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ランダム座席表生成

Seat randomizer: import names and seats to randomly assign with dedup and export for class and meetings, with one-click copy, offline and multilingual.

使い方

1行に1人の名前を入力し、行数・列数・乱数シードを設定して「ランダム配置」をクリックすると座席表が生成されます。

Overview

Seat Randomizer is an Education tool. Import names and seats to randomly assign with dedup and export for class and meetings, with one-click copy, offline and multilingual. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Daily use of Seat Randomizer: Enter one name per line, set rows, columns and a seed, then shuffle to create the seating chart. — enter and get instant results without manual lookup.
  • One-click copy keeps results ready to save, check or share with family and pros.
  • Use Seat Randomizer offline or on poor network — all calculations stay local and private.
  • Create UUIDs and short strings
  • Raffle and random picks

How to use

  1. 1 Enter one name per line, set rows, columns and a seed, then shuffle to create the seating chart..
  2. 2 Set length/charset rules
  3. 3 Preview and lock/exclude items
  4. 4 Copy or export CSV/TXT

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Mock data for testing only
  • Batch export in chunks for thousands
  • Uses Crypto API

FAQ

Reproducible?
Fix seed or export log if needed.
How random?
crypto.getRandomValues with system entropy.
How is Seat Randomizer different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “seat randomizer” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
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すべての計算はブラウザ内で実行され、データはアップロードされません。