I made a visual sound change applier

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pepso
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Joined: Tue Jun 23, 2026 4:37 am

I made a visual sound change applier

Post by pepso »

Hello everyone!

For a while now I've been working on a sound change applier that doesn't require you to learn any notation. I wanted that feeling of building something in Scratch, snapping pieces together and watching it work, but I also wanted it to be genuinely powerful.

I built Leksical with a few things in mind. Above all I wanted it to be user-friendly: a beginner should be able to jump in and actually understand what their rules are doing, without having to learn the notation first. Every rule reads as a plain sentence ("change p to b between vowels"), and you can watch a sample word change live as you build it. There's still a full advanced view with normal notation for when you'd rather just type, and the two stay in sync, so you can switch back and forth.

Leksical isn't only a sound change applier, though. It's also a word generator: you can generate a batch of words and apply your sound changes to them instantly, and the generation rules can be built visually as well as in notation.

It's free, and you can try it without making an account: https://leksical.com/

I'd really love feedback from this crowd in particular: what's missing, what's confusing, and what you'd want from a tool like this. It's being actively worked on, so suggestions genuinely shape where it goes.
bradrn
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Re: I made a visual sound change applier

Post by bradrn »

I’m curious whether LLMs were used to build this, and if so how they were used.
Conlangs: Scratchpad | Texts | antilanguage
Software: See http://bradrn.com/projects.html
Other: Ergativity for Novices

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Travis B.
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Re: I made a visual sound change applier

Post by Travis B. »

Is this on GitHub or Codeberg or like?
Yaaludinuya siima d'at yiseka wohadetafa gaare.
Ennadinut'a gaare d'ate eetatadi siiman.
T'awraa t'awraa t'awraa t'awraa t'awraa t'awraa t'awraa.
bradrn
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Re: I made a visual sound change applier

Post by bradrn »

Travis B. wrote: ↑Tue Jun 23, 2026 9:01 am Is this on GitHub or Codeberg or like?
Well… for some reason it asks you to sign in to use it. (For a sound change applier!) I doubt it’s open-source. In fact, considering the overall style, I doubt it was even written by a human.
Conlangs: Scratchpad | Texts | antilanguage
Software: See http://bradrn.com/projects.html
Other: Ergativity for Novices

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Travis B.
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Joined: Sun Jul 15, 2018 8:52 pm

Re: I made a visual sound change applier

Post by Travis B. »

bradrn wrote: ↑Tue Jun 23, 2026 9:55 am
Travis B. wrote: ↑Tue Jun 23, 2026 9:01 am Is this on GitHub or Codeberg or like?
Well… for some reason it asks you to sign in to use it. (For a sound change applier!) I doubt it’s open-source. In fact, considering the overall style, I doubt it was even written by a human.
Hence my question. It definitely has the look and feel of a commercial web application.
Yaaludinuya siima d'at yiseka wohadetafa gaare.
Ennadinut'a gaare d'ate eetatadi siiman.
T'awraa t'awraa t'awraa t'awraa t'awraa t'awraa t'awraa.
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Raphael
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Re: I made a visual sound change applier

Post by Raphael »

Travis B. wrote: ↑Tue Jun 23, 2026 10:16 am
bradrn wrote: ↑Tue Jun 23, 2026 9:55 am
Travis B. wrote: ↑Tue Jun 23, 2026 9:01 am Is this on GitHub or Codeberg or like?
Well… for some reason it asks you to sign in to use it. (For a sound change applier!) I doubt it’s open-source. In fact, considering the overall style, I doubt it was even written by a human.
Hence my question. It definitely has the look and feel of a commercial web application.
There's now a market for conlanging-related commercial web applications?
bradrn
Posts: 8019
Joined: Fri Oct 19, 2018 1:25 am

Re: I made a visual sound change applier

Post by bradrn »

Raphael wrote: ↑Tue Jun 23, 2026 10:46 am
Travis B. wrote: ↑Tue Jun 23, 2026 10:16 am
bradrn wrote: ↑Tue Jun 23, 2026 9:55 am

Well… for some reason it asks you to sign in to use it. (For a sound change applier!) I doubt it’s open-source. In fact, considering the overall style, I doubt it was even written by a human.
Hence my question. It definitely has the look and feel of a commercial web application.
There's now a market for conlanging-related commercial web applications?
I certainly hope not!
Conlangs: Scratchpad | Texts | antilanguage
Software: See http://bradrn.com/projects.html
Other: Ergativity for Novices

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alice
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Location: 'twixt Survival and Guilt

Re: I made a visual sound change applier

Post by alice »

bradrn wrote: ↑Tue Jun 23, 2026 10:47 am
Raphael wrote: ↑Tue Jun 23, 2026 10:46 am
Travis B. wrote: ↑Tue Jun 23, 2026 10:16 am

Hence my question. It definitely has the look and feel of a commercial web application.
There's now a market for conlanging-related commercial web applications?
I certainly hope not!
I'm not sure if this answers this either way, but I found it in what was once my local academic bookshop. Yours in hardcover for only £75!
mais grand il tour, mais rapid e fort e spes caze la merda
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