Softwr

Libraries · head to head

PDAL vs Preact

PDAL logo

PDAL

Libraries

Open source C++ library and command line tool for point cloud translation and processing

From
Free
Rated
-
Full reviewWebsite
Preact logo

Preact

Web Development

3kB alternative to React with the same modern API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: PDAL it is a library and command line tool with no graphical interface, so anyone expecting to inspect, edit or visualise a point cloud needs entirely separate software.; Preact compatibility through preact/compat is good but not total, and some React libraries break in ways that are hard to diagnose
  • They diverge on capability: PDAL covers Format translation, Preact covers 3kB runtime.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which PDAL and Preact actually diverge.

Attributes where PDAL and Preact differ
AttributePDALPreact
PlatformsLinux, Windows, macOSWeb
CategoryLibrariesWeb Development

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in PDAL

  • Format translation
  • JSON pipelines
  • Ground classification filters
  • Reprojection
  • Rasterisation
  • Python bindings
  • Streaming mode
  • Cloud-native output

Only in Preact

  • 3kB runtime
  • preact/compat
  • Same modern API
  • Fast rendering

What people use each for

The jobs each tool is most often brought in to do.

PDAL

  • A mapping agency building a repeatable pipeline that reprojects, classifies ground and tiles a national lidar datasetnot Preact
  • A developer converting client-delivered LAS files into cloud-optimised COPC for streaming to a web viewernot Preact
  • A researcher scripting outlier removal and DEM generation from drone lidar inside a Python notebooknot Preact
  • A survey firm automating quality checks on incoming point cloud deliveries rather than opening each file by handnot Preact

Preact

  • Embedded widgets that load inside someone else’s page and must stay smallnot PDAL
  • Marketing and content sites where JavaScript payload affects Core Web Vitalsnot PDAL
  • Applications targeting low-bandwidth or low-powered devicesnot PDAL

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

PDAL

  • It is a library and command line tool with no graphical interface, so anyone expecting to inspect, edit or visualise a point cloud needs entirely separate software.
  • Pipelines are written as JSON with filter-specific parameters, and getting classification results right requires understanding the underlying algorithms rather than tuning a slider.
  • Development depends heavily on a small contributor base and on public sector contract funding, which is a concentration risk for an organisation making it load-bearing.
  • There is no vendor support tier to purchase; paid help means a consulting engagement, which suits an agency with a procurement process and suits a small firm poorly.
  • Error messages and documentation assume geospatial and command line fluency, so the practical adoption cost is staff capability rather than licence fees.

Preact

  • Compatibility through preact/compat is good but not total, and some React libraries break in ways that are hard to diagnose
  • Behavioural differences from React exist in edge cases, particularly around event handling
  • A much smaller community, so unusual problems have fewer existing answers than React

Pricing, plan by plan

PDAL

Free
  • PDALFree
    • BSD licence
    • Library, command line tool and Python bindings
    • No usage or seat limits

Preact

Free
  • PreactFree
    • Full library
    • Commercial use permitted
    • No usage limits

Which should you pick?

Choose PDAL if

  • You need format translation.
  • You want to start without paying.
  • You work on Linux, Windows, macOS.
  • You also want json pipelines.
PDAL review

Choose Preact if

  • You need 3kb runtime.
  • You want to start without paying.
  • You also want preact/compat.
Preact review

Questions people ask

Is PDAL or Preact better?
Neither clearly leads. PDAL starts at Free and Preact at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, PDAL or Preact?
PDAL starts at Free and Preact at Free.
Does PDAL or Preact run on more platforms?
PDAL runs on Linux, Windows, macOS. Preact runs on Web.
Can I use PDAL for free?
Both have a free tier, so you can try either at no cost before committing.
What is PDAL best used for?
PDAL is most often used for a mapping agency building a repeatable pipeline that reprojects, classifies ground and tiles a national lidar dataset, a developer converting client-delivered las files into cloud-optimised copc for streaming to a web viewer, a researcher scripting outlier removal and dem generation from drone lidar inside a python notebook, a survey firm automating quality checks on incoming point cloud deliveries rather than opening each file by hand. Of those, a mapping agency building a repeatable pipeline that reprojects, classifies ground and tiles a national lidar dataset and a developer converting client-delivered las files into cloud-optimised copc for streaming to a web viewer are not what Preact is typically brought in for.
What can PDAL do that Preact cannot?
PDAL covers Format translation, JSON pipelines, Ground classification filters, Reprojection. Preact covers 3kB runtime, preact/compat, Same modern API, Fast rendering.

Answered from the vendors’ own pages

PDAL: Is PDAL a product I can buy?

No. It is a free BSD-licensed library and command line tool. There is nothing to purchase.

Preact: Is Preact free?

Yes, open source under the MIT licence.

PDAL: Who maintains it?

An open contributor community with development led substantially by Hobu Inc, funded largely through US public sector contracts.

Preact: Can I use React libraries with Preact?

Most, through the preact/compat layer. Compatibility is good but not complete, so libraries relying on React internals can break.

PDAL: Can I get commercial support?

Only by contracting Hobu or an independent consultancy. There is no support subscription.

Preact: Why choose Preact over React?

Bundle size, almost always. If payload is not a binding constraint, React’s ecosystem is usually the better trade.

PDAL: Does it have a viewer?

No. Use QGIS, CloudCompare or a web viewer for visualisation; PDAL handles the processing.

Share

Related pages

More on PDAL

More on Preact

Keep looking

Other head to heads