https://www.lccmw.com/en/ A curated set of 2226 free browser utilities for JSON, encoding, hashing, images, units, dates and SEO. Everything computes locally, so nothing is uploaded. en Tue, 10 Nov 2026 23:53:58 +0800 Kongzi static builder © 2026 Kongzi Business Web https://www.lccmw.com/en/cat/dev.htmlhttps://www.lccmw.com/en/cat/dev.htmlJSON, code formatting, regex testing and developer helpers — 69Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/crypto.htmlhttps://www.lccmw.com/en/cat/crypto.htmlMD5, Base64, AES, URL encoding and hash digests — 37Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/text.htmlhttps://www.lccmw.com/en/cat/text.htmlCounting, replacing, dedupe, case and symbol handling — 45Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/convert.htmlhttps://www.lccmw.com/en/cat/convert.htmlLength, area, weight, temperature and data storage — 1318Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/datetime.htmlhttps://www.lccmw.com/en/cat/datetime.htmlTimestamps, date intervals, countdowns and calendars — 51Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/image.htmlhttps://www.lccmw.com/en/cat/image.htmlCompress, convert, resize and pick colors from images — 48Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/web.htmlhttps://www.lccmw.com/en/cat/web.htmlPalettes, gradients, color conversion and CSS generators — 32Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/life.htmlhttps://www.lccmw.com/en/cat/life.htmlHealth, finance, documents and everyday lookups — 123Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/seo.htmlhttps://www.lccmw.com/en/cat/seo.htmlEncoding checks, robots, TDK and site diagnostics — 21Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/qr.htmlhttps://www.lccmw.com/en/cat/qr.htmlQR generation, styling, barcodes and scenario encoders — 11Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/media.htmlhttps://www.lccmw.com/en/cat/media.htmlMedia info, audio trimming, image to PDF, recording — 19Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/cat/pdf.htmlhttps://www.lccmw.com/en/cat/pdf.htmlMerge, split, extract, delete, rotate, watermark, number, encrypt PDFs — 16Tue, 10 Nov 2026 23:53:58 +0800categories https://www.lccmw.com/en/tools/json-formatter.htmlhttps://www.lccmw.com/en/tools/json-formatter.htmlFree online JSON formatter and validator: beautify, minify, sort keys, detect syntax errors with line numbers. Runs entirely in your browser.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/json-minify.htmlhttps://www.lccmw.com/en/tools/json-minify.htmlCompress JSON into a single line or escape it as a backslash string, ready to embed in source code or configs.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/json-to-entity.htmlhttps://www.lccmw.com/en/tools/json-to-entity.htmlGenerate Java entity classes from JSON with automatic camelCase fields, nested object and array support.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/json-diff.htmlhttps://www.lccmw.com/en/tools/json-diff.htmlCompare two JSON documents and list added, removed and changed keys — handy for API version checks and config review.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/js-formatter.htmlhttps://www.lccmw.com/en/tools/js-formatter.htmlFormat or minify JavaScript in one click: add readable indentation or strip whitespace and comments to shrink files.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/css-formatter.htmlhttps://www.lccmw.com/en/tools/css-formatter.htmlFormat or minify CSS instantly: readable indentation or one-line compressed output with comments stripped.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/html-formatter.htmlhttps://www.lccmw.com/en/tools/html-formatter.htmlBeautify messy HTML into a readable tree or compress it into a compact single line.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/sql-formatter.htmlhttps://www.lccmw.com/en/tools/sql-formatter.htmlTurn long one-line SQL into a cleanly indented statement with uppercase keywords for easier reading.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/xml-formatter.htmlhttps://www.lccmw.com/en/tools/xml-formatter.htmlIndent nested XML nodes or compress them into one line to inspect configs and API payloads quickly.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/regex-tester.htmlhttps://www.lccmw.com/en/tools/regex-tester.htmlTest regular expressions live with highlighted matches, capture groups and match positions, plus common flags.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/regex-generate.htmlhttps://www.lccmw.com/en/tools/regex-generate.htmlTurn a regular expression into ready-to-paste code snippets for Java, JavaScript, Python, PHP and Go.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/cron-generator.htmlhttps://www.lccmw.com/en/tools/cron-generator.htmlBuild cron expressions visually in second or minute mode, with a plain-language explanation of the schedule.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/user-agent.htmlhttps://www.lccmw.com/en/tools/user-agent.htmlInspect and parse your current user agent string into operating system, browser, engine and device type.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/url-parser.htmlhttps://www.lccmw.com/en/tools/url-parser.htmlBreak a URL into protocol, host, path and query parameters, with the parameters shown as a clean table.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/html-escape.htmlhttps://www.lccmw.com/en/tools/html-escape.htmlEscape special characters into HTML entities or decode entities back into plain text.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-diff.htmlhttps://www.lccmw.com/en/tools/text-diff.htmlCompare two texts line by line with added, removed and unchanged rows highlighted.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-to-base64.htmlhttps://www.lccmw.com/en/tools/image-to-base64.htmlConvert a local image into a Base64 data URI you can embed directly in HTML or CSS.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/md5.htmlhttps://www.lccmw.com/en/tools/md5.htmlGenerate an MD5 digest from any text in 32 or 16 characters, upper or lower case, computed locally in your browser.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/sha-hash.htmlhttps://www.lccmw.com/en/tools/sha-hash.htmlCompute SHA-1, SHA-256 and SHA-512 digests at once for integrity checks and API signature debugging.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/base64.htmlhttps://www.lccmw.com/en/tools/base64.htmlEncode or decode Base64 with UTF-8 support and an optional URL-safe alphabet.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/url-encode.htmlhttps://www.lccmw.com/en/tools/url-encode.htmlPercent-encode text for use in URLs or decode an encoded string back to readable text.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/base-converter.htmlhttps://www.lccmw.com/en/tools/base-converter.htmlConvert between binary, octal, decimal and hexadecimal instantly, with negative value support.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/hex-text.htmlhttps://www.lccmw.com/en/tools/hex-text.htmlConvert text to hexadecimal and back, with full UTF-8 support for non-ASCII characters.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/ascii.htmlhttps://www.lccmw.com/en/tools/ascii.htmlConvert characters to ASCII codes in decimal, hex or octal form and back again.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/utf8.htmlhttps://www.lccmw.com/en/tools/utf8.htmlInspect text as UTF-8 hex bytes or Unicode escapes to diagnose mojibake and encoding problems.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/unicode.htmlhttps://www.lccmw.com/en/tools/unicode.htmlConvert between Unicode escapes, HTML numeric entities and readable text.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/password-generator.htmlhttps://www.lccmw.com/en/tools/password-generator.htmlGenerate random passwords with custom length and character sets using cryptographically secure randomness.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-encrypt.htmlhttps://www.lccmw.com/en/tools/text-encrypt.htmlEncrypt text with your own passphrase locally and decrypt it later with the same key, without uploading anything.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/word-count.htmlhttps://www.lccmw.com/en/tools/word-count.htmlCount characters, CJK characters, English words, lines and paragraphs in real time, with a reading time estimate.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-replace.htmlhttps://www.lccmw.com/en/tools/text-replace.htmlBatch find and replace with plain text or regular expressions, case sensitivity control and live match counts.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-dedupe.htmlhttps://www.lccmw.com/en/tools/text-dedupe.htmlRemove duplicate lines from a list while keeping the first or last occurrence, with a duplicate count summary.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-numbering.htmlhttps://www.lccmw.com/en/tools/text-numbering.htmlPrefix every line with an incremental number, with custom start, step, separator and affixes.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-case.htmlhttps://www.lccmw.com/en/tools/text-case.htmlConvert letter case in five ways: upper, lower, sentence case, title case and inverted case.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-width.htmlhttps://www.lccmw.com/en/tools/text-width.htmlConvert full-width characters to half-width and back, fixing validation failures and inconsistent typography.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/symbols.htmlhttps://www.lccmw.com/en/tools/symbols.htmlA categorised library of symbols — arrows, maths, currency, shapes and emoji — with one-click copy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-sort.htmlhttps://www.lccmw.com/en/tools/text-sort.htmlSort lines alphabetically, reverse, by length or numerically, with optional dedupe and blank removal.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-reverse.htmlhttps://www.lccmw.com/en/tools/text-reverse.htmlReverse characters, reverse each line, or reverse word order within lines.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-clean.htmlhttps://www.lccmw.com/en/tools/text-clean.htmlStrip blank lines, trim leading and trailing spaces and collapse repeated whitespace in one pass.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-extract.htmlhttps://www.lccmw.com/en/tools/text-extract.htmlExtract a range of lines from long text — the first N, last N or a specific span.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/hanzi-pinyin.htmlhttps://www.lccmw.com/en/tools/hanzi-pinyin.htmlConvert Chinese characters to pinyin with or without tone marks, or extract initials for indexes.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/rmb-words.htmlhttps://www.lccmw.com/en/tools/rmb-words.htmlConvert a numeric amount into formal Chinese financial wording with correct zero handling, ready for cheques and contracts.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/id-validate.htmlhttps://www.lccmw.com/en/tools/id-validate.htmlValidate Chinese 18-digit ID numbers against the national checksum and parse birth date, gender and region code.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-tolist.htmlhttps://www.lccmw.com/en/tools/text-tolist.htmlTurn each line into a comma separated list, quoted values or a SQL IN clause without manual quoting.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/text-freq.htmlhttps://www.lccmw.com/en/tools/text-freq.htmlCount how often each word appears and rank by frequency to reveal the core keywords of a text.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/random-name.htmlhttps://www.lccmw.com/en/tools/random-name.htmlGenerate random names for test data, with gender bias and surname options, all computed locally.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/email-gen.htmlhttps://www.lccmw.com/en/tools/email-gen.htmlGenerate test email addresses from names or prefixes with options for domain and numbering.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/id-parse.htmlhttps://www.lccmw.com/en/tools/id-parse.htmlExtract birth date, gender, region code and current age from an 18-digit ID number, fully offline.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/length-converter.htmlhttps://www.lccmw.com/en/tools/length-converter.htmlConvert between 10 length units: millimetre, centimetre, metre, kilometre, inch, foot, yard, mile and nautical mile.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/weight-converter.htmlhttps://www.lccmw.com/en/tools/weight-converter.htmlConvert between common mass units: milligram, gram, kilogram, tonne, ounce, pound and jin.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/area-converter.htmlhttps://www.lccmw.com/en/tools/area-converter.htmlConvert between area units from square millimetres to square kilometres, hectares, mu, square feet and acres.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/volume-converter.htmlhttps://www.lccmw.com/en/tools/volume-converter.htmlConvert between volume units including millilitre, litre, cubic metre, gallon, quart and pint.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/temperature-converter.htmlhttps://www.lccmw.com/en/tools/temperature-converter.htmlConvert between Celsius, Fahrenheit and Kelvin in real time with a reference table of common temperatures.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/speed-converter.htmlhttps://www.lccmw.com/en/tools/speed-converter.htmlConvert between metres per second, kilometres per hour, miles per hour, knots and Mach.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/datastore-converter.htmlhttps://www.lccmw.com/en/tools/datastore-converter.htmlConvert between bit, byte, KB, MB, GB, TB and the binary KiB, MiB, GiB units.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/pressure-converter.htmlhttps://www.lccmw.com/en/tools/pressure-converter.htmlConvert between pascal, kilopascal, megapascal, bar, atmosphere, psi and more.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/angle-converter.htmlhttps://www.lccmw.com/en/tools/angle-converter.htmlConvert between degrees, radians, gradians, arcminutes and arcseconds.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/time-converter.htmlhttps://www.lccmw.com/en/tools/time-converter.htmlConvert between milliseconds, seconds, minutes, hours, days, weeks, months and years.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/power-converter.htmlhttps://www.lccmw.com/en/tools/power-converter.htmlConvert between watt, kilowatt, megawatt, metric horsepower and imperial horsepower.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/unix-timestamp.htmlhttps://www.lccmw.com/en/tools/unix-timestamp.htmlConvert between Unix timestamps and readable dates, supporting seconds and milliseconds with live current time.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/date-calculator.htmlhttps://www.lccmw.com/en/tools/date-calculator.htmlCalculate the difference between two dates in days and weeks, or add and subtract days, weeks or months from a date.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/countdown.htmlhttps://www.lccmw.com/en/tools/countdown.htmlLive countdown to any date in days, hours and minutes for holidays, birthdays and milestones.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/date-interval.htmlhttps://www.lccmw.com/en/tools/date-interval.htmlShow the exact gap between two dates in years, months and days, plus total days and business days.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/age-calculator.htmlhttps://www.lccmw.com/en/tools/age-calculator.htmlCalculate exact age, Chinese nominal age, zodiac and constellation from a birth date, plus days to next birthday.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/beijing-time.htmlhttps://www.lccmw.com/en/tools/beijing-time.htmlDisplay the current Beijing time (UTC+8) and your local time to the second, useful for checking device clocks.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/lunar-converter.htmlhttps://www.lccmw.com/en/tools/lunar-converter.htmlConvert Gregorian dates to the Chinese lunar calendar with ganzhi year and zodiac, and back again.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/solar-terms.htmlhttps://www.lccmw.com/en/tools/solar-terms.htmlA reference table of the 24 Chinese solar terms with approximate Gregorian dates and meanings.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/world-clock.htmlhttps://www.lccmw.com/en/tools/world-clock.htmlCompare current time across major cities such as Beijing, New York, London and Tokyo with offsets.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/stopwatch.htmlhttps://www.lccmw.com/en/tools/stopwatch.htmlA stopwatch with start, pause, lap and reset, accurate to a hundredth of a second.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/festivals.htmlhttps://www.lccmw.com/en/tools/festivals.htmlA reference of Chinese traditional festivals, Gregorian holidays and international observances.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/time-diff.htmlhttps://www.lccmw.com/en/tools/time-diff.htmlCalculate the duration between two clock times, including across midnight, in hours, minutes and seconds.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-compress.htmlhttps://www.lccmw.com/en/tools/image-compress.htmlCompress JPG, PNG and WebP images locally by adjusting quality and dimensions, with before and after size comparison.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-convert.htmlhttps://www.lccmw.com/en/tools/image-convert.htmlConvert images between JPG, PNG and WebP with output quality control, all processed locally.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-resize.htmlhttps://www.lccmw.com/en/tools/image-resize.htmlResize images by pixels or percentage with aspect ratio locking, processed locally for privacy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-info.htmlhttps://www.lccmw.com/en/tools/image-info.htmlInspect image dimensions, file size, format, aspect ratio and colour information locally.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-watermark.htmlhttps://www.lccmw.com/en/tools/image-watermark.htmlAdd a custom text watermark to images with adjustable size, colour, opacity and position.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-filter.htmlhttps://www.lccmw.com/en/tools/image-filter.htmlAdjust brightness, contrast, saturation, greyscale and blur with live preview, rendered locally.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-color-picker.htmlhttps://www.lccmw.com/en/tools/image-color-picker.htmlClick anywhere on an image to read the pixel colour as HEX and RGB, ready to copy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-grid.htmlhttps://www.lccmw.com/en/tools/image-grid.htmlSplit an image into a 3×3, 2×2 or 4×4 grid and download each tile, ideal for social media posts.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/base64-to-image.htmlhttps://www.lccmw.com/en/tools/base64-to-image.htmlRestore an image from a Base64 string with or without the data URI prefix, then download it.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-to-pdf.htmlhttps://www.lccmw.com/en/tools/image-to-pdf.htmlCombine several images into one PDF in the chosen order with page and margin options, generated locally.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-round.htmlhttps://www.lccmw.com/en/tools/image-round.htmlAdd rounded corners and a soft shadow to images and export as PNG for cards and avatars.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/identicon.htmlhttps://www.lccmw.com/en/tools/identicon.htmlGenerate a deterministic pixel identicon from any text; the same input always yields the same pattern.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/color-palette.htmlhttps://www.lccmw.com/en/tools/color-palette.htmlGenerate monochromatic, complementary, triadic and tetradic palettes from a base colour, with one-click copy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/gradient-generator.htmlhttps://www.lccmw.com/en/tools/gradient-generator.htmlBuild CSS gradients visually with angle, colour stops and type controls, then copy the generated code.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/color-convert.htmlhttps://www.lccmw.com/en/tools/color-convert.htmlConvert colours between HEX, RGB, HSL, HSV and CMYK; enter any format to get all representations.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/color-shades.htmlhttps://www.lccmw.com/en/tools/color-shades.htmlGenerate a tint and shade ramp from a base colour to build hover states and interface hierarchy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/css-shadow.htmlhttps://www.lccmw.com/en/tools/css-shadow.htmlVisually tune offset, blur, spread and colour for box-shadow, preview live and copy the CSS.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/css-radius.htmlhttps://www.lccmw.com/en/tools/css-radius.htmlControl each corner independently for either standard rounded cards or organic blob shapes, with live preview and copy.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/web-safe-colors.htmlhttps://www.lccmw.com/en/tools/web-safe-colors.htmlThe classic 216 web safe colour palette with click-to-copy hex values.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/gradient-collection.htmlhttps://www.lccmw.com/en/tools/gradient-collection.htmlA curated set of well balanced gradients, each with copyable CSS.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/image-palette.htmlhttps://www.lccmw.com/en/tools/image-palette.htmlAnalyse an image to extract its dominant colours and suggest a palette, useful for deriving a scheme from a reference.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/contrast-checker.htmlhttps://www.lccmw.com/en/tools/contrast-checker.htmlCompute WCAG contrast between text and background colours and check accessibility thresholds.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/css-animation.htmlhttps://www.lccmw.com/en/tools/css-animation.htmlGenerate CSS keyframe animations such as fade, slide, scale and rotate with duration and delay controls.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/bmi-calculator.htmlhttps://www.lccmw.com/en/tools/bmi-calculator.htmlCalculate BMI from height and weight with a health range classification and ideal weight reference.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/mortgage-calculator.htmlhttps://www.lccmw.com/en/tools/mortgage-calculator.htmlCompare equal instalment and equal principal repayment with monthly payment, total interest and total cost.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/car-loan.htmlhttps://www.lccmw.com/en/tools/car-loan.htmlCalculate monthly payment and total interest from car price, down payment, term and rate.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/income-tax.htmlhttps://www.lccmw.com/en/tools/income-tax.htmlEstimate monthly income tax and take-home pay from salary and deductions.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/fuel-calculator.htmlhttps://www.lccmw.com/en/tools/fuel-calculator.htmlWork out litres per 100 km and cost per kilometre from fuel used and distance travelled.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/due-date.htmlhttps://www.lccmw.com/en/tools/due-date.htmlEstimate the due date and current gestational week from the first day of the last menstrual period.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/chinese-zodiac.htmlhttps://www.lccmw.com/en/tools/chinese-zodiac.htmlLook up the Chinese zodiac animal and earthly branch for any birth year, with a full reference table.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/star-sign.htmlhttps://www.lccmw.com/en/tools/star-sign.htmlFind your star sign and its date range from a birth date, with a full reference table.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/lucky-draw.htmlhttps://www.lccmw.com/en/tools/lucky-draw.htmlPick random winners from a list of candidates with a configurable count and no repeats.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/what-to-eat.htmlhttps://www.lccmw.com/en/tools/what-to-eat.htmlPick a random dish from a built-in library or your own list to end the daily indecision.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/morse-code.htmlhttps://www.lccmw.com/en/tools/morse-code.htmlTranslate between text and Morse code, covering letters, digits and common punctuation.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/roman-numeral.htmlhttps://www.lccmw.com/en/tools/roman-numeral.htmlConvert between Arabic numerals and Roman numerals in both directions, covering 1 to 3999.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/sleep-calculator.htmlhttps://www.lccmw.com/en/tools/sleep-calculator.htmlWork out optimal bedtimes and wake times in 90 minute sleep cycles to reduce grogginess.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/pomodoro.htmlhttps://www.lccmw.com/en/tools/pomodoro.htmlA 25 minute focus and 5 minute break cycle to keep momentum, running entirely in the page.Tue, 10 Nov 2026 23:53:58 +0800tools https://www.lccmw.com/en/tools/keyboard-test.htmlhttps://www.lccmw.com/en/tools/keyboard-test.htmlShow the key pressed, its code and modifier state in real time to diagnose dead or sticky keys.Tue, 10 Nov 2026 23:53:58 +0800tools