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Guides, tutorials, and insights on PDF generation, document automation, and integrating PodPDF into your workflows.
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How to Password Protect a PDF, and Unlock One Again
Add a password to a PDF, stop it being printed or copied, and remove the password from a file you hold the password for. In the dashboard or with one API call.
Use Your Own HTML as a PDF Template (Beta)
Already have your invoice, statement or certificate as HTML? Paste it into a PodPDF HTML template, put a tag where each value goes, and generate PDFs by sending JSON. With loops, conditions, a live preview and the same API as every other template.
Send PDF Invoices and Receipts on WhatsApp with PodPDF and WhatsAble
Generate a PDF with PodPDF and deliver it to your customer on WhatsApp with WhatsAble, all in one Zap. Invoices, receipts, quotes, booking confirmations and tickets, sent where your customers actually read them.
Mail Merge with PDF Attachments: Email Every Row of a Spreadsheet Its Own PDF
Send each customer, student or employee a personalised invoice, statement, certificate or letter as a PDF attachment, from your own mailbox. Pick a template, upload a spreadsheet, write the email, and send.
Generate Account Statements and Utility Bills as PDF
Create customer account statements and utility-style bills with usage, charges, tax, balance due and a barcoded payment slip, from JSON via API.
Barcode Label PDF API: EAN-13, Asset and Address Labels
Generate printable barcode labels from JSON: EAN-13 price tags, Code 128 asset tags with QR codes, and 4 × 2 in address labels for label printers.
Mail Merge Letters and Envelopes to PDF with an API
Generate personalised business letters on your letterhead and matching DL envelopes as PDFs from JSON: a mail merge you can run from code or a spreadsheet.
Event Ticket PDFs with QR Codes: Invitations and Vouchers
Create PDF event tickets with scannable QR codes, printable invitations with RSVP links, gift vouchers and name badges from your booking data via API.
Payslip PDF Generator API: Payslips, Offers and ID Cards
Generate payslip PDFs from payroll JSON with gross and net pay calculated, plus job offer letters and employee ID cards with photos and barcodes.
Purchase Order, Work Order and Menu PDFs from JSON
Generate purchase orders for suppliers, field service reports with signatures, and restaurant menus as PDFs from your data, with totals calculated.
QR Code PDF API: Generate Printable QR Codes from JSON
Create print-ready PDFs with QR codes from any URL or text: QR-only labels, posters, Wi-Fi cards and contact badges, with one API call per document.
Create Quote and Estimate PDFs from JSON
Generate professional quotes and estimates with line items, VAT or sales tax, validity dates and an acceptance signature, from your CRM or a form.
Rent Receipts and Donation Receipts as PDF from JSON
Generate rent receipts for tenants and tax-deductible donation receipts for donors as PDFs, automatically from your payment records, with one API call.
Highlight and Annotate a PDF
Highlight text, leave sticky notes, place a signature image, and flatten the markup when it is final — in the editor or with one API call.
Fill a PDF Form and Flatten It
Fill AcroForm fields by name, check the values before you write them, and flatten the form so the answers cannot be changed — in the editor or with one API call.
Bates Numbering a Legal Bundle Without Losing Your Place
Number a disclosure bundle continuously across documents, keep the stamps upright on sideways scans, and strip the metadata before it goes to the other side.
How to Edit a PDF You Already Have
Rotate and remove pages, add text and watermarks, number a bundle, and strip metadata and JavaScript — page by page in the dashboard, or as one API call.
Introducing Optional Monthly Subscriptions
PodPDF now offers two monthly plans alongside one-off credit packs. How the monthly allowance works, how it combines with your credits, and which option suits you.
Fixing a Sideways Scan, and Stamping It Correctly
Rotate every page of a scanned document in one change, and get page numbers and stamps that land the right way up on every page whichever way it was fed through the scanner.
Watermark Every Page of a PDF at Once
Apply a watermark, a stamp, a header or Bates numbering across a whole document in one go — in the editor or with one API call. One save, one operation, however many pages.
Automate Payslip and Statement Splitting with n8n and Zapier
Split a payslip or statement run into one PDF per person, automatically: step-by-step n8n and Zapier workflows using the PodPDF split API.
Generate Certificates in Bulk from a Spreadsheet
Turn a CSV of course graduates or event attendees into personalised certificate PDFs with signatures and verification QR codes, using a PodPDF template.
Bulk HTML and Markdown to PDF: Convert a Whole Folder in One Job
Turn a ZIP of HTML or Markdown files into a ZIP of PDFs, with relative CSS, images and fonts still working. How it works, what it costs, and how to use it.
Generate Invoice PDFs from JSON with PodPDF Templates
Design an invoice once in a visual editor, then create PDFs by sending JSON: line items, tax and totals calculated, any paper size, from $0.005 per PDF.
How to Merge PDFs with the PodPDF API
Combine PDFs into one file in your order, with page ranges per file: in the dashboard, with one API call, or as a background job for large bundles.
Merging and Splitting Large PDFs: Limits, Encrypted Files, and What Gets Lost
What really limits PDF merge and split at scale, why split files can outgrow the original, why encrypted PDFs are refused, and what gets lost.
Print 4×6 Shipping Labels with Barcodes from JSON
Generate 4×6 inch shipping label PDFs with Code 128 and QR codes from order data, plus A4 packing slips, using PodPDF templates and one API call.
Sign in to PodPDF with Google
You can now create a PodPDF account or sign in with your Google account. Existing accounts link automatically, and API keys keep working as before.
Create 80 mm and 58 mm Thermal Receipt PDFs from JSON
Generate till receipts for 80 mm or 58 mm roll printers: the page length follows the items, totals and tax are calculated, with a scannable barcode.
How to Split a PDF into Multiple Files
Split one PDF by page ranges, every N pages or page by page, or extract only the pages you need. In the dashboard or the API, including large scans.
How to Use PodPDF to Convert Any HTML or Markdown Document on the Web
Convert HTML and Markdown documents to PDF with PodPDF: no code in the web app, full control through the API. A practical guide to both.
How to Use the PodPDF API in n8n
Integrate PodPDF into n8n: generate PDFs from any trigger with the HTTP Request node, handle the response, and pass the file to the next step.
How to Use the PodPDF API in Zapier
Add PodPDF to your Zapier workflows and generate PDFs automatically from form submissions, CRM events, spreadsheet updates and more.
HTML to PDF Conversion at PodPDF
How PodPDF turns HTML into accurate PDFs with a real browser engine: full CSS, JavaScript-rendered content, custom fonts and precise layout control.
Markdown to PDF Conversion at PodPDF
PodPDF converts Markdown to PDF directly, with no manual step. How it works, which Markdown features are supported, and how to style the output.
Why a Reliable PDF API Is Essential for Automation Tools
In an automated workflow, PDF generation has to be reliable. What breaks when it isn't production-grade, and how to choose an API that won't let you down.
PDF Generation Tool Comparisons: PodPDF vs the Rest
Comparing wkhtmltopdf, Puppeteer, PDFKit, WeasyPrint and PodPDF for PDF generation, to help you pick the right tool or API for your use case.
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