How to use a character counter for SEO titles, descriptions and posts
Learn when counting characters, words and lines helps you review search snippets, social posts and everyday content.
Start with tools people search for in English: word counter, character counter, case converter, reverse text, online notepad, duplicate line remover, text compare, URL parser, JSON formatter and email extractor.
16 tools
Write notes and save them locally
Check times by city and time zone
Add days, months or years to a date
Subtract days, months or years from a date
Find the week number for a date
Count time remaining to a date
Split a bill between people
Calculate tip and final total
Estimate trip fuel cost
Calculate fuel use by distance
Convert salary into hourly pay
Compare price per item or unit
Add or compare hours and minutes
Build a quick shopping list
Start, pause, reset and record laps
Control focus blocks, breaks and cycles
36 tools
Count letters, spaces and lines
Change text case in seconds
Reverse letters, words or lines
Replace accented letters with plain text
Find and replace text fragments
Remove repeated lines from lists
Sort lines alphabetically
Remove blank lines from text
Add text before or after each line
Join multiple lines into one
Split text into shorter lines
Remove extra spaces from text
Normalize spaces between words
Find the most repeated words
Strip tags and keep plain text
Compare items between two lists
Show missing or extra items
Count words and reading time
Show differences between texts
Count filled or blank lines
Count paragraph blocks
Count sentences in text
Repeat a phrase many times
Flip text upside down
Find repeated words in text
Show common items between lists
Merge lists without duplicates
Split first and last names
Filter lines by character length
Count lines with the same prefix
Turn text into one-letter-per-line output
Visualize frequent words as a cloud
Train word-by-word reading
Measure WPM, accuracy and typing time
Suggest word variations in a text
Check common mistakes in short texts
14 tools
Do basic calculations quickly
Calculate percentages and changes
Solve proportions with rule of three
Calculate age from a birth date
Calculate the average of numbers
Estimate text reading time
Estimate speech time from text
Calculate BMI from weight and height
Find final price after discount
Project compound interest
Calculate simple interest
Measure percentage change
Add, subtract, multiply and divide fractions
Estimate meat, drinks and sides
47 tools
Convert values between currencies
Extract clean text from HTML
Turn Markdown into HTML
Turn JSON into CSV rows
Turn CSV into structured JSON
Convert text to binary code
Build a JSON array from a list
Extract JSON values into lines
Convert pixels to REM and back
Convert Roman and regular numbers
Convert timestamps to readable dates
Convert Celsius, Fahrenheit and Kelvin
Convert length measurements
Convert kilos, pounds and grams
Convert decimal, binary and hex
Convert HEX, RGB and HSL colors
Translate text and Morse code
Encode and decode with ROT13
Turn JSON into YAML
Create an HTML table from CSV
Remove Markdown and keep text
Turn YAML into JSON
Turn JSON into XML
Turn XML into JSON
Create a Markdown table from CSV
Extract CSV from an HTML table
Turn HTML into Markdown
Convert bytes, KB, MB and GB
Convert seconds, minutes and hours
Convert meters, hectares and acres
Convert liters, ml and gallons
Convert km/h, mph and m/s
Write numbers in words
Convert joules, calories and kWh
Convert bar, psi and pascal
Convert watts, hp and kW
Convert degrees and radians
Convert hertz, kHz and MHz
Turn CSV commas into tabs
Turn tab-separated data into CSV
Spell letters with NATO words
Turn lines into HTML paragraphs
Change image width, height and format
Convert photos to grayscale
Reduce image file size locally
Cut an image area in the browser
Turn JPG into PDF locally
35 tools
Add numbers to the start of lines
Remove numbering from line starts
Wrap each line in quotes
Format JSON with indentation
Remove spaces from CSS
Compress JavaScript for production
Shrink HTML by removing spaces
Format HTML with indentation
Remove hidden characters from text
Compress JSON into one line
Format XML with indentation
Format SQL queries
Apply masks to CPF and CNPJ
Apply phone number masks
Apply masks to Brazilian ZIP codes
Standardize dates in common formats
Format CSS with indentation
Format JavaScript with indentation
Keep only digits in CPF and CNPJ
Remove emojis from text
Standardize line breaks
Prepare phone numbers for WhatsApp
Group phones by area code
Remove punctuation from text
Keep only digits
Keep only letters
Normalize curly and straight quotes
Standardize hyphens and dashes
Remove non-ASCII characters
Compress text into one line
Remove lines containing a term
Clean lists copied from Excel
Remove repeated words
Remove common stop words
Create safe file names
18 tools
Check CPF digits and format
Check CNPJ digits and format
Check email address format
Find JSON syntax errors
Check alphanumeric CNPJ
Check whether a UUID is valid
Check protocol, domain and path
Find XML syntax errors
Check CSV columns and rows
Validate numbers with Luhn check
Find YAML syntax errors
Measure password strength
Check contrast for readability
Check IPv4 and IPv6 addresses
Check MAC address format
Check HEX color codes
Check domain name format
Check robots.txt rules
14 tools
Encode or decode URLs
Encode and decode Base64
Convert symbols to HTML entities
Convert text to Unicode escapes
Read JWT header and payload
Test regex against sample text
Explain cron schedule expressions
Encode Base64URL for links
Escape or unescape JSON strings
Find values by JSON path
Create responsive CSS clamp
Encrypt and decrypt text in the browser
Generate fictitious bank data for QA
Generate Luhn-valid fictitious cards for forms
19 tools
Calculate days between dates
Count business days between dates
See years, months and days between dates
See age in years, months and days
Find the weekday for a date
See how many days remain
See how many days passed
Find the first and last day of a month
Check if a number is prime
Break numbers into prime factors
List divisors of a number
Calculate GCD and LCM
Generate Fibonacci sequence terms
Round with decimal places
See the day number and days remaining
List common holidays by country and year
Calculate phase, lunar age and illumination
Find a sun sign by day and month
Find the season by date and hemisphere
12 tools
Shuffle items in a list
Draw names from a list
Roll dice for quick draws
Flip between two options
Generate numbers within a range
Generate a random HEX color
Generate dates within a range
Split names into teams
Generate numbers for raffles
Spin a wheel with names or options
Generate random Mega-Sena style tickets
Pick random words for ideas, games and writing
12 tools
Group emails by domain
Split emails into lines
Build CSV from emails
Count domains in an email list
Extract names before the @
Remove repeated emails
Standardize emails in lowercase
Separate personal and business emails
Remove generic email contacts
Create mailto links in bulk
Generate a visual temporary email
Clean and organize email lists
15 tools
Split a URL into its parts
Remove tracking parameters
Find Brazilian address by ZIP
Preview title, image and description
Preview Google title and description
Split URL query parameters
Build URL query parameters
Build an XML sitemap from URLs
Create hreflang tags by language
Create Schema structured data
Measure keyword repetition
Count links inside a sitemap
Check meta description length
Check title tag length
Save and export links locally
18 tools
Extract one column from CSV
Find emails in text and lists
Find numbers inside text
Find links in text and HTML
Extract domains from links
Find valid CPFs in lists
Find valid CNPJs in lists
Find valid mobile numbers
Find Brazilian ZIP codes in text
Find IP addresses in text
Extract hashtags from posts
Extract @mentions from text
Extract emojis from text
Extract attributes from HTML tags
Keep lines containing a term
Keep lines without a term
List words without repeats
Split columns by comma or tab
33 tools
Create clean slugs for URLs
Create styled letters to copy
Build links with number and message
Create URLs with UTM tracking
Create UUIDs for testing
Create strong random passwords
Generate placeholder layout text
Build rules for search robots
Create title and description tags
Create a fake Brazilian address
Create a fake US address
Generate valid CPFs for testing
Generate valid CNPJs for testing
Create hashes from text
Generate test alphanumeric CNPJ
Create palettes from one color
Build ready CSS gradients
Create prefilled email links
Create an HTML link tag
Build visual CSS shadows
Tune CSS rounded corners
Create WhatsApp links in bulk
Extract initials from names
Create a QR code for text or links in your browser
Create a QR code for joining a Wi-Fi network
Search and copy special symbols
Search and copy emojis with one click
Create a static Pix QR code with copyable payload
Generate Code 39 barcode as SVG
Generate multiple Code 39 barcodes as SVG
Create a simple receipt to copy or print
Create a simple template to copy or print
Generate lightweight fake profiles for testing
18 tools
Estimate growth with starting amount, monthly deposits and rate
Estimate how 1000 can grow with a custom rate and term
Estimate compound growth for 10000 over time
Estimate Brazilian CDI-based yield with editable assumptions
Compare two editable yield scenarios side by side
Estimate gross return at 110% of CDI
Estimate gross return at 120% of CDI
Compare estimated LCI and CDB returns
Compare estimated LCA and CDB returns
Compare Treasury Selic and savings
Estimate savings with deposits and editable rate
Calculate target, gap and estimated time
Estimate time, deposits and growth to a target
Estimate target portfolio and timeline
Estimate payments, interest and total paid
Estimate dividend income by period
Estimate REIT-style monthly income
Calculate adjustments by target percentage
Each tool has its own page and shows the result directly on the screen.
Texteme keeps simple tools in English and Portuguese, with separate pages by language for global search and AI discovery.
Read the blogSee comparisonsSimple guides about online tools, extractors, generators, text, lists, emails and productivity.
Learn when counting characters, words and lines helps you review search snippets, social posts and everyday content.
Organize lists, remove duplicates and split contacts without sending your text to a server.
See when browser-based generators help with quick development, content and testing tasks.