UD5 Toolkit
Image Sharpening Tool – Unsharp Mask Effect Online
Enhance edge definition with a simple sharpening filter. Adjust the strength to improve clarity without introducing significant noise.
Upload Your PDF
Drag & drop a PDF file here, or click to browse
Max file size: 100 MB
Frequently Asked Questions
Upload your PDF file, choose the position (top/bottom, left/center/right), select your preferred number format, and click "Add Page Numbers." The tool processes everything directly in your browser — no uploads to any server. Download the numbered PDF instantly.
Yes! Use the "Page Range" option to select all pages, define a custom range (e.g., pages 3–15), or skip the first N pages (useful for skipping cover pages or table of contents). You can also choose a custom starting number.
We support standard Arabic numerals (1, 2, 3…), uppercase Roman numerals (I, II, III…), and lowercase Roman numerals (i, ii, iii…). You can also add custom prefixes (like "Page ") and suffixes (like " of 10") to create exactly the numbering style you need.
Absolutely! This page number adder is 100% free with no hidden costs, no registration required, and no watermarks added to your PDF. There are no limits on how many PDFs you can process or how many pages they contain.
Yes, your privacy is fully protected. All processing happens locally in your browser using client-side JavaScript. Your PDF file never leaves your device — it is not uploaded to any server. This ensures complete confidentiality, making it safe even for sensitive or confidential documents.
Yes. You can adjust the font size from 6pt to 36pt and choose any color using the built-in color picker. The live preview updates to show you exactly how the page numbers will appear on your document before you process it.
Yes! The tool is fully responsive and works on smartphones and tablets. You can upload a PDF from your device, adjust all settings, preview the result, and download the numbered PDF — all from your mobile browser. No app installation required.
We recommend files up to 100 MB for optimal performance. Since processing happens in your browser, very large files may take longer depending on your device's memory and processing power. Most typical PDF documents process in just a few seconds.
Visual Fraction Adder – Online Slice & Combine Pies
Drag pie slices to represent fractions and see them added together. Great for visual learners.
PDF Text Cleaner – Online Fix Broken Lines & Hyphens
Paste text copied from a PDF and remove unwanted line breaks, hyphenation, and extra spaces.
Markdown to PDF Converter - Online Export Clean Documents
Write Markdown and instantly print/save as a styled PDF. Choose from multiple themes. Uses browser print function for high-quality output. Local only.
PDF Text Extractor - Online Copy Text from PDF Without Upload
Extract plain text from a PDF file entirely in the browser using PDF.js. No file upload to server. Supports multi-page extraction and search.
Online PDF Page Counter - Instant Document Inspector
Check how many pages a PDF has without uploading it (uses FileReader). Also shows file size and title if available. Simple and fast client-side tool.
Free Invoice Template Filler - Online Create & Print PDF
Fill a professional invoice template with your details, items, and totals. Instantly preview and download as PDF or print. No signup, local only.
PDF Script Inspector - Online See Embedded JavaScript
Drop a PDF and extract any embedded JavaScript or form actions. Check for malicious code. Privacy‑friendly analysis.
PDF Page Rotator - Online Fix Upside‑Down Pages
Select which pages to rotate left or right. Save the corrected PDF immediately. All local manipulation.
PDF Compressor - Online Reduce File Size Locally
Shrink a PDF file size with configurable image quality and object removal. All processing stays in your browser.
PDF Text Extractor - Online Copy All Text Locally
Drop a PDF and extract the full text content. Processed locally using PDF.js. No upload. Fast and private.
Webpage to PDF Printer - Online Save as Document
Enter a URL and instantly generate a PDF version using the browser's print-to-pdf engine. Private, no upload.
PDF to Image Converter - Online JPG/PNG Export Per Page
Convert each page of a PDF into a separate image. Choose format and resolution. Rendered locally with PDF.js.
PDF Page Reorder - Online Drag & Drop Sort
Rearrange PDF pages by dragging thumbnails. Delete unwanted pages. Merge the result. Private, local processing.
PDF Signature Drawer - Online Add Handwritten Sign
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
Markdown to PDF Converter - Online Clean Export
Write in Markdown and convert it to a styled PDF using your browser's print engine. Customize font and margins. No upload.
PDF Table Extractor - Online Copy Tables to CSV
Drop a PDF and automatically detect tables. Export them to CSV or copy to clipboard. Works locally using PDF.js.
PDF Word Counter - Online Extract & Count
Drop a PDF and count the total words, characters, and pages. Text extraction is done locally. Privacy‑friendly.
Images to PDF Merging - Online Combine & Order
Combine JPGs and PNGs into a single PDF. Drag to reorder pages. All processing happens locally; your files never leave your device.
PDF Metadata Viewer - Online Read Author, Title & Keywords
Drop a PDF and see its embedded metadata: author, title, creation date, and more. No content is uploaded; pure browser PDF parsing.
Images to PDF Merger - Online Combine JPG/PNG into One
Select multiple images, arrange their order, and merge them into a single PDF document. Works offline in your browser.
HTML Fragment to PDF - Online Print Custom Section
Write or paste an HTML snippet and generate a PDF using the browser's print engine. Customize page size and margins.
Text to Ordered List - Online Automatic Numbering HTML
Paste lines of text and automatically convert to an HTML ordered list with correct numbering and indentation.
Roman Numeral Arithmetic - Online Add & Subtract
Enter two Roman numerals and add or subtract them. See the result in Roman and Arabic. A fun mental workout.
Timesheet PDF Generator - Online Fillable Work Log
Fill in daily work hours and tasks, and generate a printable PDF timesheet. Clean, professional layout. Local.
PDF Text Extractor - Online Copy Text from PDF Locally
Extract selectable text from a PDF using the browser's built‑in PDF rendering. Copy or download as TXT. No upload, fully private.
Webpage to PDF - Online Print & Save as Document
Enter a URL and instantly generate a PDF version using the browser's print-to-pdf engine. Private, no upload.
Fraction Calculator - Online Add Subtract Multiply Divide
Perform arithmetic on fractions and get simplified results. Handles mixed numbers and improper fractions. Step-by-step display. Educational and precise.
PDF Merger - Online Combine Multiple PDFs into One
Combine multiple PDF files into a single document. Drag and drop to reorder pages. All merging is done locally for confidentiality.
PDF Page Extractor - Online Split & Extract Pages Locally
Extract specific pages or split a PDF document into multiple files. Works entirely in the browser; your documents never leave your computer.