All tools
75 online tools — browse by category or search
- JSON ToolkitToolkitAll-in-one JSON toolkit: format, validate, minify, YAML and CSV conversion
- Crypto ToolkitToolkitAll-in-one crypto toolkit: MD5, SHA, AES
- Generator ToolkitToolkitAll-in-one generator toolkit: password, UUID, NanoID
- Code Format ToolkitToolkitAll-in-one format toolkit for CSS, SQL, YAML, SVG, JS/TS/HTML
- Encode ToolkitToolkitAll-in-one encode toolkit: Base64, URL, HTML, Unicode
- Regex ToolkitToolkitAll-in-one regex toolkit: tester, template library and match details
- Base Convert ToolkitToolkitAll-in-one base convert toolkit: number bases, text to binary
- XML ToolkitToolkitAll-in-one XML toolkit: JSON to XML, format, XML to JSON
- JSON / XML FormatterPaste to auto-detect JSON or XML and format instantly, with line numbers, syntax highlighting and node folding
- JWT DecoderDecode JWT Token to view Header and Payload
- Lorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text, Chinese supported
- HTML PreviewLive preview of HTML code rendering with sandbox isolation
- HTML to ImageRender HTML and CSS into PNG/JPG/WebP images with custom size and retina scale
- Cron Expression ParserParse cron expressions into a readable description with upcoming run times
- Meta Tag GeneratorFill in page info to generate complete SEO, Open Graph and Twitter Card meta tag code
- URL ParserBreak a URL into protocol, host, port, path, query parameters and fragment, with a parameter table and one-click copy
- HTML to MarkdownConvert HTML to Markdown in one click: headings, lists, tables, code blocks and links, all processed locally
- Text ToolkitToolkitAll-in-one text toolkit: diff, count, case, dedupe, replace, markdown, sort, reverse, slug
- Morse CodeConvert text and Morse code both ways, with audio playback
- Roman Numerals ConverterConvert Arabic numbers and Roman numerals both ways, with symbol breakdown and batch mode
- Emoji TranslatorConvert text to emoji, decode emoji meanings, and search a 200+ bilingual emoji dictionary
- Chinese to PinyinConvert Chinese to pinyin with tone marks, tone numbers or no tones, space-separated, mixed-text friendly
- Number to ChineseConvert Arabic numbers to Chinese capital figures — amount and plain number modes
- Markdown PreviewRender Markdown to HTML in real time, with export and one-click copy
- Text to SpeechConvert text into natural speech in real time with multilingual voices and adjustable rate, pitch and volume
- Fancy Text GeneratorTurn text into 33 Unicode fancy fonts — bold, italic, script, circled, fraktur, subscript — copy and paste anywhere: nicknames, bios, captions
- PDF ToolkitToolkitAll-in-one PDF toolkit: compress, encrypt, merge/split, watermark, to image/text
- Image ToolkitToolkitAll-in-one image toolkit: compress, resize, crop, rotate, convert, base64, EXIF, colors
- GIF ToolkitToolkitAll-in-one GIF toolkit: make, split frames, compress — local only
- Image ViewerLocal image viewer: browse folder images recursively, lazy grid, hover-to-zoom, pan/zoom, slideshow
- Image EnhancerSharpen and upscale to make blurry images clearer
- Image WatermarkAdd text or logo watermarks to images with tiled or positioned layout, opacity and rotation
- Image StitcherMerge multiple images into one: vertical, horizontal or grid layout with unified width, spacing and background
- Image SplitterSplit one image into a 3x3 grid for social feeds, or 2x2 / custom rows and columns, with smart square center crop, all processed locally
- Image to PDFMerge images into one PDF: A4 / Letter / fit-to-image, auto orientation, margins and background, all processed locally
- SVG to ImageRender SVG vector art into PNG / JPG / WebP with custom output size and 2x/3x retina scale, transparent background and batch ZIP export, all processed locally
- Background RemoverRemove image backgrounds online: auto-detect the backdrop colour, keep the subject, tune tolerance and feathering, strip white halos and swap in a new solid colour, export transparent PNG locally
- Date ToolkitToolkitAll-in-one date toolkit: date difference and date add/subtract
- Unix Timestamp ConverterConvert between Unix timestamp and datetime
- Timezone ConverterConvert time between different timezones
- World ClockView real-time clocks for major global cities
- Age CalculatorCalculate precise age in days, months, and years
- Countdown TimerSet a target time for countdown, fullscreen supported
- Online StopwatchOnline stopwatch with lap time recording
- Tax CalculatorCalculate salary, social insurance and personal income tax
- Mortgage CalculatorCalculate mortgage monthly payment, interest and repayment plan
- Currency ConverterConvert between CNY, USD, EUR and other major currencies
- Unit ConverterConvert between length, weight, temperature, area, volume units
- BMI CalculatorCalculate BMI index and health assessment
- Discount CalculatorCalculate discounted price, supports percentage and fixed discounts
- Percentage CalculatorProportion, percent change, and percent of a number in one tool
- Daily Random ChooserDaily decision helper: Answer Book & Daily Fortune
- Tip CalculatorCalculate tip and per-person split from bill and tip percentage, multi-currency
- Barcode / QR ToolkitToolkitAll-in-one barcode/QR toolkit: generate and read
- Sheet ToolkitToolkitAll-in-one sheet toolkit: CSV ↔ Excel locally
- Random ToolkitToolkitAll-in-one random toolkit: number, lucky draw, dice, list shuffle
- IP LookupLook up IP address geolocation and network info
- File Size ConverterConvert between byte, KB, MB, GB, TB file size units
- User-Agent ParserParse browser User-Agent string, identify device info
- Favicon GeneratorTurn an image or text into a full 16x16-512x512 favicon set, export ICO, PNG, ZIP bundle and HTML tags
- Phone Number ParserParse and format international phone numbers, identify country/region, calling code and number type
- Password Strength CheckerCheck password strength and security in real time with entropy scoring and weak-password rules — all computed locally
- CalculatorOnline scientific calculator: arithmetic, parentheses, powers and common math functions like sin/cos/tan/√/log/ln, with live results
- AI TranslatorAI Chinese-English translator with auto direction detection and business, casual, academic, literary styles
- AI SummarizerAI text summarizer: distill long text into key points with brief, standard or detailed lengths, Chinese/English output
- AI PolisherAI copy polisher: rewrite drafts in formal, friendly, concise or literary styles
- AI Email AssistantAI email writer: enter key points and pick a tone to generate a complete email with subject, body and signature placeholder
- AI Service Reply AssistantAI 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
- AI Name GeneratorAI name generator: baby, brand, shop, nickname, game ID and pet names — describe your needs in one sentence, get 10 candidates with meanings
- AI Weekly Report GeneratorAI weekly report generator: paste your weekly bullet points and get a structured report (done/highlights/issues/next week), adjustable tone
- AI Resume OptimizerAI resume optimizer: paste your resume and optimize it for your target role with full rewrite, wording polish, STAR structure or quantified results
- AI Seeding Copy GeneratorAI seeding copy generator: enter product highlights and get 3 different-angle copies for Xiaohongshu, Moments, e-commerce or short-video scripts in 4 tones
- AI Viral Headline GeneratorAI viral headline generator: describe your topic and get 5 headlines from different angles for WeChat, Xiaohongshu, Douyin or Toutiao in 5 styles
- AI Meeting Minutes GeneratorAI meeting minutes generator: paste meeting notes to get structured minutes with key decisions, action items and open questions, in brief or detailed style