Convert HTML
directly to PDF.
One lightweight API that turns web pages → pixel-perfect PDFs in seconds. Your first 50 pages each month are free.
Why developers choose FileSlap
Built for developers who need reliable, fast, and secure PDF generation.
Fast
Render full webpages to PDF in seconds.
Secure
TLS-only endpoints and zero HTML retained.
Pay-as-you-go
Usage-based pricing from $0.002 per page.
Who Uses HTML-to-PDF Conversion?
From small businesses to enterprise applications, developers use FileSlap to automate document generation and create professional PDFs from web content. Here's how different industries benefit:
E-commerce & Retail
Generate invoices, receipts, and order confirmations automatically from your web application.
Order confirmations
Shipping labels
Product catalogs
Customer invoices
Business & Finance
Create professional reports, statements, and financial documents with consistent formatting.
Financial reports
Bank statements
Tax documents
Business proposals
Education & Training
Convert course materials, certificates, and educational content into shareable PDFs.
Course certificates
Training materials
Student reports
Educational handouts
Healthcare & Legal
Generate patient records, legal documents, and compliance reports with perfect formatting.
Medical reports
Legal contracts
Patient records
Compliance documents
Real Estate & Property
Create property listings, contracts, and documentation for real estate transactions.
Property listings
Rental agreements
Inspection reports
Closing documents
Marketing & Sales
Convert web content into professional marketing materials and sales collateral.
Sales proposals
Marketing brochures
Case studies
Product sheets
Try It Now
Test the API right now. Paste your HTML below and convert it to PDF instantly.
Daily Demo:3/3 conversions remaining
Need an example? Try one of these:
Copy-paste examples
curl -X POST https://api.fileslap.com/api/convert \
-H "Content-Type: application/json" \
-H "X-API-KEY: YOUR_API_KEY" \
-d '{"html": "<h1>Hello World</h1>"}' \
--output hello.pdfSimple, predictable pricing
Start free, scale as you grow. No hidden fees, no surprises.
Need higher volume? Contact us.
Frequently Asked Questions
What is FileSlap?
FileSlap is a fast, secure API for converting HTML to PDF. It is designed for developers who need reliable, scalable PDF generation in their apps.
How many free conversions do I get?
You get 50 free pages per month with the Free plan, with a limit of 5 conversions per day. No credit card required.
Is my HTML or PDF data stored?
No. FileSlap processes all conversions in-memory and does not retain your HTML or generated PDFs.
How fast is the API?
Most conversions complete in under 2 seconds. Performance may vary based on HTML complexity.
Can I use FileSlap for invoices, reports, or resumes?
Yes! FileSlap is perfect for generating invoices, reports, resumes, and any other web-based documents as PDFs.
Stay Updated
Get the latest updates on FileSlap, API tips, and developer insights from the creator.
Developer insights, API updates, and tech tips from the creator of FileSlap
Complete Integration Guides
Step-by-step guides for every major platform. From Node.js to no-code tools, we've got you covered with production-ready code examples.
Backend
Node.js Integration
Convert HTML to PDF with Node.js - Complete guide with Express.js and Next.js integration
Invoice generation
Report creation
Express.js integration
Error handling
Read Guide →
Backend
Python Integration
Generate PDFs with Python - Flask, Django, and async processing examples
Dynamic invoices
Data visualization
Flask/Django
Async processing
Read Guide →
Frontend
React Integration
Convert React components to PDFs - Browser-based generation with custom hooks
Component conversion
Custom hooks
User downloads
Performance optimization
Read Guide →
No-Code
Zapier Integration
Automate PDF generation with Zapier - No-code workflows for business automation
Webhook automation
Invoice generation
Form processing
Email archiving
Read Guide →
No-Code
Make.com Integration
Advanced automation with Make.com - Complex workflows and multi-source data
Complex workflows
Data aggregation
Batch processing
Error handling
Read Guide →
No-Code
n8n Integration
Self-hosted automation with n8n - Developer-focused workflows with unlimited flexibility
Self-hosted
Database integration
Parallel processing
Custom nodes
Read Guide →
Google Workspace
Google Apps Script
Automate PDF generation in Google Workspace - Sheets, Forms, and Gmail integration
Sheets to PDF
Form processing
Gmail archiving
Drive automation
Read Guide →
The Ultimate Guide
Get the complete overview of all integration options and choose the perfect platform for your needs.
Read Ultimate Guide