All tools
70 online tools — browse by category or search
- JSON / XML FormatterPaste to auto-detect JSON or XML and format instantly, with line numbers, syntax highlighting and node folding
- JSON ToolkitAll-in-one JSON toolkit: format, validate, minify, YAML and CSV conversion
- Crypto ToolkitAll-in-one crypto toolkit: MD5, SHA, AES
- Generator ToolkitAll-in-one generator toolkit: password, UUID, NanoID
- Encode ToolkitAll-in-one encode toolkit: Base64, URL, HTML, Unicode
- Regex ToolkitAll-in-one regex toolkit: tester, template library and match details
- JWT DecoderDecode JWT Token to view Header and Payload
- Base Convert ToolkitAll-in-one base convert toolkit: number bases, text to binary
- Lorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text, Chinese supported
- XML ToolkitAll-in-one XML toolkit: JSON to XML, format, XML to JSON
- HTML PreviewLive preview of HTML code rendering with sandbox isolation
- Cron Expression ParserParse cron expressions into a readable description with upcoming run times
- SQL FormatterFormat SQL statements with multiple dialects and keyword casing options
- 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
- CSS FormatterFormat or minify CSS with beautify/minify modes and multiple indents
- Code FormatterFormat or minify JavaScript / TypeScript / JSX / TSX / HTML with beautify/minify modes and multiple indents
- 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
- Image CompressorCompress image file size
- Image ConverterConvert image formats (PNG, JPG, WebP, etc.)
- Text ToolkitAll-in-one text toolkit: diff, count, case, dedupe, replace, markdown, sort, reverse, slug
- Color PickerPick and select colors online
- Image ResizerResize image width, height and aspect ratio
- Color ConverterConvert between color formats (HEX, RGB, HSL, etc.)
- Color ToolkitAll-in-one color toolkit: palette generation and gradient builder
- Image to Base64Convert images to/from Base64 encoding
- Image CropCrop images online, freely select crop area
- Image ViewerLocal image viewer: browse folder images recursively, lazy grid, hover-to-zoom, pan/zoom, slideshow
- Image Rotate & FlipRotate and flip images online, any angle supported
- Image Color ExtractorExtract dominant colors and palette from images
- Image EXIF ViewerView image EXIF metadata information
- Color Contrast CheckerCheck foreground/background contrast ratio against WCAG standards
- Color Name FinderFind the closest color name by color value
- 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
- Unix Timestamp ConverterConvert between Unix timestamp and datetime
- Date ToolkitAll-in-one date toolkit: date difference and date add/subtract
- 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
- QR Code GeneratorGenerate QR code from text or URL
- Random ToolkitAll-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
- Barcode GeneratorGenerate CODE128/EAN-13/UPC and 9 more barcodes, export PNG and SVG
- QR Code ReaderDecode QR codes from an image or live camera, multi-code and inverted scan supported
- 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