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JSON FormatterFormat, validate and clean up JSON data.XML FormatterFormat, minify and validate XML documents.CSV to JSONConvert CSV rows into structured JSON objects.UUID GeneratorGenerate secure RFC 4122 version 4 UUIDs.Regex TesterTest regular expressions and inspect every match.Unix Timestamp ConverterConvert Unix timestamps into readable dates.Base64 Encoder / DecoderEncode or decode text with Base64.URL Encoder / DecoderEncode or decode URLs and query values safely.HTML Entity Encoder / DecoderEscape or restore HTML special characters.Hash GeneratorCreate SHA-256, SHA-512 or MD5 hashes.Password GeneratorGenerate strong passwords with secure randomness.Random String GeneratorGenerate random text in several character sets.Image ResizerResize images without uploading them.Image CompressorReduce image size with quality control.Image CropperCrop images to exact pixel dimensions.PNG to JPGConvert PNG images to compact JPG files.JPG to PNGConvert JPG images to lossless PNG.PNG to WebPConvert PNG to modern WebP format.WebP to PNGConvert WebP images to PNG.JPG to WebPConvert JPG to smaller WebP images.WebP to JPGConvert WebP images to compatible JPG.SVG to PNGRender scalable SVG files as PNG.Image RotatorRotate images by 90°, 180° or 270°.Image FlipperFlip images horizontally or vertically.Word CounterCount words, characters, lines and sentences.Case ConverterChange text to upper, lower, title or sentence case.Remove Duplicate LinesKeep the first copy of every repeated line.Sort LinesSort text lines alphabetically in either direction.Reverse TextReverse characters, words or lines.Text to SlugCreate clean URL slugs from titles and text.Remove Extra SpacesCollapse repeated spaces while keeping line breaks.Find and ReplaceReplace matching text across an entire document.Trim LinesRemove spaces from the start and end of each line.Remove Empty LinesDelete blank lines from pasted text.Add Line NumbersPrefix every line with a readable number.Text RepeaterRepeat text with your chosen count and separator.HEX to RGBConvert hexadecimal colors to RGB values.RGB to HEXConvert red, green and blue values to HEX.HEX to HSLConvert HEX colors to hue, saturation and lightness.CSS Gradient GeneratorBuild multi-stop CSS gradients visually.Color Contrast CheckerCheck WCAG contrast for text and backgrounds.Percentage CalculatorSolve percentage values, ratios and changes.Aspect Ratio CalculatorScale width and height without distortion.Download Time CalculatorEstimate transfers from file size and connection speed.Age CalculatorCalculate age in years, months and days.BMI CalculatorCalculate body mass index in metric or imperial units.Date Difference CalculatorMeasure the time between two calendar dates.QR Code GeneratorCreate downloadable QR codes from text or links.Data Size ConverterConvert bits, bytes and storage units.Unit ConverterConvert length, weight and temperature units.JSON to CSVConvert JSON objects into clean CSV rows.JWT DecoderInspect JWT headers and payloads locally.Number Base ConverterConvert numbers between bases 2 and 36.URL ParserBreak URLs into readable components.UTM Link BuilderCreate campaign URLs with UTM parameters.Meta Tag GeneratorGenerate essential SEO meta tags.Open Graph GeneratorBuild social sharing meta tags.Robots.txt GeneratorCreate clear crawler directives and a sitemap link.Lorem Ipsum GeneratorGenerate placeholder paragraphs instantly.HTML Table GeneratorTurn CSV rows into escaped HTML tables.IPv4 Subnet CalculatorCalculate IPv4 networks, ranges and usable hosts.CIDR / Netmask ConverterConvert CIDR prefixes into masks and address counts.IPv4 Address ConverterConvert IPv4 addresses to decimal, hex and binary.IPv4 ValidatorValidate IPv4 syntax and identify its scope.MAC Address FormatterValidate and normalize common MAC address styles.Local MAC Address GeneratorGenerate random locally administered MAC addresses.Bandwidth ConverterConvert network rates from bps through Tbps.Common Port ReferenceSearch common TCP and UDP service ports.File ChecksumCalculate SHA-256 or SHA-512 checksums for files.File Info InspectorInspect local file name, size, type and date.CSV Delimiter ConverterSwitch CSV between comma, tab, pipe and semicolon.CSV Column ExtractorKeep selected columns from CSV data.JSON Key SorterSort object keys throughout JSON data.JSON StatisticsCount JSON objects, keys, values and depth.MIME Type LookupLook up common MIME types and file extensions.Time Zone ConverterConvert local times between major world zones.Date Add / SubtractAdd or subtract days, weeks, months or years.Business Days CalculatorCount weekdays and exclude custom holidays.ISO Week NumberFind the ISO week and week-based year.Day of Year CalculatorFind a date's ordinal day and year progress.Countdown CalculatorMeasure time remaining until a date and time.Time Duration CalculatorMeasure elapsed time between two clock times.Hours to DecimalConvert hours and minutes to decimal hours.Work Hours CalculatorCalculate net shift hours after breaks.Recurring Date GeneratorGenerate repeating calendar dates by interval.Average, Median & ModeCalculate core statistics for a number list.Standard Deviation CalculatorCalculate population or sample deviation.Fraction SimplifierReduce fractions to their lowest terms.GCD & LCM CalculatorFind greatest and least common values.Prime Number CheckerCheck whether an integer is prime.Prime FactorizationBreak an integer into prime factors.Scientific Notation ConverterConvert decimal and exponential number forms.Roman Numeral ConverterConvert numbers and canonical Roman numerals.Ratio SimplifierReduce two-part integer ratios.Secure Random Number GeneratorGenerate secure random integers in a range.Password Strength AnalyzerEstimate password structure and entropy locally.Content Security Policy BuilderBuild a restrictive CSP header template.Permissions Policy BuilderRestrict browser features with a response header.Security Headers AnalyzerInspect pasted HTTP security headers locally.SRI Hash GeneratorGenerate Subresource Integrity values.Merge PDFCombine multiple PDFs in your chosen order.Extract PDF PagesCreate a new PDF from selected pages.Delete PDF PagesRemove unwanted pages from a PDF.Rotate PDF PagesRotate all or selected PDF pages.PDF InfoInspect PDF pages, size and document metadata.Loan Payment CalculatorEstimate monthly loan payments and interest.Compound Interest CalculatorProject growth with recurring compounding.Simple Interest CalculatorCalculate non-compounding interest over time.Discount CalculatorFind a sale price and total savings.VAT CalculatorAdd or remove VAT from an amount.Profit Margin CalculatorCalculate profit, margin and markup.Break-Even CalculatorEstimate units needed to cover business costs.ROI CalculatorMeasure net return on total invested cost.Visual CSS EditorBuild CSS visually with a live isolated preview.CSS FormatterFormat compact CSS into readable blocks.CSS MinifierRemove CSS comments and unnecessary whitespace.Box Shadow GeneratorBuild layered CSS shadows with presets.Border Radius GeneratorCreate linked or individual corner radii.CSS Transform GeneratorCreate translate, rotate, skew and scale transforms.CSS Transition GeneratorBuild smooth CSS transitions visually.CSS Clamp CalculatorGenerate fluid CSS sizes between viewports.PX to REM ConverterConvert CSS pixels and rem units both ways.Media Query GeneratorBuild width and orientation media queries.