How to Fix Headers Not Showing in Wicked PDF
A missing Wicked PDF header can come from render options, page spacing, template assets, JavaScript, or the converter build. Follow these checks in order.
How to Print Password-Protected Pages to PDF With wkhtmltopdf Cookies
Use wkhtmltopdf cookies, cookie jars, or HTTP authentication to render protected pages, then diagnose redirects, timing, and login-flow limits.
How to Remove the Table of Contents from wkhtmltopdf’s Table of Contents
Remove wkhtmltopdf’s printed TOC by omitting the toc object, or disable PDF bookmarks separately with --no-outline.
How to Print Only the Last Pages of a Large HTML Document with Puppeteer
Learn how to print only the final pages of a large HTML document with Puppeteer, including page counting, print CSS, ranges, memory, errors, and alternatives.
How to Fix Misplaced Footers When Hiding Headers on the First Puppeteer PDF Page
A first-page header rule can interact with print CSS and Puppeteer PDF margins. Trace the layout systematically and verify each change against your Puppeteer and Chromium versions.
How to Set PDF Title, Author, Subject, and Keywords with wkhtmltopdf
wkhtmltopdf can set a PDF title natively, but author, subject, and keywords need post-processing. Here’s a runnable workflow and ways to verify the result.
How to Generate PDFs with WkHtmlToXSharp in C#
Generate HTML-to-PDF files in C# with WkHtmlToXSharp: package setup, native binaries, page options, complete code, troubleshooting, and a hosted alternative.
How to Use UTF-8 Fonts in PDFKit for Rails PDFs
Fix missing accents, squares, and non-Latin text in Rails PDFKit by checking encoding, glyph coverage, and wkhtmltopdf asset access.
How to Read PDF Binary Data and Send It in an HTTP Response
Return PDFs correctly from Flask, Express, or NestJS with binary-safe code, browser headers, streaming guidance, security checks, and troubleshooting.
How to Read a PDF with Puppeteer and Display It in HTML
Puppeteer creates PDFs from web pages; PDF.js renders existing PDFs in HTML. Learn which tool fits, how to wire up both workflows, and how to troubleshoot them.
How to Align HTML Pages to Paper Size for wkhtmltopdf
Set wkhtmltopdf page size, orientation, margins, and CSS safely for PDFs that match A4, Letter, Legal, or custom paper.
How to Emulate Screen Media When Printing PDFs in Headless Chrome
Headless Chrome uses print CSS when generating PDFs. Emulate screen media before calling PDF, then configure colors, page geometry, and pagination.
How to Ensure Images Load Before Generating a PDF
Wait for every required image to load and decode before PDF generation, including lazy content, failures, fonts, and print CSS.
How to Render JavaScript Before Generating PDFs with wkhtmltopdf
wkhtmltopdf enables JavaScript by default, but its default 200 ms wait is often too short. Learn when to use a delay, a page readiness signal, or another renderer.
What Is the Debian Equivalent of urw-fonts for UTF-8 wkhtmltopdf PDFs?
Install Debian’s fonts-urw-base35 for URW Base 35 fonts. Learn why UTF-8 alone cannot fix missing glyphs in wkhtmltopdf PDFs and how to diagnose font coverage.
How to Generate Landscape PDFs With Mikehaertl WkHtmlToPdf
Configure wkhtmltopdf for landscape PDFs in PHP, with page options, margins, troubleshooting, performance guidance, and a browser-free API alternative.
How to Set PDF Page Margins with Snappy in Symfony2
Configure wkhtmltopdf margins through KnpSnappyBundle in Symfony2, with complete YAML, PHP, troubleshooting, and production guidance.
How to Wait for Very Large PDFs to Finish Loading in Puppeteer
Puppeteer has no universal signal that a large PDF is fully rendered. Choose a wait based on whether you’re opening a PDF, loading a page, or using an embedded viewer.