Test your HTML locally first
A quick way to troubleshoot PDF output: save the exact HTML you send to Api2Pdf as a file, open it in Chrome and use print preview.
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Troubleshooting
Fixes for errors, timeouts and rendering issues when converting HTML, URLs and Office files to PDF.
[resolved] 403 Forbidden error message in logs
A 403 in your logs on any-to-pdf, merge, password or bookmarks means your server refused Api2Pdf's download request. How to all...
[Resolved] PdfSharp – invalid entry in XRef table
The 'invalid entry in XRef table' error when merging PDFs with PdfSharpCore, what causes it in the source PDFs and the workarou...
[Resolved] Issue downloading PDF with Java
Java code that downloads the PDF returned by Api2Pdf and saves it locally without corrupting the file, using Apache HttpClient.
[Resolved] PDF is rendering blank or only partially with Headless Chrome
Blank or half-rendered PDFs usually mean javascript had not finished, assets were blocked, or lazy loading. The causes and the ...
[Solved] Bootstrap striped table not printing to PDF
Browsers drop background colors when printing. Add -webkit-print-color-adjust: exact so Bootstrap striped rows and other backgr...
[Solved] Troubleshooting rendering issues with HTML to PDF
A repeatable way to debug a PDF that does not look like your HTML: save the HTML, open it in Chrome, use print preview and the ...
[Resolved] Bad kerning with wkhtmltopdf rendering of html
wkhtmltopdf spaces letters incorrectly with some fonts such as Roboto. The font-format and engine choices that resolve the kern...
[Solved] Error – Couldn’t connect to server localhost
Api2Pdf runs in the cloud and cannot reach localhost. Send the HTML directly, or make the page reachable on a public URL, when ...
[Solved] Headless Chrome options ignoring landscape mode when printing to pdf
A page's own @page CSS size rule overrides the landscape option in Headless Chrome. How we found it and the preferCSSPageSize fix.
[Solved] Accessing a secure page with a URL endpoint
The URL-to-PDF endpoint cannot sign in to your app. Options: render the HTML server side and send it, or expose the page with a...
[Solved] Access denied | v2018.api2pdf.com used Cloudflare to restrict access
Getting 'Access denied | v2018.api2pdf.com used Cloudflare to restrict access'? Your HTTP client is missing a User-Agent header...
[Solved] Issue rendering UTF-8 or Unicode characters in HTML and PDFs
Accented and non-Latin characters show up as garbage in your PDF? Add the UTF-8 meta charset and encode the payload correctly. ...
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