
• A formal letter of complaint, application, or notice.
• A meeting agenda or project brief.

Free users can generate 3 documents per day. The output is a clean, formatted PDF — no watermark, no "generated by AI" footer visible to the recipient. Pro users get unlimited generation and access to premium templates with logos and custom branding.