Alai helps you get little things done
ALai-ToolKit · everyday tools, one entry point
75+ free online tools, from JSON formatting to image compression,
No Sign-upTotally FreePrivacy First
Alai says:
Small tasks, done in one go.
AI Tools
Translate, summarize, polish, emails, weekly reports, resumes and marketing copy — just type and go, free online
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AI Translator
AI Chinese-English translator with auto direction detection and business, casual, academic, literary styles
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AI Summarizer
AI text summarizer: distill long text into key points with brief, standard or detailed lengths, Chinese/English output
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AI Polisher
AI copy polisher: rewrite drafts in formal, friendly, concise or literary styles
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AI Email Assistant
AI email writer: enter key points and pick a tone to generate a complete email with subject, body and signature placeholder
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AI Service Reply Assistant
AI customer-service replies: paste the customer message and pick a scenario to generate a polite, sincere reply — pre-sales, shipping, bad-review, payment reminder and after-sales
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AI Name Generator
AI name generator: baby, brand, shop, nickname, game ID and pet names — describe your needs in one sentence, get 10 candidates with meanings
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AI Weekly Report Generator
AI weekly report generator: paste your weekly bullet points and get a structured report (done/highlights/issues/next week), adjustable tone
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AI Resume Optimizer
AI resume optimizer: paste your resume and optimize it for your target role with full rewrite, wording polish, STAR structure or quantified results
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AI Seeding Copy Generator
AI seeding copy generator: enter product highlights and get 3 different-angle copies for Xiaohongshu, Moments, e-commerce or short-video scripts in 4 tones
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AI Viral Headline Generator
AI viral headline generator: describe your topic and get 5 headlines from different angles for WeChat, Xiaohongshu, Douyin or Toutiao in 5 styles
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AI Meeting Minutes Generator
AI meeting minutes generator: paste meeting notes to get structured minutes with key decisions, action items and open questions, in brief or detailed style
All-in-One Toolkits
Related features combined into a single page — switch tabs to use them all, no hopping between pages
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Image Toolkit
All-in-one image toolkit: compress, resize, crop, rotate, convert, base64, EXIF, colors
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PDF Toolkit
All-in-one PDF toolkit: compress, encrypt, merge/split, watermark, to image/text
JSON Toolkit
All-in-one JSON toolkit: format, validate, minify, YAML and CSV conversion
Text Toolkit
All-in-one text toolkit: diff, count, case, dedupe, replace, markdown, sort, reverse, slug
Encode Toolkit
All-in-one encode toolkit: Base64, URL, HTML, Unicode
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Barcode / QR Toolkit
All-in-one barcode/QR toolkit: generate and read
Crypto Toolkit
All-in-one crypto toolkit: MD5, SHA, AES
Color Toolkit
All-in-one color toolkit: palette, gradient, convert, picker, contrast, name finder
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Code Format Toolkit
All-in-one format toolkit for CSS, SQL, YAML, SVG, JS/TS/HTML
Most used tools
Single-purpose tools, open and use right away.
JSON / XML Formatter
Paste to auto-detect JSON or XML and format instantly, with line numbers, syntax highlighting and node folding
Tax Calculator
Calculate salary, social insurance and personal income tax
Mortgage Calculator
Calculate mortgage monthly payment, interest and repayment plan
Currency Converter
Convert between CNY, USD, EUR and other major currencies
Unix Timestamp Converter
Convert between Unix timestamp and datetime
Unit Converter
Convert between length, weight, temperature, area, volume units
BMI Calculator
Calculate BMI index and health assessment
JWT Decoder
Decode JWT Token to view Header and Payload
Frequently asked questions
What is Alai-ToolKit?
Alai-ToolKit is a free online toolkit with 75 tools for developers, text, images, colors, dates and everyday tasks. Open a tool and use it right away.
Do I need to sign up to use the tools?
No. Most tools need no sign-up and no installation. Open the tool page in a browser and use it directly.
Are the tools free?
Yes, the tools on Alai-ToolKit are free to use.
Will my files be uploaded to a server?
Most tools run locally in your browser, so files do not need to be uploaded. AI tools are the exception: they send only the text you submit.
How do I find the right tool quickly?
Use the search box on the homepage, browse all tools at /tools, or pick a category such as developer, text, image or AI tools.
75
Free tools
8
Categories
11
AI tools
0
Sign-up needed for most tools