All Tools (890) · Page 7 of 19

Search and filter through every Markvibe tool — 35 categories, 890 utilities, zero sign-ups.

Sentence Counter

Count the number of sentences in text.

Open tool
Paragraph Counter

Count paragraphs separated by blank lines.

Open tool
Unique Words Extractor

Extract every unique word from your text.

Open tool
Text Truncator

Trim text to a max character length with ellipsis.

Open tool
Text Pad Left

Pad each line on the left to a fixed width.

Open tool
Text Pad Right

Pad each line on the right to a fixed width.

Open tool
Binary to Hex

Convert binary numbers to hexadecimal.

Open tool
Hex to Binary

Convert hexadecimal numbers to binary.

Open tool
Base32 Encode

Encode text to Base32 (RFC 4648).

Open tool
Base32 Decode

Decode Base32 (RFC 4648) back to text.

Open tool
Backwards Text (Unicode)

Reverse text safely with Unicode code points.

Open tool
Unicode Escape Encoder

Encode text to \u-escape sequences.

Open tool
Unicode Escape Decoder

Decode \u-escape sequences back to text.

Open tool
UTF-8 Byte Counter

Count exact UTF-8 byte length of text.

Open tool
String Length Counter

Count characters and Unicode code points.

Open tool
Unicode Code Point Lookup

List each character's Unicode code point.

Open tool
Geometric Mean Calculator

Compute the geometric mean of a list of numbers.

Open tool
Variance Calculator

Compute the population variance of numbers.

Open tool
Standard Deviation Calculator

Compute the standard deviation of a dataset.

Open tool
Percentile Calculator

Compute any percentile of a number list.

Open tool
Number Base Converter

Convert numbers between any base from 2 to 36.

Open tool
Modulo Calculator

Compute A mod B for any two integers.

Open tool
Absolute Value Calculator

Get the absolute value of any number.

Open tool
Rounding Calculator

Round numbers to any decimal precision.

Open tool
Scientific Notation Converter

Convert numbers to scientific (E-notation).

Open tool
Degrees to Radians

Convert degrees to radians instantly.

Open tool
CSS Aspect Ratio Calculator

Simplify width/height into a clean aspect-ratio.

Open tool
CSS rem ↔ px Converter

Convert between rem and pixels using any root size.

Open tool
CSS em ↔ px Converter

Convert between em and pixels using any parent size.

Open tool
CSS Line Height Calculator

Compute unitless line-height from px values.

Open tool
SVG to Data URL

Convert SVG markup into a CSS data: URL.

Open tool
ISO 8601 to Date

Convert an ISO 8601 string to a readable date.

Open tool
Date to ISO 8601

Convert a local date into ISO 8601 format.

Open tool
Minutes to Hours

Convert total minutes into hours and minutes.

Open tool
Milliseconds to Time

Convert milliseconds into h:m:s.ms.

Open tool
Epoch Now

Show the current Unix timestamp in seconds and ms.

Open tool
UUID v7 Generator

Generate time-ordered UUIDv7 identifiers.

Open tool
Random ZIP Code

Generate a random 5-digit US ZIP code.

Open tool
Random Playing Card

Draw a random card from a standard 52-card deck.

Open tool
Random Yes / No

Let the universe decide — random Yes or No.

Open tool
Random Rock Paper Scissors

Random Rock, Paper, or Scissors pick.

Open tool
Roman Numeral to Number

Convert Roman numerals back to integers.

Open tool
Bitwise NOT Calculator

Compute bitwise NOT of any integer.

Open tool
XOR Cipher

Encrypt or decrypt text with a repeating XOR key.

Open tool
Line Numberer

Prepend a line number to every line of text.

Open tool
Tab to Spaces Converter

Replace tabs with a configurable number of spaces.

Open tool
Nth Root Calculator

Compute the nth root of any number.

Open tool
Log Base 10 Calculator

Compute log base 10 of any number.

Open tool