All Your Digital TOOLS in One Place

Insert blank pages into any PDF document for duplex printing, booklet preparation, or note-taking using RiazHub's 100% client-side, privacy-first PDF utility tool....

Add digital signatures, handwritten e-signatures, and custom date stamps to PDF documents online for free. 100% client-side privacy guarantee on RiazHub.com. [add_signature_to_pdf]

Auto-extract, add, edit, and nest PDF bookmarks (Table of Contents outlines) up to 10 levels deep inside your browser. Complete privacy with...

Accelerate your developer experience with the Universal AI API Documentation Generator and Interactive Developer Portal on RiazHub.com. Synthesize strict OpenAPI 3.1.0 specifications...

The Universal AI Business Proposal Writer, Enterprise SOW Builder & Deal Closing Studio is a browser-based commercial agreement engine engineered for enterprise...

Compare two PDF files online for free directly in your browser. Perform visual pixel-by-pixel image diffing, side-by-side synchronized scrolling, Myers text content...

Repair broken, malformed, or unopenable PDF files online with 100% client-side privacy. Reconstruct byte streams, patch missing magic headers and trailer markers...

Convert static PDF documents or blank templates into interactive, editable AcroForm PDFs with text fields, checkboxes, dropdowns, stamps, and digital signatures entirely...

Transform raw CSV, TSV, or tabular spreadsheets into publication-ready PDF tables and documents instantly with RiazHub's free Browser-Based CSV to PDF Converter....

Convert Excel spreadsheets (XLSX, XLS, CSV) into publication-ready PDF documents directly inside your browser. Learn about 100% client-side privacy, multi-sheet batch exporting,...

Extract PDF Links is a free, 100% private, browser-based online utility by RiazHub that instantly scans PDF documents for embedded clickable hyperlinks,...

Extracting specific pages from large PDF documents shouldn't require installing bulky software or uploading sensitive files to unknown cloud servers. Quickly extract,...

An advanced, privacy-first browser utility to search, locate, and visually highlight text in PDF documents. Features exact phrase matching, wildcard RegEx pattern...

Create 100% government-compliant biometric passport, visa, and national ID photos directly inside your browser with RiazHub's Universal ID Photo Studio. Support official...

The Universal Image Redactor & Legal Document De-Identification Studio is a high-grade, client-side cybersecurity and privacy utility engineered specifically for attorneys, compliance...

Convert JPG, PNG, WebP, GIF & BMP images to PDF online for free. 100% client-side privacy, custom page sizes, 2x2 grid mode,...

Easily protect sensitive PDF documents with military-grade 256-bit AES encryption using the free online Browser-Based Lock PDF tool on RiazHub.com. Set custom...

Scanned PDF files, digitized invoices, and image documents are often saved as raw bitmap images, making it impossible to search text with...

Create official international passport and visa photos at home with 100% in-browser privacy. Auto-align face guides with ICAO 9303 standards (70%–80% head...

The Universal Passport Photo Resizer & Government Visa Dimension Studio is a high-precision, client-side digital imaging utility engineered to convert standard smartphone...

Reduce PDF file size online without losing quality. RiazHub's free client-side PDF compressor features batch multi-file compression, B&W mode, and PDF merging...

Extract embedded TrueType (.ttf), OpenType (.otf), and PostScript font files directly from your PDF documents using 100% browser-based client-side processing. Inspect typography...

The RiazHub Browser-Based PDF Grammar, Spell Checker & Writing Style Auditor is a privacy-first digital utility designed to analyze manuscripts, academic papers,...

Discover RiazHub's free, 100% client-side Browser PDF Highlight & Annotation Studio. Easily highlight digital PDF text, draw freehand vector markups, place sticky...

A comprehensive, step-by-step technical guide explaining how to extract original embedded photos, vector illustrations, graphics, and full page renders from PDF documents...

Audit PDF document languages, code-switching passages, and script distributions 100% in-browser with zero file uploads. Learn how client-side Natural Language Processing (NLP),...

Combine multiple PDF documents into one single file effortlessly with RiazHub's free online PDF Merger. Privacy-first, zero server uploads, drag-and-drop reordering, and...

Whenever you export a PDF document from Word, Google Docs, or Adobe Acrobat, hidden tracking metadata is silently embedded into the file....

The PDF Page Numbering & Pagination Customizer by RiazHub is a powerful, professional digital utility designed to simplify PDF document formatting, page numbering, and...

To inspect exact PDF page dimensions, verify ISO A4 vs US Letter paper standards, detect mixed page sizes, and analyze PDF MediaBox,...