Tool directory/76 tools

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Focused browser tools for data, images, text, numbers, and everyday work.

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Encoding RepairTextRepair reversible mojibake with an explicit encoding path and byte report.

Unicode Text StylerTextCreate copyable Unicode styles while preserving unsupported characters and emoji.

Unicode Confusable CheckerTextCompare Unicode skeletons and inspect look-alike characters without changing your input.

Number to Words ConverterNumbersSpell exact numbers in eight languages, or convert complete English cardinal words back to integers.

Pet Age CalculatorDates & timeCompare approximate cat or dog ages with human years using an explicit, reversible model.

Fractal GeneratorGeneratorsDraw recursive curves, trees and sets, then export SVG or PNG.

L-System GeneratorGeneratorsEdit rewrite rules, draw turtle graphics and inspect the expanded word.

Clock VisualizerDates & timeDraw analog or digital time, compare hand angles and mirror a clock.

Life CalendarDates & timeVisualize a chosen planning horizon in weeks or months.

Interval VisualizerDates & timeDraw date or clock-time ranges and points on a shared axis.

Image EffectsImagesBlur, sharpen, dither, pixelate or redact an image locally.

Image Color ToolsImagesReplace colors, remove a color key and inspect or rebuild alpha channels.

Image AnalyzerImagesCount colors, inspect pixels, transparency, dimensions and file bytes.

Image Base64 Encoder & DecoderImagesConvert images to Base64 or data URIs and recover the original file.

Image GeneratorImagesCreate solid, transparent, gradient, random, text or raw-pixel images.

Image SplitterImagesSplit images into exact rows, columns, strips or fixed-size tiles.

Image to ASCII ArtImagesTurn image brightness into copyable text or a PNG of characters.

Bitmap ConverterImagesConvert BMP and common images with explicit 1/4/8/16/24/32-bit output.

GIF Maker & Frame ToolsImagesMake GIFs, extract full frames and convert sprite sheets locally.

Image TransformerImagesShift, skew, mirror, shuffle, sort, distort or annotate an image.

Image ConverterImagesConvert static PNG, JPEG and WebP images locally, with quality controls and a chosen JPEG background.PNGJPGWebP

PNG CompressorImagesOptimize a static PNG with full-color encoding or a reduced color palette, and compare the actual file size.PNG

Image ResizerImagesResize by pixels or percentage, keep proportions and prevent accidental enlargement.

Image CropperImagesCrop with an exact pixel rectangle or drag a selection, with centered aspect-ratio presets.

Image Rotator & FlipperImagesRotate by exact quarter turns or any angle, and flip horizontally or vertically.

Image Filters & AdjustmentsImagesAdjust brightness, contrast, saturation, hue and opacity, or apply grayscale, sepia and inversion.

Text Watermark MakerImagesAdd a one-line text watermark with position, color, opacity and proportional text size.

Image Border & Rounded CornersImagesAdd outer padding, choose a solid or transparent margin, and round the image’s corners.

Random Picker & List ShufflerGeneratorsPick entries, shuffle a list or create balanced random groups without uploading the list.LISTRNG

Random Number GeneratorGeneratorsGenerate integers, exact decimal samples, primes, fractions or integer matrices in a chosen range.

Random String & Byte GeneratorGeneratorsCreate batches from custom characters, printable ASCII, Unicode ranges or random bytes.

Password GeneratorGeneratorsGenerate local character passwords or PINs with explicit length and character rules.

Random Test Data GeneratorGeneratorsGenerate typed test records as JSON, CSV, TSV or XML, including nested objects and arrays.

Random Date & Time GeneratorGeneratorsSample calendar dates, clock times or UTC Unix seconds, with optional date and clock perturbation.

Unix Timestamp ConverterDates & timeConvert timestamps and dates in batches, with explicit seconds, milliseconds, microseconds or nanoseconds.UNIXUTC

Date Difference CalculatorDates & timeCount calendar days, include the end date, or measure actual elapsed time across time zones.

Date CalculatorDates & timeAdd or subtract years, months, weeks and days with an explicit rule for missing month-end dates.

Time Zone ConverterDates & timeConvert local date-times between IANA time zones and resolve skipped or repeated daylight-saving times explicitly.

Duration ConverterDates & timeConvert, sum or subtract fixed durations, including decimal units, ISO 8601 and HH:MM:SS.

Calendar GeneratorDates & timeCreate a month or year calendar, choose the week start, and save an accessible printable calendar.

Date & Time FormatterDates & timeConvert and validate explicit date or clock formats, sort a batch, and inspect calendar facts.

Date Sequence GeneratorDates & timeGenerate date ranges, monthly schedules, clock times or exact Unix timestamp sequences.

Fraction CalculatorNumbersAdd, subtract, multiply, divide and simplify fractions with exact results and decimal previews.

Matrix CalculatorNumbersFind determinants, inverses and products using exact fractions. Paste matrices and export tab-separated results.

Number Sequence GeneratorNumbersGenerate exact Fibonacci, Lucas, arithmetic, geometric and custom recurrence sequences without losing large digits.

Prime Number CalculatorNumbersCheck primes, factor integers, list divisors and generate neighboring primes with strict input validation.

Number List CalculatorNumbersSum decimals exactly, calculate statistics, sort large numbers and filter a numeric list.

Math Constants GeneratorNumbersGet up to 1000 decimal digits of pi, e or the golden ratio, or extract a selected digit window.

Exact Integer CalculatorNumbersAdd, subtract, multiply and divide large integers. Find GCD, LCM and running totals with exact results.

Bitwise CalculatorNumbersCalculate AND, OR, XOR, complements, shifts and rotations with an explicit bit width and signed interpretation.

Integer & Digit ToolsNumbersReverse, rotate, sort and inspect digits. Filter odd or even integers and format thousands without rounding large values.

Binary Code ConverterNumbersConvert reflected Gray code, 8421 BCD and negabinary alongside binary, decimal, octal and hexadecimal.

Roman Numeral ConverterNumbersConvert numbers from 1 to 3999 to Roman numerals and validate Roman notation in the other direction.

IP Address ConverterNumbersConvert IPv4 and IPv6 to binary, hexadecimal, decimal or octal, and convert numeric representations back to addresses.

Color ConverterNumbersConvert CSS HEX, RGB, HSL and named colors. Preview each color and preserve its alpha channel.

Text Encoder & DecoderTextConvert text, Unicode code points, UTF bytes, Base64, URL encoding and HTML entities locally. Catch malformed data before copying or downloading it.UTF-8Base64HEX

Unicode Text NormalizerTextNormalize text with NFC, NFD, NFKC or NFKD. Compare forms, optionally remove marks or transliterate to ASCII, and keep the original available for undo.NFCNFDNFKC

Unicode Text ToolsTextReverse, split, repeat, pad and rotate text by complete graphemes. Keep emoji intact, or use explicit code point modes for ranges and numeric shifts.UnicodeTEXT

ASCII Table & Text ValidatorTextSearch all 128 standard ASCII codes in decimal, hex, octal and binary. Validate text and locate every non-ASCII character with its exact input offset.ASCII0–127

Morse Code TranslatorTextTranslate text and International Morse code, hear correct dot/dash timing, and export WAV. Unknown characters and signal groups receive precise errors.MORSEWAV

JSON FormatterDataFormat, validate, and minify JSON in your browser.JSON{ }

YAML ValidatorDataCheck YAML syntax and locate structural errors.YAMLYML

XML BeautifierDataIndent and clean up XML for easier reading.XML</>

CSV EditorDataEdit, validate, clean, and format CSV in a spreadsheet grid.

TSV EditorDataEdit and validate tab-separated data locally.

CSV ConverterDataConvert CSV, TSV, JSON, XML, YAML, and encoded text.

CSV CompareDataFind row and field differences between CSV files.CSVDIFF

Text Case ConverterTextSwitch between upper, lower, title, and sentence case.AaaAAA

Unicode Character InspectorTextInspect code points, UTF-8 bytes, UTF-16 offsets and grapheme counts. Reveal invisible characters and bidirectional controls without changing your text.UnicodeUTF-8

Number Base ConverterNumbersConvert integers, finite fractions and repeating fractions between bases 2–36 with exact arithmetic.BINDECHEX

Math EvaluatorNumbersCalculate expressions with a readable result history.ƒ(x)∑

JSON FlattenerDataFlatten or unflatten JSON and extract paths, keys, or values.JSONPATH

List CleanerTextRemove duplicates and empty items, filter values, and inspect frequencies.LISTCLEAN

List SorterTextSort naturally, alphabetically, numerically, by length, or frequency.LISTSORT

List FormatterTextAdd prefixes, suffixes, quotes, bullets, counters, and separators.LISTTEXT

List GeneratorGeneratorsCreate exact-length number, letter, or custom-item sequences.LISTSEQ

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