🛠 All tools
All 139 tools in one index, grouped by category. Every tool is free, needs no account and runs inside your browser.
📝 Text Utilities 24
Add Line Numbers
Number every line of your text with custom start, step, separator and zero-padding. Free, no signup, and everything runs locally in your browser.
Text UtilitiesBinary Converter
Binary Converter is a free online text tool for writers, editors, students and anyone cleaning up copy. Free online binary converter. Convert numbers…
Text UtilitiesCapitalize Text
Capitalize Text is a free online text tool for writers, editors, students and anyone cleaning up copy. Capitalize your text instantly: uppercase the…
Text UtilitiesCase Converter
Convert text between UPPER, lower, Title Case, Sentence case, camelCase and more. Free, no signup, and everything runs locally in your browser.
Text UtilitiesCharacter Counter
Count characters, words, sentences, paragraphs, and reading time in real-time. Free, no signup, and everything runs locally in your browser.
Text UtilitiesFind and Replace Text
Replace words or phrases everywhere at once — case-sensitive, whole-word or regex matching. Free, no signup, and everything runs locally in your…
Text UtilitiesHTML Entity Encoder
HTML Entity Encoder is a free online text tool for writers, editors, students and anyone cleaning up copy. Free HTML entity encoder/decoder tool.…
Text UtilitiesHTML to Markdown
Convert HTML into clean Markdown for READMEs, documentation and CMS fields. A free online text tool with no signup, no uploads and nothing to install.
Text UtilitiesKeyword Extractor
Extract the most important keywords from any text — ranked by frequency, ideal for SEO research. Free, no signup, runs in your browser. Free and…
Text UtilitiesLine Counter
Count lines, blank lines, words and characters, and spot duplicate lines in any text. Free, no signup, and everything runs locally in your browser.
Text UtilitiesLowercase Converter
Convert text to lowercase in one click, with word and character counts. A free online text tool with no signup, no uploads and nothing to install.
Text UtilitiesMarkdown to HTML
Convert Markdown to HTML with tables and code blocks, and preview the result. Free, no signup, and everything runs locally in your browser.
Text UtilitiesOnline Text Analyzer
Text analysis with readability score, reading time, sentence length and top word frequencies. Free, no signup, and everything runs locally in your…
Text UtilitiesRemove Duplicate Lines
Deduplicate lines, sort alphabetically or keep original order. A free online text tool with no signup, no uploads and nothing to install. Free and…
Text UtilitiesRemove Duplicate Lines
Remove Duplicate Lines is a free online text tool for writers, editors, students and anyone cleaning up copy. Remove duplicate lines from any text…
Text UtilitiesRemove Line Breaks
Join lines, remove empty lines, trim whitespace — clean up messy text fast. A free online text tool with no signup, no uploads and nothing to install.
Text UtilitiesSort Lines Alphabetically
Sort any list A-Z or Z-A, ignore case, remove empty lines and duplicates. A free online text tool with no signup, no uploads and nothing to install.
Text UtilitiesSpelling Checker
Spelling Checker is a free online text tool for writers, editors, students and anyone cleaning up copy. Check any text for misspellings against a…
Text UtilitiesText Cleaner
Remove extra spaces, special characters, trim lines, strip HTML tags. A free online text tool with no signup, no uploads and nothing to install.
Text UtilitiesText Diff Checker
Compare two texts and see exactly what changed — added and removed lines highlighted. Free, no signup, and everything runs locally in your browser.
Text UtilitiesText Reverser
Reverse text by character, by word or line by line, safely handling Unicode and emoji. Free, no signup, and everything runs locally in your browser.
Text UtilitiesText Summarizer
Condense any text to its key sentences — perfect for articles, reports and long emails. Free, no signup, and everything runs locally in your browser.
Text UtilitiesText to Slug Converter
Text to Slug Converter is a free online text tool for writers, editors, students and anyone cleaning up copy. Convert any title or text into a clean…
Text UtilitiesUppercase Converter
Convert text to UPPERCASE, with correct handling of German umlauts and the letter ß. Free, no signup, and everything runs locally in your browser.
Text Utilities💻 Developer Utilities 21
Base64 Decoder
Decode Base64 back into readable text, including URL-safe input and missing padding. Free, no signup, and everything runs locally in your browser.
Developer UtilitiesBase64 Encoder / Decoder
Base64 Encoder / Decoder is a free online developer tool. Encode and decode text to/from Base64 instantly. No signup, nothing uploaded, works on…
Developer UtilitiesCron Expression Generator
Build cron expressions visually. Preview next 5 fire times. A free online developer tool with no signup, no uploads and nothing to install.
Developer UtilitiesCSV to JSON Converter
CSV to JSON Converter is a free online developer tool for developers debugging payloads, configs and code. Convert CSV to JSON in your browser.…
Developer UtilitiesIP Address Lookup
IP Address Lookup is a free online developer tool for developers debugging payloads, configs and code. Analyse any IPv4 or IPv6 address in your…
Developer UtilitiesJavaScript Formatter
JavaScript Formatter is a free online developer tool for developers debugging payloads, configs and code. Paste JavaScript and get clean…
Developer UtilitiesJavaScript Beautifier
Beautify and format minified JavaScript into readable code. A free online developer tool with no signup, no uploads and nothing to install.
Developer UtilitiesJSON Formatter
Format, validate, and minify JSON. Beautify messy JSON in one click. A free online developer tool with no signup, no uploads and nothing to install.
Developer UtilitiesJSON Syntax Validator
Validate JSON syntax with exact line, column and path, catch duplicate keys and format or minify — in your browser. Free, no signup, runs in your…
Developer UtilitiesJSON to CSV Converter
JSON to CSV Converter is a free online developer tool for developers debugging payloads, configs and code. Convert JSON to CSV in your browser.…
Developer UtilitiesJWT Decoder
Decode JSON Web Tokens (JWT) without a server — inspect header and payload. A free online developer tool with no signup, no uploads and nothing to…
Developer UtilitiesRegex Tester
Test regular expressions against any text with real-time match highlighting. Free, no signup, and everything runs locally in your browser.
Developer UtilitiesRGB to HEX Converter
Convert RGB and HSL values to HEX and back, with sliders and a live colour preview. Free, no signup, and everything runs locally in your browser.
Developer UtilitiesSQL Formatter
SQL Formatter is a free online developer tool for developers debugging payloads, configs and code. Format or minify SQL in your browser: one clause…
Developer UtilitiesSSL Certificate Checker
SSL Certificate Checker is a free online developer tool for developers debugging payloads, configs and code. Paste a PEM certificate to decode…
Developer UtilitiesURL Decoder
Encode or decode URLs and split them into host, path and query parameters. A free online developer tool with no signup, no uploads and nothing to…
Developer UtilitiesURL Encoder / Decoder
URL Encoder / Decoder is a free online developer tool for developers debugging payloads, configs and code. Percent-encode text for links, query…
Developer UtilitiesUUID Generator
Generate UUID v4, v7 identifiers. Bulk generate up to 100 at once. A free online developer tool with no signup, no uploads and nothing to install.
Developer UtilitiesWeb Developer Tool
A developer toolbox on one page: JSON formatter, HTML entities, timestamp converter and hash helper. Free, no signup, runs in your browser.
Developer UtilitiesXML to JSON Converter
XML to JSON Converter is a free online developer tool for developers debugging payloads, configs and code. Convert XML to JSON for free in your…
Developer UtilitiesYAML to JSON Converter
Convert YAML to JSON and vice versa. Paste and convert instantly. A free online developer tool with no signup, no uploads and nothing to install.
Developer Utilities💰 Finance Calculators 16
Compound Interest Calculator
Calculate compound interest with any compounding frequency and optional monthly additions. Free, no signup, and everything runs locally in your…
Finance CalculatorsCredit Card Validator
Credit Card Validator is a free online calculator for anyone planning a loan, investment, salary or purchase. Check a card number properly: Luhn…
Finance CalculatorsCurrency Converter
Convert between 30 currencies with an exchange-rate feed, showing the rate and its date. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsDiscount Calculator
Work out sale price, savings and effective discount, including stacked discounts. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsEMI Calculator
Calculate monthly EMI, total interest, and full amortization schedule for any loan. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsFD Calculator
Fixed Deposit maturity calculator with senior citizen rates and compounding options. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsFuel Cost Calculator
Trip fuel cost from distance, consumption and price per litre, with cost per person. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsGST Calculator
Calculate GST amounts for all slabs (5%, 12%, 18%, 28%) — inclusive and exclusive modes. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsLoan Calculator
Monthly payment, total interest and a full amortisation schedule for any loan. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsMortgage Calculator
Monthly payment, total cost and interest share of a mortgage, with a yearly schedule. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsPercentage Calculator
Four percentage modes: X percent of Y, X is what percent of Y, increase or decrease, and change between two values. Free, no signup, runs in your…
Finance CalculatorsSalary Calculator
Turn an hourly rate into weekly, monthly and yearly pay, or work backwards from a salary. Free, no signup, and everything runs locally in your…
Finance CalculatorsShipping Cost Calculator
Estimate parcel cost from weight, dimensions and shipping zone, including volumetric weight. Free, no signup, and everything runs locally in your…
Finance CalculatorsSIP Calculator
Plan your mutual fund SIP investments. See maturity value, returns, and yearly growth chart. Free, no signup, and everything runs locally in your…
Finance CalculatorsTip Calculator
Work out tip, total and the per-person share, with quick buttons from 5 to 20 percent. Free, no signup, and everything runs locally in your browser.
Finance CalculatorsVAT Calculator
Add or remove VAT at 19 percent, 7 percent or any custom rate, showing net, tax and gross separately. Free, no signup, runs in your browser.
Finance Calculators🏃 Health Tools 2
BMI Calculator
BMI Calculator is a free online health calculator for people tracking weight, BMI and daily energy needs. Calculate your BMI with metric or imperial…
Health ToolsCalorie Calculator
Estimate daily calories with the Mifflin-St Jeor formula: maintenance, mild deficit and stronger deficit. Free, no signup, runs in your browser.
Health Tools🔧 SEO Tools 17
Alt Text Checker
Paste your HTML and every image is checked for missing, empty, too short, file-name-based or duplicate alt texts. Free, no signup, runs in your…
SEO ToolsBroken Link Checker
Broken Link Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste a list of URLs and every link is checked by…
SEO ToolsHeading Structure Checker
Heading Structure Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste your HTML and check the H1–H6…
SEO ToolsHreflang Generator
Generate hreflang tags for multilingual websites. Supports 30+ languages and country codes. Free, no signup, and everything runs locally in your…
SEO ToolsKeyword Density Checker
Analyze keyword frequency, density, and phrases in any text. Filter stop words, sort by density or count. Free, no signup, runs in your browser.
SEO ToolsMeta Description Checker
Meta Description Checker is a free online SEO tool for SEO consultants, content teams and site owners. Paste your meta description and get instant…
SEO ToolsMeta Tag Analyzer
Paste page HTML and inspect title, meta description, canonical, Open Graph and heading outline. Free, no signup, runs in your browser. Free and…
SEO ToolsMeta Tag Generator
Generate SEO-optimized meta titles, descriptions, and Open Graph tags. A free online SEO tool with no signup, no uploads and nothing to install.
SEO ToolsPage Title Analyzer
Page Title Analyzer is a free online SEO tool for SEO consultants, content teams and site owners. Paste your page title and get a 0-100 score: length…
SEO ToolsRobots.txt Generator
Create robots.txt files visually. Presets for WordPress, Shopify, Magento. Add rules, sitemaps, crawl-delay. Free, no signup, runs in your browser.
SEO ToolsSchema.org Generator
Schema.org Generator is a free online SEO tool for SEO consultants, content teams and site owners. Generate JSON-LD structured data for 10+ schema…
SEO ToolsSEO Audit
SEO Audit is a free online SEO tool. Free SEO audit tool. Analyze any website. No signup, nothing uploaded, works on mobile. Works on desktop and…
SEO ToolsSEO Checker
Paste your page HTML for a scored checklist: title, meta description, headings, images and links. Free, no signup, runs in your browser. Free and…
SEO ToolsSERP Preview Tool
SERP Preview Tool is a free online SEO tool for SEO consultants, content teams and site owners. Compose title, URL and meta description and watch a…
SEO ToolsSlug Generator
Slug Generator is a free online SEO tool. Convert any text into a clean, SEO-friendly URL slug. No signup, nothing uploaded, works on mobile.
SEO ToolsXML Sitemap Generator
Generate XML sitemaps with changefreq, priority, and sitemap index support. A free online SEO tool with no signup, no uploads and nothing to install.
SEO ToolsURL Validator
URL Validator is a free online SEO tool for SEO consultants, content teams and site owners. Check any URL: syntax and structure, parsed components…
SEO Tools🔢 Converters 25
Batch Image Resize
Batch Image Resize is a free online file converter for anyone converting images, audio, video, units or colours. Resize multiple images at once in…
ConvertersColor Converter
Convert colours between HEX, RGB, HSL, HSV and CMYK, with a WCAG contrast check. Free, no signup, and everything runs locally in your browser.
ConvertersColor Palette Generator
Build complementary, analogous, triadic and monochromatic palettes from one base colour. Free, no signup, and everything runs locally in your browser.
ConvertersGrayscale Converter
Convert images to black and white with an adjustable intensity slider. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersHex to RGB Converter
Convert between Hex (#FF0000) and RGB (255, 0, 0) color formats. A free online file converter with no signup, no uploads and nothing to install.
ConvertersImage Blur Tool
Blur any image in your browser with an adjustable strength slider. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersImage Colorizer
Colorize black and white photos or boost faded colors in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersImage Converter
Convert images between PNG, JPEG and WebP in the browser, without uploading them. Free, no signup, and everything runs locally in your browser.
ConvertersImage Mirror Effect
Flip any image horizontally or vertically in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser. Free and…
ConvertersImage Processing Tool
Resize, rotate, flip, grayscale and compress images locally in your browser. Free, no signup, and everything runs locally in your browser.
ConvertersImage to Text (OCR)
Image to Text (OCR) is a free online file converter for anyone converting images, audio, video, units or colours. Extract text from images and…
ConvertersImage to WebP Converter
Convert PNG, JPG, GIF and BMP images to WebP format in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersImage Watermark
Image Watermark is a free online file converter for anyone converting images, audio, video, units or colours. Add a custom text watermark to any…
ConvertersJPG to PNG
Turn JPG photos into PNG files, with optional resizing before download. A free online file converter with no signup, no uploads and nothing to…
ConvertersMeme Maker
Meme Maker is a free online file converter for anyone converting images, audio, video, units or colours. Add classic top and bottom captions to any…
ConvertersMP4 to MP3 Converter
MP4 to MP3 Converter is a free online file converter for anyone converting images, audio, video, units or colours. Extract the audio track from an…
ConvertersUnit Converter
Convert length, weight, temperature, area, volume and speed units in one place. Free, no signup, and everything runs locally in your browser.
ConvertersPhoto Compressor
Photo Compressor is a free online file converter for anyone converting images, audio, video, units or colours. Free online photo compressor. Resize…
ConvertersPhoto Rotator
Rotate any image 90°, 180°, 270° or to a custom angle in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersPNG to JPG Converter
Convert PNG images to JPG format instantly in your browser. Drag and drop, no upload, 100% private. Free, no signup, runs in your browser.
ConvertersRemove Background
Remove image backgrounds with a local AI model. Drag and drop, no upload, 100% private, transparent PNG download. Free, no signup, runs in your…
ConvertersTemperature Converter
Temperature Converter is a free online file converter for anyone converting images, audio, video, units or colours. Free online temperature…
ConvertersTime Duration Calculator
Time Duration Calculator is a free online file converter for anyone converting images, audio, video, units or colours. Free online time duration…
ConvertersUnit Converter
Quick unit conversion for length, weight, temperature, area, volume and speed, with a live result as you type. Free, no signup, runs in your browser.
ConvertersVideo to GIF Converter
Video to GIF Converter is a free online file converter for anyone converting images, audio, video, units or colours. Convert MP4 or WebM clips into…
Converters📈 Business Tools 12
Age Calculator
Exact age in years, months, days and hours from any birth date, plus a countdown to the next birthday. Free, no signup, runs in your browser.
Business ToolsAI Writing Tool
Tighten your writing: filler words, passive voice, overlong sentences, readability score and word count. Free, no signup, runs in your browser.
Business ToolsBreak-Even Calculator
Calculate break-even point in units and revenue. Visual chart with profit/loss zones. Free, no signup, and everything runs locally in your browser.
Business ToolsBusiness Calculator
Margin, markup, ROI and break-even in one place: enter cost and price, see the profit instantly. Free, no signup, runs in your browser. Free and…
Business ToolsGrammar Checker
Find doubled words, spacing mistakes, missing capitals and punctuation slips in your text. Free, no signup, and everything runs locally in your…
Business ToolsInvoice Template Generator
Invoice Template Generator is a free online business tool for freelancers, small teams and operations staff. Fill in your business and client…
Business ToolsMeeting Agenda Creator
Meeting Agenda Creator is a free online business tool for freelancers, small teams and operations staff. Turn meeting topics into a real timed agenda…
Business ToolsMerge PDFs
Merge PDFs is a free online business tool for freelancers, small teams and operations staff. Merge multiple PDF files into one — free, no upload, no…
Business ToolsPhone Number Checker
Phone Number Checker is a free online business tool for freelancers, small teams and operations staff. Check a phone number: detect the country from…
Business ToolsProductivity Tool
Pomodoro timer with a task list and focus statistics, running entirely in your browser. Free, no signup, and everything runs locally in your browser.
Business ToolsProfit Margin Calculator
Calculate profit margin, markup percentage, and total profit. Visual comparison of revenue vs cost. Free, no signup, runs in your browser.
Business ToolsROI Calculator
Return on Investment calculator with annualized ROI, net profit, and payback period. Free, no signup, and everything runs locally in your browser.
Business Tools🛡️ Everyday Tools 22
Barcode Generator
Create Code128, EAN-13 and UPC-A barcodes from text or numbers and download them as PNG. Free, no signup, and everything runs locally in your browser.
Everyday ToolsCSS Gradient Generator
Design linear and radial CSS gradients with a live preview and copy the finished CSS. Free, no signup, and everything runs locally in your browser.
Everyday ToolsDomain Name Generator
Generate name ideas from your keywords with prefix, suffix and compound patterns. Free, no signup, and everything runs locally in your browser.
Everyday ToolsFake Identity Generator
Create test identities for mockups and QA: name, address, email, phone and date of birth. Free, no signup, and everything runs locally in your…
Everyday ToolsFree Online Calculator
A calculator with history: arithmetic, percentages, square root and memory keys. Free, no signup, and everything runs locally in your browser.
Everyday ToolsRandom Generator Tool
Generate UUIDs, lorem ipsum text, random numbers, dice rolls and random colours. Free, no signup, and everything runs locally in your browser.
Everyday ToolsLorem Ipsum Generator
Generate placeholder text as paragraphs, sentences, or words. HTML tags and bullet lists supported. Free, no signup, runs in your browser.
Everyday ToolsEmail Template Generator
Editable email templates for enquiries, quotes, follow-ups, apologies and payment reminders. Free, no signup, and everything runs locally in your…
Everyday ToolsPassword Generator
Generate secure passwords with custom length, character sets, and strength meter. Free, no signup, and everything runs locally in your browser.
Everyday ToolsPassword Generator Online
Generate strong passwords or passphrases with a strength meter and entropy estimate. Free, no signup, and everything runs locally in your browser.
Everyday ToolsQR Code Generator
Create QR codes for links, text, email, phone numbers and WiFi, with size and error-correction options. Free, no signup, runs in your browser.
Everyday ToolsRandom Number Generator
Draw random numbers in any range — unique values, decimal places and sorting included. Free, no signup, and everything runs locally in your browser.
Everyday ToolsUsername Generator
Generate username ideas from a keyword, with styles for gaming, social and developer handles. Free, no signup, and everything runs locally in your…
Everyday ToolsCSS Minifier
CSS Minifier is a free online utility tool for anyone who needs a quick answer without an account. Compress a stylesheet in your browser: comments…
Everyday ToolsDNS Lookup Tool
DNS Lookup Tool is a free online utility tool for anyone who needs a quick answer without an account. Look up DNS records for any domain: A, AAAA, MX…
Everyday ToolsDomain Availability Checker
Domain Availability Checker is a free online utility tool for anyone who needs a quick answer without an account. Check whether a domain is…
Everyday ToolsGitignore Generator
Gitignore Generator is a free online utility tool for anyone who needs a quick answer without an account. Build a .gitignore for Node.js, Python…
Everyday ToolsMobile Friendly Test
Mobile Friendly Test is a free online utility tool for anyone who needs a quick answer without an account. Paste your page HTML and measure how it…
Everyday ToolsBudget Calculator
Budget Calculator is a free online utility tool for anyone who needs a quick answer without an account. Add up your monthly income and expenses, see…
Everyday ToolsHTML Formatter
HTML Formatter is a free online utility tool for anyone who needs a quick answer without an account. Beautify or minify HTML in your browser…
Everyday ToolsNet Worth Calculator
Enter what you own and what you owe to see your net worth, debt-to-asset ratio and liquid assets. Free, no signup, runs in your browser. Free and…
Everyday ToolsYAML Validator
YAML Validator is a free online utility tool for anyone who needs a quick answer without an account. Paste YAML and validate it against the YAML 1.2…
Everyday Tools