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STL to Ladder Converter
AI-powered STL to Ladder Logic converter for S7 PLCengineers
Convert Siemens S7 STL code to Ladder Logic diagrams instantly
Hi Product Hunt! 👋
I am an instrument engineer working with Siemens S7 PLCs every day. For years I struggled with reading and documenting legacy STL (Statement List) programs — especially during plant breakdowns when time is critical.
Ladder Logic is visual and easy to trace, but converting STL to Ladder manually is slow and error-prone. I searched for a tool that could do this automatically and found nothing reliable — so I built one.
STL to Ladder Logic Converter lets you paste any Siemens S7 STL code and get an instant visual Ladder Logic diagram. It correctly handles:
NO and NC contacts
Series and parallel connections
Seal-in (latching) circuits
Multiple output coils in parallel
Jump instructions
It is completely free, runs in the browser, and requires no installation.
I built this as a solo side project alongside my full time job. It is still being improved and I would love feedback from anyone working with PLCs or industrial automation.
Try it at stl-to-ladder.vercel.app and let me know what you think — any feedback is genuinely welcome!
About STL to Ladder Converter on Product Hunt
“AI-powered STL to Ladder Logic converter for S7 PLCengineers”
STL to Ladder Converter was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #10 on the daily leaderboard. Convert Siemens S7 STL code to Ladder Logic diagrams instantly
On the analytics side, STL to Ladder Converter competes within Developer Tools, Artificial Intelligence and Tech — topics that collectively have 1.6M followers on Product Hunt. The dashboard above tracks how STL to Ladder Converter performed against the three products that launched closest to it on the same day.
Who hunted STL to Ladder Converter?
STL to Ladder Converter was hunted by MOHD USMAN. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of STL to Ladder Converter including community comment highlights and product details, visit the product overview.
MOHD USMAN