LightningPDF

What it does

Tired of Puppeteer memory leaks and wkhtmltopdf breaking your CSS? LightningPDF is a REST API that generates PDFs from HTML, CSS, and Markdown. What makes it different: • Dual engine — Go-native renders simple docs in <100ms, Chromium handles complex layouts • Visual template designer with live preview • Batch API, async jobs, and webhook notifications • Tailwind CSS built-in • Free tier — 50 PDFs/month, no credit card Works with any language: Python, Node.js, Go, PHP, cURL.

Generate PDFs from HTML, CSS, and Markdown via REST API. Go-native engine under 100ms, Chromium for complex layouts. Free tier with 100 PDFs/month.

Generate, merge, split, compress, protect, and convert. One API key, every PDF operation. Stop juggling Puppeteer, Ghostscript, and pdfcpu. Go-native engine under 100ms, Chromium for complex layouts. One-click invoices, packing slips, and refund receipts that match your theme, without leaving the admin. The Paperbolt plugin attaches a branded PDF to every order email. Free, no API key required. Sub-100ms native engine. POST JSON, get a print-ready PDF. Works with anything that can hit a webhook. Hindi, Bengali, Tamil, Arabic, Hebrew, Thai, CJK. They render correctly out of the box. RTL included. No font uploads, no setup. One-click invoices, packing slips, and refund receipts that match…from lightningpdf.dev

• 
  PDFShift2018 · pdfshift.io · ▲386

  Convert any HTML to PDF with a single POST request.

• PJ
  Pdf.js Express – PDF annotation, e-signatures, and form filling2020 · ▲334

  Hi HN, Nick here. We're super excited to officially launch PDF.js Express [1]. PDF.js Express wraps a modern React UI around the PDF.js rendering engine to enable PDF annotation, form filling, and signing inside your web app. We've also made some improvements to PDF.js text search, and taken a different approach to how the viewer uses the PDF.js rendering API, resulting in sharp graphics at any zoom magnification [2]. Based on our research, more than 70% of those who try to implement these features on top of PDF.js find it too difficult or time-intensive [3]. For those who are successful,…

• 
  FlexPDF2022 · magloft.com · ▲83

  Free PDF to HTML Converter for Publishers

• 
  WebPDF2024 · ▲103

  Simple PDF API & web toolkit

• TA
  ThePDFApi, a Chrome Based PDF Generation API Hosted on AWS2018 · ▲41

  Hello HN! It kept surprising me how much of a hassle it is to generate a PDF with decent HTML5 rendering from my SaaS apps. I tried several free libs and APIs but ended up with botched rendering a lot of times. So I set out to simplify this chore by creating an AWS hosted HTML to PDF conversion API that's based on Chrome. This API will allow a dev to just send the HTML to our API and get a PDF in response without having to worry about running and managing Chrome somewhere in their infra. I just finished the first version of my landing page and hosted pdf generation API…

• 
  RenderPDF.io: HTML to modern PDFs2024 · renderpdf.io · ▲8

  Transform your HTML into a modern PDF file in seconds & fast

• 
  /dev/null▲490

  a social network for devs

  Dev tools · 4d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 29d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Run full iOS 16.5 firmware on Android Devices▲372

  Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

  Dev tools · 15h ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 24d ago · openbot.run

• 
  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 21d ago · talanoa.email

• 
  Lightfield▲901

  AI-native CRM that builds itself and does work for you

  AI · Mar 2026 · lightfield.app

• 
  Tobira.ai▲728

  A network where AI agents find deals for their humans

  AI · Mar 2026 · tobira.ai

• 
  Claude Import Memory▲716

  Switch from ChatGPT to Claude with import memory feature

  AI · Mar 2026 · claude.com

• 
  Littlebird▲709

  Littlebird remembers everything across your meetings, messages, docs, and apps, then takes action so you can recall any detail and never lose context.

  AI · Mar 2026 · littlebird.ai

• 
  Viktor.com▲702

  Your AI Coworker that proactively executes tasks

  AI · Mar 2026 · viktor.com

• 
  Jupid▲659

  File your taxes with Claude Code

  Commerce · Mar 2026 · jupid.com