Loading...
A collection of 100+ online tools, including GUID/UUID and password generators, JSON formatters, unit and currency converters, and network utilities. No signup. No installs. Just open a tool and go.
100+
Online Tools
24/7
Instant Access
10
Categories
100%
Privacy Focused
Our most popular tools, used by millions every month.
Generate cryptographically secure GUIDs (UUID v4) online. Choose uppercase, hyphens, or braces format โ generate up to 100 at once, copy or download.
Generate strong, cryptographically secure passwords with custom length (4โ128 chars), character sets, and batch count. Runs entirely in your browser โ nothing sent to a server.
Generate a QR code for any text or URL instantly. Preview in your browser and download as PNG โ no account or upload needed.
Convert between units of length, weight, temperature, and area. Get instant results with all conversions shown at once โ no signup, runs in your browser.
Pick any color and convert between HEX, RGB, HSL, and CMYK. Check WCAG contrast ratios and explore shades and tints โ all in your browser.
Convert between 170+ world currencies with live exchange rates. Swap currencies, see a rate table for common amounts, and check the last update timestamp.
Format, validate, and minify JSON with syntax highlighting and error detection. Sort keys alphabetically and copy the result instantly โ browser-only.
Count words, characters, sentences, and paragraphs in real time. Get estimated reading time and see top keywords โ no signup, runs in your browser.
Find the right tool from our 10 curated categories.
Password generator, GUID/UUID, QR code, lorem ipsum, barcode & random number tools
Unit converter, currency converter, JSON to CSV, CSV to JSON, Markdown to HTML, HTML to Markdown & Roman numeral converter
Word counter, case converter, duplicate line remover, text diff & slug generator
JSON formatter & validator, regex tester, JWT decoder, SQL/CSS/JS/XML formatter
Base64 encoder/decoder, URL encode/decode, HTML entity encoder, hash generator & Morse code
Percentage calculator, BMI calculator, loan calculator, statistics & scientific calculator
Hex to RGB converter, color picker, CSS gradient generator, contrast checker & box shadow
Image converter, resizer & compressor, image to Base64, SVG to PNG & favicon generator
Unix timestamp converter, time zone converter, date difference calculator & world clock
IP address lookup, DNS lookup, WHOIS lookup, SSL certificate checker & HTTP headers
Generate cryptographically secure GUIDs (UUID v4) online. Choose uppercase, hyphens, or braces format โ generate up to 100 at once, copy or download.
GeneratorsGenerate strong, cryptographically secure passwords with custom length (4โ128 chars), character sets, and batch count. Runs entirely in your browser โ nothing sent to a server.
GeneratorsGenerate lorem ipsum placeholder text by words, sentences, or paragraphs. Set your count, toggle HTML output, and copy instantly โ no signup needed.
GeneratorsGenerate a QR code for any text or URL instantly. Preview in your browser and download as PNG โ no account or upload needed.
GeneratorsGenerate random numbers within any custom range. Set your minimum, maximum, and quantity โ up to 1,000 numbers at once. Copy results instantly.
GeneratorsGenerate unique usernames in 5 styles โ gamer, cute, professional, nature, or random. Set your count, toggle numbers, and copy individually or all at once.
GeneratorsGenerate random test email addresses in bulk. Choose from 4 address formats and generate up to 200 at once โ browser-side, no signup needed.
GeneratorsGenerate Luhn-valid test credit card numbers for payment gateway and checkout testing. Multiple networks, 5 cards per batch โ never real card data.
GeneratorsGenerate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text. Shows all four algorithms at once in hex or Base64 โ powered by the Web Crypto API.
GeneratorsGenerate Code 128 barcodes from any ASCII text. Customize height and bar width, preview instantly, and download as SVG โ entirely in your browser.
GeneratorsConvert between units of length, weight, temperature, and area. Get instant results with all conversions shown at once โ no signup, runs in your browser.
ConvertersPaste HTML and instantly get clean Markdown output. Works in your browser with no upload โ copy the result with one click.
ConvertersConvert images to JPEG, PNG, or WebP with adjustable quality. Accepts PNG, JPEG, WebP, GIF, and BMP โ everything runs in your browser, nothing uploaded.
ConvertersConvert CSV to JSON with automatic delimiter detection, quoted field support, and type inference for numbers and booleans. Copy or download the result.
ConvertersConvert between 170+ world currencies with live exchange rates. Swap currencies, see a rate table for common amounts, and check the last update timestamp.
ConvertersConvert JSON arrays to CSV with four delimiter options (comma, semicolon, tab, pipe). Auto-detects headers and handles missing fields โ download the CSV.
ConvertersConvert Markdown to clean HTML using the CommonMark standard. Live preview and HTML source shown side by side โ copy the output instantly.
ConvertersExtract plain text from any PDF document entirely in your browser. No upload needed โ see word count and copy the extracted text instantly.
ConvertersConvert Arabic numbers to Roman numerals or Roman numerals back to Arabic. Instant bidirectional conversion โ enter the value and press Convert.
ConvertersConvert any date and time between world time zones. Detects your local timezone automatically and shows the UTC offset for each zone โ instant conversion.
ConvertersConvert text to 10 case formats: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, SCREAMING_SNAKE, kebab-case, and dot.case.
Text ToolsCompare two texts line by line and highlight additions and removals. Switch between unified and side-by-side views โ copy the diff output instantly.
Text ToolsRemove duplicate lines from any text with case-sensitive or case-insensitive matching. Optionally remove blank lines and sort the output โ copy the result instantly.
Text ToolsFind and replace text with regex support, capture groups, whole-word matching, and case-insensitive mode. Replace all occurrences or just the first.
Text ToolsSort lines in 7 modes: alphabetical, reverse, numeric, random, by length, case-insensitive, and natural order. Remove duplicates and blank lines too.
Text ToolsReverse text in 4 modes: entire text, word order, each word individually, or each line. Output updates live โ copy the reversed result instantly.
Text ToolsAutomatically summarize long texts using extractive summarization. Adjust summary length, view extracted keywords, and copy the result โ runs in your browser.
Text ToolsConvert any text to a URL-friendly slug. Choose hyphen, underscore, or dot separator โ all three variants shown at once for easy comparison.
Text ToolsRemove extra spaces, tabs, and blank lines in 6 cleaning modes. See a live before/after character diff with configurable tab width โ copy the cleaned result.
Text ToolsCount words, characters, sentences, and paragraphs in real time. Get estimated reading time and see top keywords โ no signup, runs in your browser.
Text ToolsBeautify or minify HTML with 2-space, 4-space, or tab indentation. Paste your code and get clean, formatted output instantly โ no signup.
Developer ToolsPick any color and convert between HEX, RGB, HSL, and CMYK. Check WCAG contrast ratios and explore shades and tints โ all in your browser.
Developer ToolsParse cron expressions into plain English and see the next scheduled run times. Supports 5 and 6-field cron syntax โ validate and explain instantly.
Developer ToolsBeautify or minify CSS with 2-space, 4-space, or tab indentation. See the exact byte savings percentage after minifying โ copy the result with one click.
Developer ToolsBeautify or minify JavaScript with 2-space, 4-space, or tab indentation. Shows byte savings percentage after minifying โ copy the result with one click.
Developer ToolsFormat, validate, and minify JSON with syntax highlighting and error detection. Sort keys alphabetically and copy the result instantly โ browser-only.
Developer ToolsDecode and inspect JWT header, payload, and claims instantly. Shows expiry status and all token fields โ fully private, nothing sent to a server.
Developer ToolsTest regular expressions against any text in real time. See all matches highlighted with a count โ ideal for building and debugging regex patterns.
Developer ToolsBeautify or minify SQL queries with keyword normalization and configurable indentation. Shows byte savings percentage after minifying โ copy instantly.
Developer ToolsBeautify or minify XML with 2-space, 4-space, or tab indentation. Validates structure and shows errors โ see byte savings percentage after minifying.
Developer ToolsEncode or decode HTML entities in named, decimal, or hex format. Swap encode โ decode with one click โ runs entirely in your browser.
Encoders & DecodersConvert text to ASCII codes in decimal, hex, octal, or binary โ or decode ASCII codes back to text. Full character-code table shown instantly.
Encoders & DecodersEncode text or files to Base64 or decode Base64 back to text. Supports image preview, data URL output, and one-click direction swap โ nothing sent to a server.
Encoders & DecodersConvert any text to binary (UTF-8, 8-bit groups) or decode binary back to text. Copy output instantly โ runs entirely in your browser.
Encoders & DecodersTranslate text to Morse code or decode Morse back to text โ output updates as you type. Switch direction with one click, then copy the result.
Encoders & DecodersEncode or decode URLs with two modes: component encoding (for query param values) or full URL encoding that preserves structure. Swap encodeโdecode with one click.
Encoders & DecodersConvert numbers between binary, octal, decimal, and hexadecimal in any direction. Enter one base and all four results appear instantly โ browser-only.
Math CalculatorsCalculate tip and total for any bill with preset percentages (10โ25%) or a custom rate. Split among up to 100 people โ see per-person breakdown instantly.
Math CalculatorsCalculate your exact age from any date of birth in years, months, and days. Also shows total days, weeks, hours, and minutes lived โ results update instantly.
Math CalculatorsCalculate your Body Mass Index in metric (kg/cm) or imperial (lb/ft/in). Shows your BMI value, weight category, and healthy weight range instantly.
Math CalculatorsFind the Greatest Common Divisor and Least Common Multiple for 2 or more comma-separated numbers. Uses the Euclidean algorithm and BigInt for large integer accuracy.
Math CalculatorsCalculate monthly loan or mortgage payments, total interest paid, and view the full amortization schedule. Enter principal, interest rate, and loan term.
Math CalculatorsCalculate percentages in 3 modes: X% of Y, X is what % of Y, and % change between two values. The formula is shown alongside every answer.
Math CalculatorsCheck if any integer is prime, find its prime factorization, and list all divisors. Instant results for any number โ runs in your browser.
Math CalculatorsAdvanced scientific calculator with trig (sin/cos/tan and inverses), sqrt, log, ln, ฯ, e, factorial, and degrees/radians toggle. Includes calculation history.
Math CalculatorsCalculate mean, median, mode, Q1/Q3 quartiles, population and sample standard deviation, and variance. Enter comma-separated numbers for instant results.
Math CalculatorsGenerate CSS border-radius with independent control over all four corners. Choose from presets or set each corner manually up to 200px โ copy the CSS instantly.
Color ToolsGenerate CSS box-shadow with sliders for X/Y offset, blur, spread, color, and opacity. Toggle inset mode and copy the ready-to-use CSS instantly.
Color ToolsGenerate harmonious color palettes in 6 modes โ complementary, analogous, triadic, split-complementary, tetradic, or monochromatic โ from any base color.
Color ToolsCheck color contrast ratios against WCAG AA and AAA standards for normal and large text. Enter two colors and see instant pass/fail results with the ratio.
Color ToolsConvert HEX color codes to RGB, HSL, HSV, and CMYK. Supports 3-digit shorthand hex and shows all color formats at once โ copy any value instantly.
Color ToolsGenerate linear or radial CSS gradients with up to 8 color stops. Adjust angle and stop positions with a live preview, then copy the gradient CSS.
Color ToolsCompress JPEG, PNG, or WebP images with an adjustable quality slider. Shows exact file size savings before download โ processed in your browser, nothing uploaded.
Image ToolsResize images to custom pixel dimensions with an optional aspect ratio lock. Output as JPEG, PNG, or WebP with adjustable quality โ no upload to server needed.
Image ToolsGenerate favicons in 7 sizes (16ร16 to 512ร512) as PNG from any image. Download individual sizes and get ready-to-paste HTML link tags for your site.
Image ToolsConvert any image to Base64 for embedding in HTML or CSS. Get the full data URL or raw Base64 string โ MIME type detected automatically, nothing uploaded.
Image ToolsConvert SVG vector graphics to PNG at custom dimensions and 1รโ4ร scale. Preview before download โ processed in your browser using Canvas, nothing uploaded.
Image ToolsSet a countdown to any upcoming date or event. Shows days, hours, minutes, and seconds remaining โ saved in your browser so it persists across visits.
Time & DateCalculate the exact difference between two dates in years, months, and days. Also shows total days, weeks, hours, and minutes โ results are instant.
Time & DateConvert Unix timestamps to readable dates or dates back to Unix timestamps. Supports seconds and milliseconds โ shows the live current timestamp updated every second.
Time & DateView live current times for cities across Americas, Europe, Africa, Asia, and Pacific regions. Filter by region or search by city โ updated every second.
Time & DateInspect HTTP response headers for any URL. View status code, security headers, and all response fields โ useful for debugging and security audits.
Network ToolsQuery DNS records for any domain โ A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, and PTR. Results include TTL values and all answers for the selected record type.
Network ToolsLook up geolocation, ISP, and network details for any IP address. Supports your own IP or any IPv4 โ see country, city, region, and org instantly.
Network ToolsCheck if TCP ports are open on any host or IP. Test up to 10 ports at once and see response latency โ useful for firewall and server debugging.
Network ToolsCheck SSL/TLS certificate validity and expiry for any website. Shows issuer, Subject Alternative Names (SANs), and TLS protocol version โ instant lookup.
Network ToolsLook up domain registration details including registrar, creation date, expiry date, days until expiry, and registrant info for any domain.
Network ToolsBuilt with performance, privacy, and usability as the core principles.
All tools run entirely in your browser - no server round-trips, instant results.
Your data never leaves your device. We process everything locally.
Zero registration, zero logins, zero barriers. Just open and use.
Fully responsive. Works on desktop, tablet, and mobile, in any browser.
Most tools work directly in your browser with no signup. Check individual tool pages for any tool-specific access details.
Tool inputs are processed directly in your browser and are not sent to our servers. We use third-party analytics and advertising services as described in our Privacy Policy.
We offer tools across 10 categories: Generators, Converters, Text Tools, Developer Tools, Math Calculators, Encoders & Decoders, Time & Date, Color Tools, Network Tools, and Image Tools.
Absolutely. All tools are fully responsive and work on smartphones, tablets, and desktops.
Pick a tool from our collection and start working - it's instant and requires no account.
Browse 100+ Tools