A collection of digital tools to help you work faster and easier. All 100% free.
Count whitespace-separated words, characters and lines, with an estimated reading time.
TextConvert text to uppercase, lowercase, title case or sentence case.
TextGenerate a chosen number of placeholder paragraphs for layouts and mockups.
TextBrowse the available emoji groups and click an emoji to copy it.
TextBrowse kaomoji groups and copy a text emoticon for messages.
TextBrowse and copy Unicode Roman numeral characters and inspect their numeric values.
TextConvert year numbers between Buddhist Era and Common Era using a 543-year offset.
ProductivityCalculate calendar age for a birth date and chosen reference date.
ProductivityCheck a Thai ID number's format and checksum without verifying its owner or issuance.
ProductivityEstimate take-home salary with the calculator's stated tax and deduction assumptions.
FinanceFind a percentage of a value, a percentage change or the ratio between two values.
FinanceSimulate credit-card repayment using entered interest, payment and new-purchase assumptions.
FinanceResize an image with optional aspect-ratio locking and JPEG, PNG or WebP export.
ConvertersCompare quality-adjusted JPEG or WebP exports and their actual file sizes.
ConvertersConvert supported integer amounts to English words and a check-style text format.
TextConvert a JSON array of objects into CSV text for copying or download.
DeveloperSet minutes and seconds for a countdown with start, pause and reset controls.
ProductivityGenerate a password with a chosen length and selected character groups.
ProductivityCompare current times for the fixed set of cities displayed by the tool.
ProductivityConvert storage quantities using fixed powers of 1024 and view the unit breakdown.
ConvertersConvert a length value into the supported measurement units.
ConvertersConvert currencies using daily reference rates; bank spreads and fees are excluded.
FinanceConvert images to JPEG, PNG or WebP with optional quality, grayscale and rotation settings.
ConvertersCreate a static QR from text or a URL and download PNG or SVG after checking the preview.
GeneratorsGenerate a barcode in a supported format and export it after validating the input.
GeneratorsBuild a campaign URL with source, medium, campaign and optional UTM parameters.
GeneratorsAdd options and spin a wheel to select an option for casual decisions.
FunSelect a color and copy HEX, RGB, HSL and other displayed color values.
DesignAdd or extract VAT using an editable rate and inspect the base, tax and total.
FinanceEstimate Thai salary-income tax with a fixed expense rule and your total allowances.
FinanceAdd priced items and divide the total equally by the number of people.
FinanceFormat, minify and check JSON syntax with selectable indentation in your browser.
DeveloperEncode UTF-8 text as Base64 or decode Base64 back to text; this is not encryption.
DeveloperEncode or decode a URL component using percent encoding.
DeveloperCompute MD5, SHA-1 and SHA-256 text digests for comparison, not password storage.
SecurityPreview basic Markdown headings, lists, emphasis, code and links while editing.
TextCompare two text inputs with an automatically updated line-by-line difference view.
TextCalculate a tip and divide the bill plus tip equally among diners.
FinanceCalculate adult BMI from weight and height using the displayed category thresholds.
ProductivityEstimate a fixed-rate monthly loan payment and total interest for a term in years.
FinanceConvert YAML to JSON or JSON to YAML, then inspect the resulting data types.
DeveloperCalculate age, days between dates, or a date after adding or subtracting a period.
ProductivityEstimate BMR, daily energy needs and a goal adjustment from the inputs you choose.
ProductivitySuggest bed or wake times using fixed 90-minute cycles and a 15-minute sleep-onset assumption.
ProductivityEstimate a due date from a last-period or conception date using a fixed calculation.
ProductivitySimulate savings growth with monthly contributions and a chosen constant compounding rate.
FinanceAdjust linear or radial gradient stops and copy the generated CSS.
DesignBuild layered CSS box shadows with offsets, blur, spread, color and inset options.
DesignAdjust individual corner radii in pixels or percentages and copy the CSS.
DesignGenerate color harmonies from a base color and copy palette values.
DesignBrowse the built-in Tailwind color table and copy a color or utility value.
DesignPreview approximate TikTok, Reels or Shorts overlays on a portrait image.
DesignRoll dice from notation such as 3d6 and inspect individual values and totals.
FunFlip a virtual coin or simulate a batch and inspect heads/tails counts.
FunGenerate integers within a chosen range, optionally without repeated values.
FunChoose Yes/No or pick from custom options for casual decisions.
FunAsk a question and receive a random entertainment response, not a prediction.
FunBuild a URL slug with selectable separators, case and length; Thai is transliterated.
TextCreate hashtag suggestions from the tool's built-in topic lists and your keywords.
GeneratorsBuild HTML metadata snippets from the page details you enter.
GeneratorsCreate a manual social-card mockup; this does not fetch metadata from a URL.
GeneratorsCheck YouTube title and description lengths and view illustrative text previews.
GeneratorsEstimate text length against the tool's Post, Reply and Bio limits before publishing.
TextEstimate daily water quantity from weight, activity and climate assumptions.
ProductivityEstimate exercise heart-rate bands from age, with an optional resting-heart-rate method.
ProductivityEstimate body-fat percentage from body measurements using the implemented Navy-style formula.
ProductivityConvert a calorie target and protein, carbohydrate and fat percentages into gram targets.
ProductivityEstimate a step target and walking distance from age, goal and stride-length assumptions.
ProductivityRun fixed work, short-break and long-break timers with optional sound alerts.
ProductivityTest JavaScript regular expressions with flags, match highlighting and capture groups.
DeveloperInspect JWT header and payload data without verifying its signature or authenticity.
DeveloperGenerate v4 or v7 UUIDs with quantity and output-format options.
DeveloperInspect five-field cron expressions and preview up to five times in the browser timezone.
DeveloperEncode HTML characters as named or numeric entities, or decode entities to text.
DeveloperGenerate a draft TypeScript interface from JSON and review the inferred types.
DeveloperConvert delimited text to JSON with delimiter selection and optional type inference.
DeveloperCalculate simple and annualized ROI from initial value, final value and years.
BusinessCompare gross, operating and net margins from revenue and the costs you enter.
BusinessEstimate break-even sales from fixed costs, unit price and variable cost per unit.
BusinessCalculate sale price, original price, savings or successive discounts.
BusinessConvert a numeric baht amount into Thai baht-and-satang text for review and copying.
BusinessCalculate withholding from a manually selected rate, with a VAT-inclusive amount option.
BusinessGenerate sequential invoice reference numbers with prefix, year, month and padding options.
BusinessConvert supported HEIC files to JPEG or PNG in the browser and download each result.
ConvertersRender SVG as PNG or trace raster images into an approximate SVG.
ConvertersRender PDF pages as images or combine selected images into a PDF.
ConvertersEstimate password strength from the tool's scoring model; crack times are illustrative.
SecurityEncrypt or decrypt text with password-based AES-GCM in your browser.
SecurityGenerate time-based one-time codes from your secret and matching algorithm settings.
SecurityCompare digest strings or compute a text/file hash; a match does not prove the source is trusted.
SecurityMask recognized personal-data patterns, then review the result for missed information.
SecurityGenerate passwords using patterns, character rules or a built-in passphrase word list.
SecurityRead text aloud with available browser voices; some voices may use a network service.
TextTranscribe microphone input with browser speech recognition, which may use an external service.
TextExtract text with browser-based OCR and review recognition errors before use.
ConvertersCount repeated text tokens with case and minimum-length options, then export the counts.
TextEstimate reading duration from word count and a selectable words-per-minute setting.
TextFind and copy special characters by category or keyword.
TextReorder selected PDF files with arrow controls and merge their pages in the browser.
ConvertersReplace Arabic digits with Thai digits or convert Thai digits back within text.
TextView the tool's built-in Thai holiday estimates; confirm official announcements before planning.
ProductivityNormalize a Thai phone number and check its format, without checking ownership or service status.
ProductivityConvert supported color values to HEX, RGB, HSL, HSV and OKLCH representations.
DeveloperConvert Unix seconds or milliseconds to dates, or convert a selected date back to Unix time.
DeveloperLook up public IP and approximate network location through an external IP service.
DeveloperBuild read, write and execute permissions and copy octal, symbolic or chmod values.
DeveloperCalculate a width-to-height ratio or scale dimensions while preserving that ratio.
DesignEvery tool is free to use in your browser โ no sign-up, no install โ and most process your data entirely on your own device, so files and text are never uploaded to a server. Each category below groups the tools people reach for most, and every tool page includes step-by-step instructions and answers to common questions.
Count words and characters, convert letter case, generate placeholder text, compare two versions, and tidy up writing before you publish.
Everyday calculators and timers โ BMI, calories, dates, countdowns, and Pomodoro sessions to plan your day.
Plan your money: loan and mortgage payments, compound interest, salary breakdowns, and income tax estimates.
Convert between formats โ images, PDFs, units of measurement, and currencies โ without installing any software.
Utilities for coding work: format JSON, decode JWT and Base64, test regular expressions, generate hashes and UUIDs, and more.
Create things on demand โ QR codes, barcodes, strong passwords, UUIDs, and other ready-to-use outputs.
Quick decision helpers and games โ roll dice, flip a coin, spin a wheel, and pick random numbers.
Pick colors, build gradients and shadows, generate palettes, and grab the values you need straight from the browser.
Protect your data: hash and encrypt text, check password strength, generate TOTP codes, and mask sensitive information.
Tools for running a business โ invoices, VAT, withholding tax, profit margins, and break-even calculations.