SoloTools

SoloTools directory

All Free Online Tools

Browse 125 working calculators and browser-based utilities.

Calculators

Everyday, finance, health-estimate, business, date, salary, and freelance calculators.

31 tools

Category page ->
Salary to Hourly CalculatorPercentage CalculatorDiscount CalculatorProfit Margin CalculatorLoan CalculatorAge CalculatorDate Difference CalculatorVAT CalculatorFreelance Hourly Rate CalculatorProject Price CalculatorFreelance Income CalculatorBMI CalculatorBMR CalculatorCalorie CalculatorTip CalculatorCompound Interest CalculatorSimple Interest CalculatorMortgage CalculatorROI CalculatorBreak-even CalculatorFuel Cost CalculatorSales Tax CalculatorCommission CalculatorSavings Goal CalculatorPay Raise CalculatorTime Duration CalculatorSpeed CalculatorPace CalculatorElectricity Cost CalculatorMean Median Mode CalculatorRatio Calculator

Image Tools

Convert, compress, resize, crop, rotate, flip, and adjust images.

17 tools

Category page ->
Image ConverterJPG to PNGPNG to JPGJPG to WebPPNG to WebPWebP to JPGWebP to PNGImage CompressorImage ResizerImage CropperRotate ImageFlip ImageGrayscale ImageImage Brightness & ContrastSepia ImageInvert ImageBlur Image

PDF Tools

Convert, compress, organize, edit, inspect, and create PDF files.

22 tools

Category page ->
Merge PDFSplit PDFExtract PDF PagesRemove PDF PagesOrganize PDFRotate PDFReorder PDF PagesCompress PDFCrop PDFAdd Page NumbersWatermark PDFSign PDFPDF Metadata EditorPDF to JPGPDF to PNGImages to PDFJPG to PDFPNG to PDFPDF Page Counter & InfoReverse PDF PagesDuplicate PDF PagesInsert Blank PDF Page

Text Tools

Count, clean, sort, and transform text directly in your browser.

14 tools

Category page ->
Word CounterCharacter CounterCase ConverterSlug GeneratorDuplicate Line RemoverText SorterLine CounterSentence CounterParagraph CounterWhitespace RemoverText ReverserFind and ReplaceWord Frequency CounterText Repeater

Developer Tools

Format, encode, decode, generate, convert, and validate development data.

20 tools

Category page ->
JSON Formatter & ValidatorURL Encoder & DecoderBase64 Encoder & DecoderUUID GeneratorQR Code GeneratorPassword GeneratorRandom Number GeneratorSHA-256 GeneratorUnix Timestamp ConverterJSON to CSV ConverterCSV to JSON ConverterXML FormatterSHA-1 GeneratorSHA-512 GeneratorHTML Encoder & DecoderJWT DecoderQuery String ParserHex Text ConverterNumber Base ConverterRegex Tester

Unit Converters

Convert length, weight, temperature, area, volume, and digital storage units.

6 tools

Category page ->
Length ConverterWeight ConverterTemperature ConverterArea ConverterVolume ConverterData Storage Converter

Color Tools

Convert colors, check contrast, create gradients, palettes, and random colors.

5 tools

Category page ->
Color ConverterColor Contrast CheckerCSS Gradient GeneratorColor Palette GeneratorRandom Color Generator

Time Tools

Use countdowns, a stopwatch, Pomodoro sessions, and date countdown tools.

4 tools

Category page ->
Countdown TimerOnline StopwatchPomodoro TimerDays Until Calculator

Web Tools

Generate website metadata, robots files, sitemaps, favicons, and work with direct image URLs.

6 tools

Category page ->
Online Image DownloaderMeta Tag GeneratorRobots.txt GeneratorXML Sitemap GeneratorOpen Graph Meta GeneratorFavicon Generator