TOOLKIT
Everyday online tools,
all in one place
Developer, image, text and calculation tools — all running locally in your browser, with no data sent to any server. Free, no login required.
Image Tools
More →✂Image Cropper / ResizerCrop, scale and resize — avatars & ID photos🗜Image CompressorCompress JPG/PNG/WebP locally, tune quality & size🖼Image to Base64Convert images to Base64 / Data URL for CSS💧Image WatermarkAdd text/image watermark, tile & adjust opacity🪄Background Remover / SignatureRemove white/solid background → transparent signature/logo PNG🔄Image Format ConverterHEIC/PNG/JPG/WebP convert, iPhone HEIC → JPG🧩Image Stitch / Long ImageStitch images vertically/horizontally into a long image🎞GIF MakerTurn images into an animated GIF, tune fps/loop🪪ID Photo BackgroundAI cutout, swap red/blue/white ID-photo background🖌Doodle / AnnotateDraw freely or annotate screenshots, export PNG🧊3D Model ViewerPreview STL/OBJ/GLTF/GLB/PLY — rotate & zoom📊3D Chart GeneratorTurn data into rotatable 3D bar/scatter/surface
Text Tools
More →🔤Word CounterLive count of words, characters, lines, paragraphsAaCase ConverterUPPER / lower / camelCase / snake / kebab≡Text Dedupe / SortDedupe, sort and strip blank linesM↓Markdown PreviewLive preview of rendered Markdown繁Chinese ConverterConvert Traditional ↔ Simplified Chinese🔊Text to SpeechRead text aloud — voice, rate & pitch░ASCII Art TextTurn text into big ASCII art, many fonts🎲Fake Data GeneratorGenerate fake names/phones/emails/addresses
Calculate / Convert
More →🎨Color ConverterHEX / RGB / HSL convert + color picker0bNumber Base ConverterBinary / octal / decimal / hex convert%Percentage CalculatorRatios, growth rate, discounts and more⇄Unit ConverterLength/weight/area/temp/speed/data convert⚖BMI / Health CalculatorBMI, BMR and daily calorie needs📅Date CalculatorDate diff, N days later, age, countdown🏦Loan / Mortgage CalculatorEqual payment/principal, monthly & total interest¥Amount in WordsNumber to Chinese capital amount🌐World Clock / TimezoneCompare city timezones, convert times🎂Age / Zodiac / SignBirthday → age, Chinese zodiac & sign
Utilities
More →▦QR Code GeneratorMake QR codes for text/links/WiFi, download PNG✳Password GeneratorGenerate strong random passwords with strength meter🎲Random / Picker / WheelRandom numbers, name picker, dice, wheel⊡QR Code ScannerDecode QR from image or camera🎵Metronome / TimerAdjustable BPM metronome + countdown timer🔉White Noise / FocusWhite/pink/brown noise & rain for focus▭Business Card MakerLayouts, avatar/logo, QR, front & back
Developer Tools
More →{ }JSON Formatter / ValidatorBeautify, minify and validate JSON, pinpoint syntax errors64Base64 Encode / DecodeConvert text to/from Base64, full UTF-8 support%URL Encode / DecodeencodeURIComponent / decode both ways⏱Timestamp ConverterConvert Unix timestamps to/from dates, ms support#UUID GeneratorGenerate UUID v4 in bulk, one-click copy🔑JWT DecoderDecode JWT header and payload claims.*Regex TesterLive match highlight, groups, replace preview⏲Cron Expression ParserExplain cron in plain English + next run times±Text DiffCompare two texts or code line by line⇄JSON / CSV / YAML ConvertConvert between JSON, CSV and YAML#Hash MD5 / SHAMD5, SHA-1/256/512 of text or files◑CSS Gradient GeneratorVisually build linear/radial gradient CSS◰CSS Shadow GeneratorTune box-shadow visually, copy CSS