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GigAI Tools
10 tools

Tools for Teachers

Build handouts, mark up documents and share resources with a scan.

10 tools, hand-picked

Everything this workflow needs, in one place.

Popular

Merge PDF

Combine multiple PDF files into a single document, drag to set the order, then download. Free, fast and entirely in your browser.

PDF Studio
Popular

Compress PDF

Shrink a PDF's file size right in your browser. Pick a compression level, see exactly how much you saved, and download. No uploads, no watermark.

PDF Studio

Watermark PDF

Stamp a text or image watermark across every page of a PDF: set the opacity, angle and size, tile it or centre it, and preview the result before you export. 100% in your browser, nothing uploaded.

PDF Studio

Add Page Numbers to PDF

Stamp page numbers onto a PDF in your browser. Pick the corner, choose a bare number or a 'Page X of Y' label, set the start number, font size and margin, and skip a cover page. Real selectable text, nothing uploaded.

PDF Studio

Excel to PDF

Convert an Excel spreadsheet (.xlsx, .xls, .ods) to a clean, printable PDF in your browser. Pick the sheet, choose portrait or landscape and A4 or Letter, then download a bordered table PDF. Nothing is uploaded.

PDF Studio

Markdown to PDF

Write or paste Markdown and export a clean, printable PDF in your browser. Live GitHub-flavoured preview with headings, tables, code blocks and task lists, page size, margins and theme included. Nothing is uploaded.

PDF Studio

QR Code Generator

Design branded, high-resolution QR codes in your browser, custom dot & eye shapes, color gradients, a centre logo and real-time scan checks. Encode URLs, Wi-Fi, vCards, UPI and 24 more, then export PNG, SVG, PDF or EPS. Nothing is uploaded.

QR Studio

Protect PDF

Add a password and AES encryption to any PDF so only people with the password can open it. Free, fast and completely in your browser.

PDF Studio

JPG to PDF

Convert JPG, PNG and other images into a single PDF: reorder them, pick a page size, then download. Free, fast and fully in your browser.

PDF Studio

Sign PDF

Sign a PDF online for free. Draw your signature, type your name in a handwritten font, or upload a signature image, then drag it onto the page, resize it and download a signed PDF. 100% in your browser. Nothing is uploaded.

PDF Studio

Frequently asked questions

Get started with Merge PDF

Free, private and instant: everything runs in your browser.