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Format JSON, decode JWTs, generate IDs, compare text, convert time zones, and prepare images — all in your browser.

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Data

JSON CleanerClean over-escaped JSON from logsData JSON FormatterFormat, minify, and validate JSONData JWT DecoderDecode JWTs and verify HS256 signaturesData Table BuilderBuild tables and export CSV, TSV, Markdown, or JSONData Table Format ConverterConvert Markdown, CSV, TSV, and Excel tablesData Token BuilderBuild JWTs from header and payloadData URL Encoder/DecoderEncode and decode URLs and query paramsData

IDs

Bulk UUID GeneratorGenerate up to 1,000 UUID v4 or v7 valuesIDs GUID GeneratorGenerate UUID v4 or v7 and validate IDsIDs GUID vs UUIDCompare GUID and UUID naming and formatsIDs UUID v4 / v7 GeneratorGenerate random v4 or time-ordered v7 UUIDsIDs UUID ValidatorCheck UUID format, version, and variantIDs

Text & Diff

Diff ToolCompare text and highlight differencesText & Diff Mermaid PreviewLive Mermaid preview with spacing and zoomText & Diff Text Case ConverterConvert lowercase, title case, camelCase, and moreText & Diff Text SorterSort lines alphabetically or numericallyText & Diff

Time

Meeting PlannerFind overlap across team time zonesTime Time Zone ConverterConvert times between time zonesTime Timestamp ConverterConvert Unix timestamps to datesTime UTC Time ConverterConvert between local time and UTCTime

Images & Color

Brand Palette ExtractorExtract and export colors from an imageImages & Color Color PickerPick, tune, save, and copy colorsImages & Color Color StashSave, name, and copy colorsImages & Color Image CompressorReduce image size as WebP, JPEG, or PNGImages & Color Image CropperCrop images for icons and social sizesImages & Color Retina Asset ExportExport @1x, @2x, and @3x image setsImages & Color UI Palette BuilderTurn one color into UI tokensImages & Color

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