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🛠 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 Utilities

Binary 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 Utilities

Capitalize 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 Utilities

Case Converter

Convert text between UPPER, lower, Title Case, Sentence case, camelCase and more. Free, no signup, and everything runs locally in your browser.

Text Utilities

Character Counter

Count characters, words, sentences, paragraphs, and reading time in real-time. Free, no signup, and everything runs locally in your browser.

Text Utilities

Find 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 Utilities

HTML 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 Utilities

HTML 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 Utilities

Keyword 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 Utilities

Line 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 Utilities

Lowercase 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 Utilities

Markdown 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 Utilities

Online 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 Utilities

Remove 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 Utilities

Remove 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 Utilities

Remove 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 Utilities

Sort 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 Utilities

Spelling 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 Utilities

Text 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 Utilities

Text 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 Utilities

Text 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 Utilities

Text 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 Utilities

Text 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 Utilities

Uppercase 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 Utilities

Base64 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 Utilities

Cron 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 Utilities

CSV 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 Utilities

IP 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 Utilities

JavaScript Formatter

JavaScript Formatter is a free online developer tool for developers debugging payloads, configs and code. Paste JavaScript and get clean…

Developer Utilities

JavaScript Beautifier

Beautify and format minified JavaScript into readable code. A free online developer tool with no signup, no uploads and nothing to install.

Developer Utilities

JSON 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 Utilities

JSON 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 Utilities

JSON 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 Utilities

JWT 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 Utilities

Regex Tester

Test regular expressions against any text with real-time match highlighting. Free, no signup, and everything runs locally in your browser.

Developer Utilities

RGB 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 Utilities

SQL 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 Utilities

SSL 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 Utilities

URL 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 Utilities

URL 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 Utilities

UUID 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 Utilities

Web 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 Utilities

XML 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 Utilities

YAML 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 Calculators

Credit 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 Calculators

Currency 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 Calculators

Discount Calculator

Work out sale price, savings and effective discount, including stacked discounts. Free, no signup, and everything runs locally in your browser.

Finance Calculators

EMI Calculator

Calculate monthly EMI, total interest, and full amortization schedule for any loan. Free, no signup, and everything runs locally in your browser.

Finance Calculators

FD Calculator

Fixed Deposit maturity calculator with senior citizen rates and compounding options. Free, no signup, and everything runs locally in your browser.

Finance Calculators

Fuel 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 Calculators

GST 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 Calculators

Loan Calculator

Monthly payment, total interest and a full amortisation schedule for any loan. Free, no signup, and everything runs locally in your browser.

Finance Calculators

Mortgage 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 Calculators

Percentage 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 Calculators

Salary 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 Calculators

Shipping Cost Calculator

Estimate parcel cost from weight, dimensions and shipping zone, including volumetric weight. Free, no signup, and everything runs locally in your…

Finance Calculators

SIP 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 Calculators

Tip 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 Calculators

VAT 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

🔧 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 Tools

Broken 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 Tools

Heading 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 Tools

Hreflang Generator

Generate hreflang tags for multilingual websites. Supports 30+ languages and country codes. Free, no signup, and everything runs locally in your…

SEO Tools

Keyword 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 Tools

Meta 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 Tools

Meta 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 Tools

Meta 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 Tools

Page 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 Tools

Robots.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 Tools

Schema.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 Tools

SEO 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 Tools

SEO 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 Tools

SERP 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 Tools

Slug 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 Tools

XML 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 Tools

URL 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…

Converters

Color 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.

Converters

Color Palette Generator

Build complementary, analogous, triadic and monochromatic palettes from one base colour. Free, no signup, and everything runs locally in your browser.

Converters

Grayscale 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.

Converters

Hex 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.

Converters

Image 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.

Converters

Image 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.

Converters

Image Converter

Convert images between PNG, JPEG and WebP in the browser, without uploading them. Free, no signup, and everything runs locally in your browser.

Converters

Image 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…

Converters

Image Processing Tool

Resize, rotate, flip, grayscale and compress images locally in your browser. Free, no signup, and everything runs locally in your browser.

Converters

Image 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…

Converters

Image 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.

Converters

Image 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…

Converters

JPG 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…

Converters

Meme 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…

Converters

MP4 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…

Converters

Unit Converter

Convert length, weight, temperature, area, volume and speed units in one place. Free, no signup, and everything runs locally in your browser.

Converters

Photo Compressor

Photo Compressor is a free online file converter for anyone converting images, audio, video, units or colours. Free online photo compressor. Resize…

Converters

Photo 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.

Converters

PNG 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.

Converters

Remove 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…

Converters

Temperature Converter

Temperature Converter is a free online file converter for anyone converting images, audio, video, units or colours. Free online temperature…

Converters

Time Duration Calculator

Time Duration Calculator is a free online file converter for anyone converting images, audio, video, units or colours. Free online time duration…

Converters

Unit 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.

Converters

Video 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 Tools

AI Writing Tool

Tighten your writing: filler words, passive voice, overlong sentences, readability score and word count. Free, no signup, runs in your browser.

Business Tools

Break-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 Tools

Business 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 Tools

Grammar Checker

Find doubled words, spacing mistakes, missing capitals and punctuation slips in your text. Free, no signup, and everything runs locally in your…

Business Tools

Invoice 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 Tools

Meeting 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 Tools

Merge 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 Tools

Phone 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 Tools

Productivity 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 Tools

Profit Margin Calculator

Calculate profit margin, markup percentage, and total profit. Visual comparison of revenue vs cost. Free, no signup, runs in your browser.

Business Tools

ROI 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 Tools

CSS 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 Tools

Domain 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 Tools

Fake 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 Tools

Free Online Calculator

A calculator with history: arithmetic, percentages, square root and memory keys. Free, no signup, and everything runs locally in your browser.

Everyday Tools

Random 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 Tools

Lorem Ipsum Generator

Generate placeholder text as paragraphs, sentences, or words. HTML tags and bullet lists supported. Free, no signup, runs in your browser.

Everyday Tools

Email Template Generator

Editable email templates for enquiries, quotes, follow-ups, apologies and payment reminders. Free, no signup, and everything runs locally in your…

Everyday Tools

Password Generator

Generate secure passwords with custom length, character sets, and strength meter. Free, no signup, and everything runs locally in your browser.

Everyday Tools

Password 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 Tools

QR 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 Tools

Random 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 Tools

Username 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 Tools

CSS 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 Tools

DNS 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 Tools

Domain 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 Tools

Gitignore 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 Tools

Mobile 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 Tools

Budget 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 Tools

HTML 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 Tools

Net 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 Tools

YAML 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