STL Converter

Convert STL files to OBJ, PLY, and 3MF formats online. Free, fast, and no registration required.

Request Feature / Support

12,808+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

Type what tool or calculator you need below. Our AI will build it instantly for your site.

About This Tool

This STL converter tool allows you to easily convert STL (Stereolithography) files to other popular 3D formats including OBJ, PLY, and 3MF. Perfect for 3D printing enthusiasts, CAD designers, and 3D modelers who need to convert between different 3D file formats. The tool processes your STL files locally in your browser for privacy and speed, with optional server-side processing for complex conversions. Simply upload your STL file, select your target format, and download the converted file instantly.

Save your calculation history with a free account

How to Use

Click the upload area or drag & drop your STL file
Select your desired output format (OBJ, PLY, or 3MF)
Choose conversion options like binary/ASCII encoding
Click 'Convert STL File' to process your file
Download your converted file from the results section

Frequently Asked Questions

Find Quick Answers

What STL file formats are supported?

The tool supports both ASCII and binary STL formats. Most common STL files from CAD software, 3D scanners, and modeling tools are compatible.

What are the differences between OBJ, PLY, and 3MF formats?

OBJ is widely supported in 3D graphics software, PLY is common for 3D scanning and point clouds, and 3MF is a modern format with better metadata support for 3D printing.

Is there a file size limit?

For client-side conversion, files up to 50MB are recommended. For larger files, the server-side processing can handle files up to 100MB.

Are my files stored on your servers?

No, files are processed either locally in your browser or temporarily in memory on our servers during conversion. All files are automatically deleted after processing.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

Related Tools

Other useful calculators and utilities you might like

Road Distance Calculator

Calculate the driving distance and travel time between two addresses with our free online road dista...

Spotify to MP3 Converter

Convert Spotify tracks and playlists to MP3 format instantly with our free online converter.

Age Calculator

Calculate your exact age in years, months, and days from any birth date to any target date.

Uber Price Calculator

Estimate your Uber ride fare based on distance, duration, surge multiplier, base fare, and vehicle t...

Your Feedback Matters

Help Us to Improve