Breakpoint Stress Test

What it does

Breakpoint Stress Test copies the selected frames at the widths you pick, from a 320 px phone to a 1920 px screen, and places them in a row next to the original. Constraints and auto layout do their work just as they would if you dragged the edge yourself, only for every width at once.

Then it checks every layer of every copy: content that spills out or gets clipped, fixed-width layers wider than their column, text cut off or truncated, layers that stop sticking to the right edge, lines too long to read on wide screens and tap targets under 44 px on phones. Problems are marked on the copies, listed with Select, and exported as Markdown. One click removes the copies.

1. Every width at once

   Phones, tablets, laptops, wide screens, or your own.

2. What breaks at each width

   Clipped, too wide, cut off, not pinned, in pixels.

3. Filter, then select

   Jump to any problem layer on the copy.

4. Wide screens too

   Lines too long to read, flagged past 80 characters.

Everything it does

Widths

• 320 to 1920, nine device widths
• Any custom width, several frames at once
• Your widths remembered

Finds

• Spilling or clipped content, in pixels
• Fixed layers wider than their column, text cut off
• Layers not pinned right, long lines, small tap targets

Works your way

• Copies in a row, the original untouched
• Problems marked on each copy, filter and select
• Markdown report, one click cleanup

10 free uses, then one license or Lab Pro. See pricing →

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