Toolesia · 15 个免费小工具
Free online tools
Small, single-purpose pages: grade arithmetic, text styling, word counting, sound levels, weekly schedules, water targets, IP lookup, floor area, currency conversion, population projection, step distance and one herb photo checker. Everything except the herb checker runs in your browser — no account, nothing uploaded.
- 15tools in one place
- 100+tool pages
- 0sign-up required
- 100%free to use
GPA and grade calculators
22 pagesGPA, weighted GPA, grade and final-exam calculators that run in the browser.
GPA by level
Scales and conversions
Fancy text and fonts
10 pagesUnicode text styles you can copy and paste: bold, cursive, old English, strikethrough, circles and more.
Text effects
About this site
Word games and solvers
8 pagesUnscramble letters, solve anagrams, Wordle and crossword clues, or filter a 315,100-word list.
Word lists
About this site
Calorie and food energy
16 pagesFood energy in calories, the steps and running time to burn it, and a daily deficit calculator.
Calculators
Food pages
About this site
Sleep timing
9 pagesBedtimes that fit 90-minute sleep cycles, and recommended sleep duration by age.
About this site
Word and character count
4 pagesWords, characters, sentences, paragraphs and reading time, counted in the browser.
About this site
Sound level
4 pagesMicrophone-based approximate sound levels, a reference chart and NIOSH exposure limits.
About this site
Weekly schedule
4 pagesA printable seven-day grid with adjustable hours, plus three ready-made weekly templates.
About this site
Water intake
4 pagesA daily water range from body weight, exercise and heat, plus what the official intake figures actually measure.
About this site
IP address
4 pagesFind your public IP with a city-level location, ISP, ASN, coordinates and a residential or non-fixed hint.
About this site
Floor area
4 pagesConvert a gross floor area into net and usable area with a shared-space percentage and a wall allowance.
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Currency
4 pagesConvert between 140 currencies with a dated reference table and both directions of every cross rate.
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Population
4 pagesProject a population from crude birth, death and migration rates, with a year-by-year table and growth measures.
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Steps and distance
4 pagesConvert a step count and a step length into metres, kilometres, feet, yards and miles, with per-kilometre step counts.
About this site
中药材拍照识别
中文工具上传中药材照片，获取参考性外观特征意见。参考工具，不构成药品鉴定、质量检测或用药建议。
Upload a photo of a dried herb and get a reference-only reading of the visible features.
