# Mini AI Tools (miniaitools.com)

Free in-browser calculators. Nothing is uploaded. English, Spanish, Chinese, Portuguese, French, German, Japanese.

## Live tools

- Words to minutes (speech): https://speech.miniaitools.com/
  - Keywords: words to minutes, speech length calculator, how long is my speech, 5 minute speech word count, 130 wpm
  - Formula: minutes = words ÷ wpm; reverse: words = minutes × wpm
  - Pace presets: 100 (slow), 130 (average), 150 (presentation), 160 (fast)

- Prorated rent: https://rent.miniaitools.com/
  - Keywords: prorated rent calculator, mid-month move-in rent, partial month rent, 30-day proration, US apartment lease
  - Methods: actual calendar days, 30-day month (rent ÷ 30 × days), 365-day year (rent × 12 ÷ 365 × days)
  - First night and last night both count (inclusive)

## GEO / languages

- Default: English (US). Auto-detect via timezone and IP country.
- Full UI: en, es, zh, pt, fr, de, ja (ar partial).
- hreflang on all tool pages; apex hub supports en/zh.

## Analytics

- GA4 property: miniaitools.com (G-129BQMGXDP)
- Key events: calc_complete, ai_optimize_click