Weaving Resources for Every Project

Free calculators, a WIF viewer, and guides to help you plan and understand your weaving. Nothing to install, nothing uploaded.

Calculators & Viewers

WIF Viewer

Open a .wif weaving draft in your browser to see the threading, tie-up, treadling, and colored drawdown. Download an image or open it in Bower.

Sett Calculator Turn wraps per inch and a weave structure into a recommended sett (ends per inch), a firm-to-open range, and reed options.

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Warp Calculator Get total ends, warp length, yardage, and yarn weight from your finished size, sett, take-up, shrinkage, and loom waste.

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Yarn Count Converter Convert between tex, denier, metric (Nm), cotton count (Ne), worsted, linen lea, and yards per pound. Decodes 8/2 style labels.

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All Quick Tools →

Guides & Articles

Bower's Full Feature List

Every Bower feature, from basic drawing tools to profile drafting, direct drawdown editing, and yarn simulation. All free, no tiers.

How do Bower Licenses Work? How the one-time Bower license works: pricing, supported platforms, the two ways to buy, and device limits.

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What is a WIF file? A plain-language intro to Weaving Information Files: what they store, why weavers use them, and how to open one in the free WIF Viewer or Bower.

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WIF 1.1 File Format Specification Complete WIF 1.1 format reference with notes on which sections Bower and the free WIF Viewer support, partially support, or ignore.

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All Articles →

Updates

Bower Updates

New features, improvements, and the changelog for the Bower weaving draft editor.

Bower is free, with every tool available one hour a day. A one-time $29.99 license removes the daily limit and works on up to two devices. If Bower is useful to you, please consider supporting the project!

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