GET libpng.org HTTP 200129 ms1.1 KB$0.000017 captured Aug 7, 2026

libpng.org, as data

One API turns any libpng.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.

target profile from the capture

Render mode: Plain HTTP, no browser needed
Response: HTTP 200 in 129 ms
Page size: 1.1 KB of markdown, 21 lines
Fields: Business Name, Address, Phone, Category
Captured: Aug 7, 2026

Start scraping libpng.org See the code

Free balance on signup, no card. This libpng.org page cost $0.000017 to fetch.

response 200 · 129 ms · 1.1 KB

# Welcome to libpng.org!Multiple-image Network Graphics(the free reference library for reading and writing PNGs)**libpng.org** is maintained by Greg Roelofs on servers provided by SourceForge. Different parts of it are mirrored in various locationsaround the world; see the PNG andMNG home pages for details. There is also a completelyseparate site for the free MNG library, **libmng**.[![[libpng now!]](pub/png/img_png/libpng-88x31.png)](pub/png/libpng.html)[![[PNG now!]](pub/png/img_png/pngnow.png)](pub/png/)[![[MNG now!]](pub/mng/img_mng/mngnow-bearcy.png)](pub/mng/)[![[primary site hosted by SourceForge]](http://sflogo.sourceforge.net/sflogo.php?group_id=32355&type=9)](http://sourceforge.net/projects/png-mng)[![[powered by libmng]](pub/mng/img_mng/libmng.png)](http://www.libmng.com/)

POST /scrape · libpng.org/index.md · markdown · 21 lines · captured Aug 7, 2026

What Spider does on libpng.org

Same key, five endpoints. The numbers under a cell were measured on this page.

/scrape

Page to markdown

Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.

129 ms · $0.000017

/fetch

Page to JSON

Spider reads the page and names the fields. Pass your own schema when you need exact keys.

/crawl

Whole site

Follows libpng.org's own links, respects robots, streams pages as they land.

/links

Link graph

Every internal and external URL on a page, before you decide what to fetch.

/screenshot

Rendered capture

Real Chromium, full-page PNG. The same call also returns the rendered HTML.

The call behind the panel

This request produced the response above. Paste it with your key and you get the same bytes.

request scrape.sh

curl -X POST https://api.spider.cloud/scrape \
  -H "Authorization: Bearer $SPIDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://libpng.org/", "return_format": "markdown"}'

from spider import Spider

app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://libpng.org/", params=params)
print(page[0]["content"])

import { Spider } from "@spider-cloud/spider-client";

const app = new Spider();
const [page] = await app.scrapeUrl("https://libpng.org/", {
  return_format: "markdown",
});
console.log(page.content);

plain request · no browser, no selectors

What libpng.org costs

Multiplied from the measured 1.1 KB page. Estimates round to the cent.

cost measured

This page, once 1.1 KB over HTTP, measured $0.000017

This page, daily for a month 30 fetches at the measured price ≈ $0.000502

1,000 pages this size 1.1 MB at the measured price ≈ $0.02

10,000 pages this size 11.1 MB at the measured price ≈ $0.17

1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.

Point this at the rest of libpng.org.

The capture above took 129 ms and cost $0.000017. The same call takes any URL on libpng.org.

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