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.

Get API Key Read Docs

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 &apos;{"html": "<h1>Hello World</h1>"}&apos; \
  --output hello.pdf

Simple, predictable pricing

Start free, scale as you grow. No hidden fees, no surprises.

Free

$0/month

• 50 pages / mo
• Up to 5 conversions per day
• No credit card required

Get Free API Key

Starter

$9/month

• 2 000 pages / mo
• Overage $0.002 / page

Start Free Trial

Pro

$29/month

• 12 000 pages / mo
• Overage $0.002 / page

Start Free Trial

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.

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Convert HTML directly to PDF.