Private tools for everyday files.

Convert data, images, PDFs and colors without uploading a thing.

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Device TestsHeadphone & Speaker TestPlay a short tone in the left, right or both audio channels.

Device TestsMicrophone TestCheck microphone input and hear a short local recording.

Generators & ConvertersEra Year ConverterConvert Gregorian years, Japanese eras, Minguo years and Thai Buddhist years.

Generators & ConvertersRandom WheelSpin a wheel to pick from your own options.

Text & DataJSON FormatterFormat and validate JSON data.

Text & DataText CompareCompare two texts and highlight added or removed lines.

Text & DataBase64 Encode / DecodeEncode or decode Unicode text safely.

Text & DataURL Encode / DecodeEncode or decode URL components.

Text & DataCSV to JSONConvert CSV rows into JSON objects.

Text & DataJSON to CSVConvert flat JSON records into clean CSV.

Text & DataWord & Character CounterCount words, characters, sentences and reading time.

Device TestsKeyboard TesterCheck keys, combinations and browser keyboard events.

Device TestsMouse TesterCheck mouse buttons, scrolling and pointer movement.

Device TestsDead Pixel TesterCheck a screen for dead, stuck and bright pixels.

Device TestsGamepad TesterCheck controller buttons, triggers, sticks and center drift.

Generators & ConvertersWorld Currency ConverterConvert currencies using current reference rates.Loading your local USD rate…

Generators & ConvertersQR Code GeneratorCreate downloadable QR codes for links, Wi-Fi and more.

Text & DataInvisible Character DetectorReveal hidden Unicode characters and optionally remove emoji.

ImageImage ConverterConvert JPG, PNG and WebP images.

ImageImage ResizeResize images to custom dimensions.

ImageImage EditorCrop, rotate and flip an image.

ImagePixel Art PatternTurn an image into an editable bead or pixel-art pattern.

ImageImage CompressorReduce JPG, PNG and WebP file sizes.

PDFMerge PDFCombine multiple PDF files in order.

PDFPDF Page ManagerExtract, delete and reorder PDF pages.

PDFPDF SplitterSplit a PDF into separate files by range or page count.

PDFImages to PDFCombine ordered images into one PDF.

PDFRotate PDFRotate every page in a PDF clockwise or counterclockwise.

ColorColor ConverterConvert HEX, RGB, RGBA and HSL in one place.

ColorImage Color PickerPick exact pixel colors from a local image.

ColorContrast CheckerCheck color pairs against WCAG AA and AAA.