Guides
How-To Guides for Common Document Tasks
These guides explain what DocuKit actually does to a file, how each setting changes the result, and what to check before using the download. They are maintained alongside the tools rather than written as generic conversion advice.
How to Merge PDF Files Online
Learn how to merge PDF files online step by step, when to combine documents, and how to keep PDF page order correct.
7 min read · Updated 2026-09-07
How to Split, Extract, Group, or Chunk PDF Pages
Learn how to separate every PDF page, extract a selection, build custom groups, or divide a document into fixed-size chunks.
8 min read · Updated 2026-09-08
How to Compress a PDF and Choose the Right Quality
Understand DocuKit's text-preserving and image-based PDF compression profiles, measured results, and quality tradeoffs.
8 min read · Updated 2026-09-07
How to Convert JPG to PDF Online
Learn how to convert JPG images to PDF online, when to use PDF for photos or scans, and how to choose page size and fit settings.
7 min read · Updated 2026-09-04
How to Convert PDF to PNG Online
Learn how to convert PDF pages to PNG online, when PNG is better than JPG, and how to export pages for presentations or design work.
7 min read · Updated 2026-09-07
How to Convert Word to PDF Online
Learn how to convert Word documents to PDF online, why PDF is better for sharing, and what formatting limits to watch for.
8 min read · Updated 2026-09-04
How to Add a Clear Text Watermark to a PDF
Learn how to preview and target a PDF watermark while choosing useful text, font, color, opacity, size, placement, and repetition.
8 min read · Updated 2026-09-08
How to Reorder PDF Pages Without Losing Track
Learn a reliable way to rearrange PDF pages with original-page labels, exact sequences, batch moves, scan presets, undo, and a final structure check.
7 min read · Updated 2026-09-08
How to Redact a PDF Without Leaving Hidden Information
Learn why black boxes are not enough, how flattened redaction works, what hidden PDF structures matter, and how to verify a redacted sharing copy.
10 min read · Updated 2026-09-10
How to Compare PDF Versions Without Missing Page Changes
Learn how to match PDF pages, inspect visual and selectable-text differences, handle inserted or moved pages, and verify an exported comparison report.
8 min read · Updated 2026-09-10
How to Fill and Sign a PDF Safely in Your Browser
Learn how to complete standard or flat PDF forms, add a visual electronic signature, preserve or flatten fields, and verify the downloaded document.
9 min read · Updated 2026-09-10
How to OCR a Scanned PDF and Review the Text
Learn how to prepare scanned pages, choose OCR languages, review confidence, make a PDF searchable, and verify tables, invoice fields, and accessibility requirements.
9 min read · Updated 2026-09-10
How to Rotate PDF Pages and Fix Mixed Orientation
Learn how to rotate every PDF page or correct individual sideways pages while preserving the original page content and checking the final orientation.
7 min read · Updated 2026-09-10
How to Delete PDF Pages Without Removing the Wrong Content
Remove unwanted PDF pages with thumbnails, validated page ranges, selection presets, undo, and a final page-count check.
7 min read · Updated 2026-09-10
How to Add Page Numbers to a PDF and Keep Them Readable
Add page numbers to a PDF with page scope, starting-number, format, position, margin, font, color, and opacity controls.
8 min read · Updated 2026-09-10
How to Convert Images to JPG, PNG, or WebP
Choose the right image format, quality, background, and metadata settings when converting JPG, PNG, WebP, or AVIF files.
8 min read · Updated 2026-09-10
How to Compress Images Without Guessing at Quality
Reduce image file size with measured results, quality and dimension controls, target sizes, sensible formats, and visual checks.
8 min read · Updated 2026-09-10
How to Resize and Crop Images for Social Media and the Web
Use aspect ratios, crop focus, popular size presets, exact dimensions, and output formats without stretching important content.
8 min read · Updated 2026-09-10
How to Turn Plain Text into a Readable PDF
Format plain text as a clean PDF with page size, margins, typography, headers, footers, and selectable text.
7 min read · Updated 2026-09-10
How to Convert Markdown to a Compact, Professional PDF
Create a compact PDF from Markdown with headings, lists, tables, links, code blocks, page settings, and selectable text.
9 min read · Updated 2026-09-10
How to Create and Test a QR Code Before Publishing
Build QR codes for websites, text, email, phone, SMS, Wi-Fi, and contacts, then verify payload, contrast, error correction, and print size.
9 min read · Updated 2026-09-10