All tools

Count words, characters, sentences, paragraphs, and estimated reading time.

Convert text to uppercase, lowercase, title case, camelCase, snake_case, and more.

Count characters with and without spaces. Useful for tweets, meta tags, and ads.

Generate placeholder text by word, sentence, or paragraph count.

Reverse an entire string, individual words, or each line separately.

Paste a list and instantly remove duplicate lines, keeping only unique entries.

Strip extra spaces, tabs, and blank lines from any block of text.

Convert any title or phrase into a clean, URL-friendly slug.

Get a Flesch-Kincaid reading ease score, grade level, average sentence length, and reading time for any text.

Count sentences in any text and see the average number of words per sentence.

Highlight passive voice sentences in any text and see the percentage of sentences written passively.

Convert English text to Pig Latin. Preserves punctuation, capitalisation, and line breaks.

Paste any text and get reading time estimates at slow, average, and fast reading speeds.

Listen to any text read aloud using the Web Speech API. Choose voice, speed, and pitch. No data uploaded.

Count total lines, non-empty lines, and find the longest line in any pasted text.

Sort lines alphabetically, reverse, by length, or shuffle randomly. Optional deduplication.

Measure your reading speed in WPM. Includes a race mode so two people can compete on the same screen.

Convert text to Morse code and Morse code to text. Copy output, play audio beeps via Web Audio API.

Transform text into Unicode styles: bold, italic, script, bubble, gothic, and more. Click to copy each style.

Convert text to binary and binary to text. Switch direction on the same page.

Convert numbers to written English. Support up to trillions. Optional currency mode for dollars and cents.

Compress JPG, PNG, and WebP files client-side without uploading to a server.

Remove image backgrounds automatically. Runs locally in your browser.

Resize images to exact pixel dimensions or by percentage. Works offline.

Convert between JPG, PNG, WebP, and GIF formats directly in the browser.

Encode any image file to a Base64 data URI for use in HTML or CSS.

Upload an SVG logo and export a PNG at 512, 1024, or 2048 px resolution.

Upload an image, click any pixel to get its HEX, RGB, and HSL value. View pick history.

Crop images with drag handles. Free form or locked aspect ratio. Export at full resolution.

Convert images to greyscale. Luminosity, high contrast, or flat method. Drag-to-reveal comparison.

Convert SVG to PNG at 512, 1024, 2048 px or custom resolution. Transparent or solid background.

Add uniform or custom padding around images. Choose colour, see live preview, export at full resolution.

Convert kilograms to pounds instantly. Includes full conversion table.

Convert pounds to kilograms instantly. Includes full conversion table.

Convert centimetres to inches. Includes common size reference chart.

Convert inches to centimetres. Includes common size reference chart.

Convert °C to °F with formula explanation and a quick reference table.

Convert °F to °C with formula explanation and a quick reference table.

Convert miles to kilometres for speed, distance, and road trip planning.

Convert kilometres to miles for speed, distance, and road trip planning.

Convert metres to feet and inches. Useful for height and room measurements.

Convert litres to US or imperial gallons for fuel and volume calculations.

Convert miles per hour to kilometres per hour instantly. Includes a reference table for common speeds.

Convert kilometres per hour to miles per hour instantly. Includes a reference table for common speeds.

Convert ounces to grams. Includes a reference table for common cooking and baking measurements.

Convert grams to ounces. Includes a reference table for common cooking and baking measurements.

Convert US gallons to litres. Includes a reference table for common fuel and volume amounts.

Convert feet to metres with an instant result and reference table.

Convert body weight in stones to kilograms. Popular in the UK and Ireland.

Convert kilograms to stones and pounds. Popular in the UK and Ireland.

Convert square feet to square metres. Essential for real estate and property comparisons.

Convert square metres to square feet. Essential for real estate and property comparisons.

Convert US miles per gallon to litres per 100 kilometres for international fuel efficiency comparison.

Convert litres per 100 kilometres to US miles per gallon for fuel efficiency comparison.

Convert knots to miles per hour. Used in aviation, sailing, and weather forecasting.

Convert mechanical horsepower to kilowatts. Common for comparing engine power across regions.

Convert kilowatts to mechanical horsepower. Common for comparing engine power across regions.

Generate optimised title and description meta tags with live character counts.

Turn any title into an SEO-friendly URL slug. Handles special characters.

Create Open Graph and Twitter Card meta tags for better social media previews.

Analyse keyword frequency in any text to guide on-page SEO optimisation.

Convert audio files between MP3, WAV, OGG, AAC, and FLAC entirely in your browser. No upload required.

Trim the start and end of any audio file to precise timestamps. Runs entirely in your browser.

Reduce audio file size with a quality slider. Shows before and after file size.

Combine two audio files sequentially or with a crossfade transition. Browser-based, no upload.

Analyse audio loudness and normalise to a target level. Uses the Web Audio API — no upload.

Reverse any audio file and download the result. Works on MP3, WAV, OGG, FLAC, and more.

Upload an audio file and automatically detect its tempo in beats per minute using the Web Audio API.

Brown, pink, and white noise for sleep, focus, and relaxation. No account — runs entirely in your browser.

Tap to find the BPM of any song. Also calculate BPM-based delay times.

Combine multiple PDF files into one. Drag to reorder before merging.

Split a PDF by page range, or extract individual pages as separate files.

Extract all readable text from a PDF file for copying or editing.

Create professional invoices in minutes. Three design styles, PDF download, no signup required.

Create a professional Non-Disclosure Agreement in seconds. Choose mutual or one-way, pick a style, fill in the details and download as PDF — free, private, no signup.

Instantly see the page count, file size, and metadata of any PDF.

Convert every page of a PDF into high-quality PNG images.

Add page numbers to every page of your PDF in seconds.

Add a text watermark to every page of your PDF.

Rotate individual pages or all pages in your PDF.

View and edit the hidden metadata stored inside your PDF.

Add a password to your PDF to prevent unauthorised access.

Unlock a password-protected PDF. You must know the current password.

Create professional receipts instantly. Choose a style, fill in the details and download as PDF — free, private, no signup required.

Generate a complete Terms & Conditions document for your website. Full clause text, not a skeleton.

Generate a GDPR/CCPA-aware privacy policy for your website. Full clause text, not a skeleton.

Create professional client proposals in minutes. Add your scope, timeline, and pricing then download as PDF — free, private, no signup.

Create a professional Statement of Work in minutes. Define scope, milestones, and payment terms — download as PDF free, no signup required.

Create a professional email signature in seconds. Choose a template, add your details, and copy the HTML to paste into Gmail, Outlook or Apple Mail — free, no signup required.

Calculate your exact age in years, months, and days from any birth date.

Find the number of days, weeks, or months between any two dates.

Focus timer with customisable work and break intervals. Runs in-browser.

Convert times across multiple time zones simultaneously. Great for remote teams.

Prettify, validate, and minify JSON. Highlights syntax errors in real time.

Encode text or files to Base64 format. Essential for embedding assets in code.

Decode Base64 strings back to plain text or binary data.

Encode special characters in a URL string to their percent-encoded equivalents.

Decode percent-encoded URL strings back to readable text.

Generate v4 UUIDs instantly. Copy single IDs or bulk-generate a list.

Convert Unix timestamps to readable dates and back. Supports ms and seconds.

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text. Uses the browser's built-in Crypto API — no uploads.

Test regular expressions against input text with live match highlighting and capture group display.

Compare two blocks of text and highlight additions, deletions, and unchanged lines side by side.

Decode and inspect JSON Web Token headers, payloads, and expiration claims. Nothing is sent to a server.

Build cron schedules with a visual form and get an instant plain-English description of when the job will run.

Encode special characters to HTML entities and decode HTML entities back to plain text.

Convert Markdown to HTML with a live preview. Paste markdown, see it rendered, copy the raw HTML.

Upload any file to see its MIME type, file size, extension, and last modified date.

Build a robots.txt file with user-agent rules, disallowed paths, and sitemap URL — ready to download.

Generate clean 301 or 302 redirect rules for Apache .htaccess from a list of old and new URLs.

Generate a QR code with custom foreground and background colours. Download as PNG.

Upload an image or enter initials to generate a full favicon package: 16px, 32px, 48px, and 180px Apple touch icon. Download as ZIP.

Build CSS box-shadow values visually with sliders for offset, blur, spread, colour, and opacity. Live preview.

Generate the CSS for a frosted-glass UI card with adjustable blur, opacity, and border. Live preview.

Preview any URL in an iframe at mobile, tablet, laptop, and desktop widths without leaving the page.

Check your page title length and see a live Google SERP snippet preview.

Check your meta description length and see a live Google SERP snippet preview.

Build UTM-tagged URLs for campaign tracking. Source, medium, campaign, term, content.

Generate valid JSON-LD schema for Article, FAQ, Product, Local Business, Breadcrumb, and more.

Create linear, radial, and conic CSS gradients with colour stops and live preview. Developer-focused.

Visual flexbox builder with live preview. Controls for flex-direction, justify-content, align-items, gap.

Define columns and rows visually, control gap and areas, live preview, copy CSS output.

Convert JSON to CSV. Switch to CSV to JSON on the same page without navigating away.

Convert CSV to JSON. Switch to JSON to CSV on the same page without navigating away.

Beautify and format minified or messy HTML with proper indentation. Copy output.

Format SQL queries with consistent indentation and capitalised keywords. MySQL, PostgreSQL, SQLite.

Calculate future value and total interest earned with adjustable compounding frequency and a year-by-year growth table.

Calculate monthly repayments, total interest, and a full amortisation schedule for any mortgage.

Calculate monthly repayments, total interest, and full amortisation schedule.

Calculate tip amounts and split bills across any number of people.

Calculate percentages, percentage change, and what percent one number is of another.

Add or remove VAT from any price. Supports custom tax rates worldwide.

Split a restaurant bill item-by-item. Assign each dish to the people who ordered it and see exactly what each person owes.

Calculate the fuel cost of any trip from distance, fuel efficiency (MPG or L/100km), and fuel price.

Enter a price that includes VAT to extract the pre-tax amount and VAT separately.

Convert between an hourly rate and annual, monthly, weekly, and daily salary equivalents.

Calculate sale price from a percentage off, find what discount % was applied, or work out original price.

Start a live cost counter based on attendees and average salary to see what a meeting is costing in real time.

Estimate net take-home pay after income tax and NI (UK) or federal income tax (US).

Calculate gross profit margin %, markup %, and profit amount from revenue and cost.

Convert between 30+ currencies with live exchange rates and a 30-day trend chart.

Calculate return on investment: ROI %, net profit, and multiplier. Optional annualised ROI with time period.

Estimate body fat percentage using the US Navy measurement method. Supports metric and imperial inputs.

Estimate your 1RM from a sub-max set using the Epley formula. Includes a full loading percentage table.

Calculate running pace, finish time, or distance from any two known values. Includes race finish time estimates.

Estimate your daily maintenance calories and targets using TDEE and goals.

Calculate Body Mass Index with interpretation and healthy range reference.

Calculate daily protein, carbohydrate, and fat targets based on your goals.

Estimate your daily water needs based on weight, activity level, and climate.

Calculate your recommended daily protein intake in grams based on body weight and fitness goal.

Calculate the best bedtime or wake-up time based on 90-minute sleep cycles.

Find your exact age in days, weeks, and months — with a live seconds counter since your birth.

Calculate your 5 training heart rate zones from your age and optional resting heart rate.

Split your daily protein goal across meals with equal or custom distribution options.

Estimate calories burned by activity type, body weight, and duration. MET-based calculation.

Convert length, weight, temperature, volume, and more from one unit to another.

Generate strong, random passwords with custom length and character rules.

Convert colours between HEX, RGB, HSL, and HSB formats with a live preview.

Build linear and radial CSS gradients. Add colour stops, set angle, get Tailwind classes.

Browse the full Tailwind palette. Click any colour to copy HEX, RGB, or the class name.

Enter two colours and see the WCAG contrast ratio. Pass/fail for AA and AAA.

Enter a base colour and generate complementary, analogous, triadic, and monochromatic palettes.

Generate QR codes for URLs, text, or contact details. Download as PNG.

Generate random integers or decimals within any range. Supports bulk output.

Convert dimensions to aspect ratio or ratio to dimensions. Supports 16:9, 4:3, and more.

See your screen resolution, viewport size, device pixel ratio, browser, and OS.

Flip a virtual coin with satisfying animation. See result, history, and session stats.

Roll d4, d6, d8, d10, d12, or d20. Roll multiple dice, add modifier, see history.

Find the best meeting time across multiple timezones. Add your cities, see everyone's working hours at a glance, and find the perfect overlap — free, no signup.

Focus timer with task list. Track pomodoros per task, daily stats, and focus time.

Create bar, line, pie, and doughnut charts from data. Paste CSV or enter manually. Download PNG.