Free Online Tools for Text, Developers & More

Counts characters, characters without spaces, lines and paragraphs in your text instantly.

Word Counter

Counts words, sentences and characters; estimates reading time and highlights your most-used words.

Case Converter

Converts text to uppercase, lowercase or title case and flips letter case with one click.

Whitespace Cleaner

Trims lines, collapses repeated spaces and removes blank lines from your text.

Duplicate Line Remover

Removes duplicate lines and keeps only the first occurrence of each line.

Lorem Ipsum Generator

Generates placeholder Lorem Ipsum text in the number of paragraphs and sentences you request.

Line Sorter

Sorts the lines of your text by alphabet, length, numeric value or shuffled order.

List Randomizer

Shuffles a list of items or draws one random item from it in your browser.

Text Diff Checker

Compares two texts line by line and highlights added, removed and unchanged lines side by side.

Security

Password Generator

Generates strong random passwords in your browser with your choice of length and character types.

SHA Hash Generator

Computes the SHA-1, SHA-256 or SHA-512 digest of your text in the browser; copy it with one click.

Password Strength Checker

Measures how strong your password is with an entropy estimate and suggests improvements.

MD5 Hash Generator

Computes the MD5 hex digest of your text instantly and copies it in one click.

MD5 File Checksum

Computes the MD5 checksum of a file entirely in your browser without uploading it.

Developer

JSON Formatter

Formats, validates and prettifies JSON code; reports syntax errors with line numbers.

Base64 Encoder/Decoder

Converts text to Base64 or decodes Base64 data back to its original content.

URL Encoder/Decoder

Encodes text into URL-safe form or decodes encoded URL parameters into readable form.

QR Code Generator

Turns text or a link into a QR code instantly in your browser; download it as PNG.

Color Converter

Converts between HEX, RGB and HSL instantly with a live preview and one-click copying.

UUID Generator

Generates random UUID v4 (GUID) identifiers in one click; copy several at once.

Number Base Converter

Converts numbers between binary, octal, decimal and hexadecimal instantly in your browser.

Regex Tester

Tests a regular expression against your text live and highlights every match.

JWT Decoder

Decodes a JWT into its header, payload and signature, shown as readable JSON.

Calculation

BMI Calculator

Calculates your body mass index from height and weight and interprets the result clearly.

VAT Calculator

Calculates tax amount and total price instantly for your amount and VAT rate.

Percentage Calculator

Computes the percentage of a number, the percentage change and a share of a whole on one screen.

Age Calculator

Shows your age in years, months, days, hours, minutes and seconds live from your birth date.

Date Difference

Calculates the difference between two dates in years, months, days, hours and weeks instantly.

Unit Converter

Converts between length, weight, volume, area and temperature units quickly.

Tip Calculator

Calculates tip amount, total bill and per-person share instantly for any bill and tip percentage.

Discount Calculator

Computes discount amount, final price and savings percentage from original price and discount rate.

Average Calculator

Finds the average, sum, count, minimum and maximum of a list of numbers instantly.

Image

Image Compressor

Compress JPG, PNG and WebP images online with a quality slider — smaller files, same look.

Image Resizer

Resize images online for free — set exact width and height while keeping the aspect ratio.

Image Converter

Convert images between JPEG, PNG and WebP online for free with adjustable quality.

Image to Base64

Turn any image into a Base64 data URL online — free, instant, no upload.

Image Color Picker

Pick any color from an image online — live HEX and RGB values with a saved palette.

SEO

Slug Generator

Turn any title into a clean, URL-ready slug with custom separators and instant copy.

Meta Tag Generator

Generate title, meta description, Open Graph and Twitter card tags with a live Google-style preview.

Keyword Density Checker

Analyze any text to see its most frequent words, total and unique word counts, and percentage density.

SERP Preview Checker

Preview exactly how your page title and meta description will appear in Google search results.

Readability Score

Score any text with the Flesch Reading Ease formula and get an approximate grade level instantly.