Free Online Toolbox

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or drag an image to instantly get Data URL and pure bas...LSB Steganography ExtractorRecover hidden text from the least significant bits of stego...LSB Image SteganographyUpload an image to see its capacity, embed secret text into ...File MD5 Checksum & Verify OnlineCompute the MD5 of any file instantly and compare it against...Batch File MD5 Checksum ToolUpload multiple files at once to compute MD5 hashes in batch...Online JS ObfuscatorBrowser-local JavaScript obfuscation powered by javascript-o...Pro JS Obfuscator AdvancedHigh-strength obfuscation plus authorized-domain binding, th...English Letter Case ConverterConvert text to UPPERCASE or lowercase in one click, with mi...Chinese/English Symbol ConverterConvert full-width and half-width punctuation both ways: com...Online Emoji RemoverIntelligently detect and strip all emoji and variation selec...Online Word CounterInstantly analyze total characters, characters without space...Literal Newlines to Real LinesRestore literal \n and 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px based on a customizabl...Font Size Unit ConverterConvert across px, pt, em, rem and percent font sizes with p...Number Base ConverterEnter any number to instantly get binary, octal, decimal and...Shoe Size ConverterCross-reference CN, EU, US men's/women's, UK sizes and foot ...RMB Amount in Chinese WordsConvert numeric amounts into standard financial Chinese uppe...Blood Type Inheritance CalculatorPredict possible child blood types from parents' ABO types b...Image Brightness AdjusterAdjust image brightness with a live-preview slider and pixel...Image Contrast AdjusterBoost or reduce tonal contrast with a live slider to revive ...Image Saturation AdjusterRaise vividness or dial down to grayscale with live preview ...Image HSL Color AdjusterRotate hue and tune saturation plus lightness together with ...Image Warmth AdjusterShift white balance warm (red/amber) or cool (blue/cyan) wit...Image Highlight AdjusterBrighten or tame only the bright regions without touching sh...Image 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