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Plan how much longer each UI string gets in other languages and flag the ones that overflow

Text expansion plannerFreeFor designers, developers and writers

25/day

free runs a day, no sign-in.

Before: what you give it

The example input, as typed in. You paste text, CSS, markup or notes.

strings:
  Save
  Cancel
  Sign in to continue
  Your changes have been saved and will sync to all of your devices shortly.
languages: de, fi, ja
maxChars: 14

After: what comes back

The first lines of a real run on that input. Nothing here is edited by hand.

TEXT EXPANSION PLAN
Strings: 4. Languages: German, Finnish, Japanese.
Planned budget = English length x language factor, with a boost for short strings. Rule-of-thumb ranges (convention), not measurements.

"Save" (4 chars): plan for 10 (de 6-10, fi 7-10, ja 2-4)
"Cancel" (6 chars): plan for 16 (de 9-15, fi 10-16, ja 3-5)
"Sign in to continue" (19 chars): plan for 41 (de 29-40, fi 32-41, ja 9-17)
"Your changes have been saved and will sync to all of your d..." (74 chars): plan for 107 (de 81-104, fi 89-107, ja 33-67)

Findings: 2 high, 1 medium, 0 low, 1 info

[HIGH] Fit: "Sign in to continue" may need 41 characters in a 14-character space
  Over-length strings truncate, wrap or overflow in the longest languages.
  Fix: Widen the container, allow wrapping, shorten the source, or give translators a limit.
... full output on the tool page

What you get

Planned character range per language and worst case per string, with flags over your container limit

What it cannot do

Rule-of-thumb ranges for ordinary UI copy, not measurements; a real translation can differ.

Who it is for

  • Designers
  • Developers
  • Writers

Free and Pro

Free25 runs a day per IP address, up to 100,000 characters a run.
ProNo daily limit, 300 requests a minute, up to 200,000 characters a run.

What each plan includes

Use it from your assistant

The tool is called plan_text_expansion. Connect the server once, then ask for it by name or just describe the job. Install steps for each app.

claude mcp add --transport http designers https://designers.allthepossibles.com/mcp
curl -X POST https://designers.allthepossibles.com/api/text-expansion -H 'content-type: application/json' -d '{"strings":"Save\nCancel\nSign in to continue\nYour changes have been saved and will sync to all of your devices shortly.","languages":"de, fi, ja","maxChars":14}'

Try it here

The form starts with the same example input, so you can run it first and then swap in your own.

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