Every public route in one ledger.
Browse by section below or use the search rail to jump straight to a route.
Converters
Acceleration converter
Acceleration converter keeps the common acceleration units in one fast panel with direct deep links and precision control.
Amount of substance
Amount of substance keeps the common amount of substance units in one fast panel with direct deep links and precision control.
Angle converter
Angle converter keeps the common angle units in one fast panel with direct deep links and precision control.
Area converter
Area converter keeps the common area units in one fast panel with direct deep links and precision control.
Astronomical distance
Astronomical distance keeps the common astronomical units in one fast panel with direct deep links and precision control.
Blood sugar converter
Blood sugar converter keeps the common blood sugar units in one fast panel with direct deep links and precision control.
Capacitance converter
Capacitance converter keeps the common capacitance units in one fast panel with direct deep links and precision control.
Computer data storage
Computer data storage keeps the common computer units in one fast panel with direct deep links and precision control.
Cooking volume
Cooking volume keeps the common cooking units in one fast panel with direct deep links and precision control.
Data transfer
Data transfer keeps the common computer transfer units in one fast panel with direct deep links and precision control.
Density converter
Density converter keeps the common density units in one fast panel with direct deep links and precision control.
Dynamic viscosity converter
Dynamic viscosity converter keeps the common dynamic viscosity units in one fast panel with direct deep links and precision control.
Electric charge converter
Electric charge converter keeps the common electric charge units in one fast panel with direct deep links and precision control.
Electrical resistance
Electrical resistance keeps the common electrical resistance units in one fast panel with direct deep links and precision control.
Energy converter
Energy converter keeps the common energy units in one fast panel with direct deep links and precision control.
Force
Force keeps the common force units in one fast panel with direct deep links and precision control.
Illuminance
Illuminance keeps the common illuminance units in one fast panel with direct deep links and precision control.
Inductance converter
Inductance converter keeps the common inductance units in one fast panel with direct deep links and precision control.
Length converter
Length converter keeps the common length units in one fast panel with direct deep links and precision control.
Luminance converter
Luminance converter keeps the common luminance units in one fast panel with direct deep links and precision control.
Luminous energy
Luminous energy keeps the common luminous energy units in one fast panel with direct deep links and precision control.
Luminous intensity
Luminous intensity keeps the common luminous intensity units in one fast panel with direct deep links and precision control.
Magnetic field converter
Magnetic field converter keeps the common magnetic field units in one fast panel with direct deep links and precision control.
Magnetic field strength
Magnetic field strength keeps the common magnetic field strength units in one fast panel with direct deep links and precision control.
Magnetic flux converter
Magnetic flux converter keeps the common magnetic flux units in one fast panel with direct deep links and precision control.
Magnetomotive force
Magnetomotive force keeps the common magnetomotive force units in one fast panel with direct deep links and precision control.
Metric converter
Metric converter keeps the common metric units in one fast panel with direct deep links and precision control.
Molar mass
Molar mass keeps the common molar mass units in one fast panel with direct deep links and precision control.
Power converter
Power converter keeps the common power units in one fast panel with direct deep links and precision control.
Pressure
Pressure keeps the common pressure units in one fast panel with direct deep links and precision control.
Radioactive decay
Radioactive decay keeps the common radioactive decay units in one fast panel with direct deep links and precision control.
Radioactivity equivalent dose
Radioactivity equivalent dose keeps the common radioactivity equivalent dose units in one fast panel with direct deep links and precision control.
Speed converter
Speed converter keeps the common speed units in one fast panel with direct deep links and precision control.
Speed of wind
Speed of wind keeps the common windspeed units in one fast panel with direct deep links and precision control.
Temperature converter
Temperature converter keeps the common temperature units in one fast panel with direct deep links and precision control.
Time
Time keeps the common time units in one fast panel with direct deep links and precision control.
Torque
Torque keeps the common torque units in one fast panel with direct deep links and precision control.
Volume converter
Volume converter keeps the common volume units in one fast panel with direct deep links and precision control.
Weight / mass
Weight / mass keeps the common weight units in one fast panel with direct deep links and precision control.
Women’s clothing
Women’s clothing lines up regional sizing tables so you can move across the common labels without guessing.
Women’s dresses
Women’s dresses lines up regional sizing tables so you can move across the common labels without guessing.
Women’s blouses
Women’s blouses lines up regional sizing tables so you can move across the common labels without guessing.
Women’s shoes
Women’s shoes lines up regional sizing tables so you can move across the common labels without guessing.
Men’s clothing
Men’s clothing lines up regional sizing tables so you can move across the common labels without guessing.
Men’s t-shirts
Men’s t-shirts lines up regional sizing tables so you can move across the common labels without guessing.
Men’s dress shirts
Men’s dress shirts lines up regional sizing tables so you can move across the common labels without guessing.
Men’s jeans waist
Men’s jeans waist lines up regional sizing tables so you can move across the common labels without guessing.
Men’s jeans length
Men’s jeans length lines up regional sizing tables so you can move across the common labels without guessing.
Men’s socks
Men’s socks lines up regional sizing tables so you can move across the common labels without guessing.
Men’s underwear
Men’s underwear lines up regional sizing tables so you can move across the common labels without guessing.
Men’s hats
Men’s hats lines up regional sizing tables so you can move across the common labels without guessing.
Men’s shoes
Men’s shoes lines up regional sizing tables so you can move across the common labels without guessing.
Childrens clothing
Childrens clothing lines up regional sizing tables so you can move across the common labels without guessing.
Childrens shoes
Childrens shoes lines up regional sizing tables so you can move across the common labels without guessing.
Frequency converter
Frequency converter keeps the common frequency units in one fast panel with direct deep links and precision control.
Electric current converter
Electric current converter keeps the common electric current units in one fast panel with direct deep links and precision control.
Voltage converter
Voltage converter keeps the common voltage units in one fast panel with direct deep links and precision control.
Conductance converter
Conductance converter keeps the common conductance units in one fast panel with direct deep links and precision control.
Kinematic viscosity converter
Kinematic viscosity converter keeps the common kinematic viscosity units in one fast panel with direct deep links and precision control.
Volumetric flow converter
Volumetric flow converter keeps the common volumetric flow units in one fast panel with direct deep links and precision control.
Mass flow converter
Mass flow converter keeps the common mass flow units in one fast panel with direct deep links and precision control.
Fuel economy converter
Fuel economy converter keeps the common fuel economy units in one fast panel with direct deep links and precision control.
Concentration converter
Concentration converter keeps the common concentration units in one fast panel with direct deep links and precision control.
Surface density converter
Surface density converter keeps the common surface density units in one fast panel with direct deep links and precision control.
Thermal conductivity converter
Thermal conductivity converter keeps the common thermal conductivity units in one fast panel with direct deep links and precision control.
Sound level converter
Sound level converter keeps the common sound level units in one fast panel with direct deep links and precision control.
Ring sizes converter
Ring sizes converter lines up regional sizing tables so you can move across the common labels without guessing.
Bra sizes converter
Bra sizes converter lines up regional sizing tables so you can move across the common labels without guessing.
Glove sizes converter
Glove sizes converter lines up regional sizing tables so you can move across the common labels without guessing.
Math
Percentage calculator
Percentage calculator covers the four percentage jobs people hit most often: finding a portion, reverse-solving the base number, comparing values, and measuring percent change.
Pythagorean theorem
Pythagorean theorem solves the missing side of a right triangle when you know the other two values.
Circle calculator
Circle calculator gives you diameter, circumference, and area from a single radius input.
Regular hexagon calculator
Regular hexagon calculator turns one edge measurement into the standard regular-polygon outputs: perimeter, area, apothem, and circumradius.
Regular pentagon calculator
Regular pentagon calculator turns one edge measurement into the standard regular-polygon outputs: perimeter, area, apothem, and circumradius.
Parallelogram calculator
Parallelogram calculator turns base, side, and height into the standard area and perimeter values.
Rectangle calculator
Rectangle calculator reports area, perimeter, and diagonal from length and width.
Rhombus calculator
Rhombus calculator focuses on the practical pair of side and height so you can get area and perimeter quickly.
Square calculator
Square calculator returns area, perimeter, and diagonal from a single side length.
Equilateral triangle calculator
Equilateral triangle calculator takes one side and returns perimeter, height, and area.
Cone calculator
Cone calculator reports volume, total surface area, and slant height from radius and height.
Cube calculator
Cube calculator turns one edge length into volume, surface area, and space diagonal.
Rectangular cuboid calculator
Rectangular cuboid calculator covers volume, surface area, and space diagonal for box-like solids.
Cylinder calculator
Cylinder calculator gives you volume, lateral area, and total surface area from radius and height.
Dodecahedron calculator
Dodecahedron calculator focuses on the classic edge-length input for surface area and volume.
Icosahedron calculator
Icosahedron calculator turns one edge length into the common regular-solid outputs.
Octahedron calculator
Octahedron calculator reports volume and surface area from a single edge measurement.
Prism calculator
Prism calculator is a generic right-prism helper: feed it base area, base perimeter, and prism height to get volume and surface area.
Hexagonal prism calculator
Hexagonal prism calculator uses side length and prism height to report base area, volume, and surface area.
Pentagonal prism calculator
Pentagonal prism calculator handles regular pentagonal bases and a prism height in one panel.
Triangular prism calculator
Triangular prism calculator assumes a regular triangular base so you can work from side length and prism height quickly.
Hexagonal pyramid calculator
Hexagonal pyramid calculator turns a regular hexagon edge and pyramid height into the usual pyramid outputs.
Pentagonal pyramid calculator
Pentagonal pyramid calculator is the regular-five-sided version of the pyramid helper.
Rectangular pyramid calculator
Rectangular pyramid calculator works from length, width, and height and reports the two slant heights as well.
Square pyramid calculator
Square pyramid calculator gives you slant height, volume, lateral area, and total area from a base edge and height.
Sphere calculator
Sphere calculator converts one radius into diameter, volume, and surface area.
Torus calculator
Torus calculator needs a major radius and a minor radius to return surface area and volume.
Tetrahedron calculator
Tetrahedron calculator turns one regular edge value into height, area, and volume.
Text
ASCII to text converter
Convert a run of ASCII character codes into readable text or encode plain text back into numeric codes.
Hexadecimal to text converter
Hexadecimal to text converter handles both directions so you can decode byte strings or inspect text as hex.
Text to binary converter
Text to binary converter switches between plain text and binary bytes in one panel.
Octal to text converter
Octal to text converter helps when you need to decode legacy octal character data or inspect output in octal form.
Morse code converter
Morse code converter translates between plain text and International Morse sequences.
Base64 tool
Base64 tool supports both encoding and decoding for quick transport-safe text conversions.
Uppercase text
Uppercase text converts every letter to upper case while leaving punctuation and spacing intact.
Lowercase text
Lowercase text forces letter casing down without touching the rest of the content.
Randomcase text
Randomcase text scrambles letter case for playful formatting or quick test data.
Remove letter accents
Remove letter accents strips diacritics while keeping the plain-letter backbone of the text.
Capitalize words
Capitalize words promotes the first letter of each word and is handy for titles and labels.
Capitalize sentence
Capitalize sentence fixes sentence starts while keeping the rest of the line readable.
Reverse text
Reverse text flips the character order of the full input.
Reverse words
Reverse words flips word order while preserving each word itself.
Rot13 tool
Rot13 tool applies the classic letter rotation in both directions, so the same page both encodes and decodes the text.
Strip tags
Strip tags removes HTML markup and leaves the readable text behind.
Filter lines
Filter lines keeps only the lines that match or exclude a chosen needle.
Sort lines
Sort lines orders pasted lines alphabetically in ascending or descending order.
Reverse lines
Reverse lines flips the order of pasted lines from bottom to top.
Shuffle lines
Shuffle lines randomizes the order of the current lines.
Delete duplicate lines
Delete duplicate lines keeps the first occurrence of each line and removes repeats.
Delete empty lines
Delete empty lines strips blank rows and tightens the output.
Add line numbers
Add line numbers prefixes each line so the block is easier to reference in reviews or notes.
Add line breaks by needle
Add line breaks by needle inserts a newline whenever a chosen separator appears.
Add line breaks by length
Add line breaks by length wraps long plain text into a fixed-width layout.
Add prefix or suffix into line
Add prefix or suffix into line stamps every non-empty line with the same wrapper text.
Merge text
Merge text combines two blocks line by line with a custom separator.
Column extractor
Column extractor pulls one or more columns out of a delimited block.
Random number generator
Random number generator makes repeatable batches of random values within a chosen range.
Random string generator
Random string generator builds quick tokens from letters, numbers, and symbols.
Shuffle letters
Shuffle letters randomizes the letters of each word or the entire text.
Clean text
Clean text trims control characters, normalizes whitespace, and gives pasted content a cleaner baseline.
Compress text
Compress text packs the current text with gzip and returns a Base64 envelope that is easier to move around.
Text statistics
Text statistics reports character, word, line, sentence, and reading-time counts at a glance.
Remove line breaks
Remove line breaks flattens multiline text back onto a single line.
Remove spaces
Remove spaces strips every space-like character from the text.
Remove extra spaces
Remove extra spaces collapses repeated spaces and trims the outside edges.
Replace text
Replace text does plain-text search and replace with an optional case-sensitivity toggle.
Count characters
Count characters breaks down how often each character appears in the input.
Levenshtein distance
Levenshtein distance measures how many single-character edits separate two strings.
Metaphone tool
Metaphone tool returns phonetic codes that help compare how words sound rather than how they are spelled.
Similar text
Similar text compares two strings with multiple similarity scores so near-matches are easier to spot.
Count text entries
Count text entries totals list entries based on line breaks or a custom separator.
Text to HTML
Text to HTML gives you a full visual editor and a live HTML source panel so formatted content can be exported cleanly.
Barcode generator
Barcode generator draws common retail and inventory barcode formats directly in the browser and lets you export the result as SVG.
QR code generator
QR code generator builds styled QR codes in the browser with live preview, download controls, and optional center-logo branding.
Adler-32 hash
Adler-32 hash gives you a fast lightweight checksum for plain text input.
CRC checksum
CRC checksum gives you CRC-32 and CRC-64 style outputs from the same input panel.
GOST hash
GOST hash provides a browser-side Russian standard digest for compatibility checks and legacy workflows.
HAVAL hash
HAVAL hash runs fully in the browser and lets you switch between the standard output lengths and round counts from one page.
MD4 hash
MD4 hash keeps legacy digest generation available for old systems that still expect it.
MD5 hash
MD5 hash is useful for quick non-security checksum comparisons and legacy compatibility.
RIPEMD hash
RIPEMD hash generates the widely used RIPEMD-160 digest for compatibility checks.
Salsa20 stream tool
Salsa20 stream tool encrypts or decrypts text with a key and nonce for lightweight compatibility testing.
SHA hash tool
SHA hash tool lets you switch clearly between SHA-1, SHA-2, and SHA-3 family members from one page.
Snefru hash
Snefru hash is here for older compatibility workflows that still expect the classic digest family.
Tiger hash
Tiger hash provides a fast legacy digest option for archival or compatibility checks.
Whirlpool hash
Whirlpool hash returns the 512-bit digest for users who need that family specifically.
Other
Add or subtract date
Add or subtract date moves a starting date by days, weeks, months, or years and reports the result clearly.
Calendar
Calendar gives you a clean month grid with ISO week numbers and weekday labels.
City clock
City clock shows the current local time across a short list of common world cities.
Daylight saving time calculator
Daylight saving time calculator shows whether a zone observes DST and when the next transitions land.
Days between calculator
Days between calculator reports the gap between two dates in days, weeks, months, and years.
Meeting planner
Meeting planner maps one date and time across several cities so cross-zone meetings are easier to place.
Moon phase calculator
Moon phase calculator estimates the moon phase, illumination, and age for a chosen date.
Sunrise calculator
Sunrise calculator estimates sunrise, sunset, dawn, dusk, and solar noon from a date and coordinates.
Time difference calculator
Time difference calculator shows the offset between two time zones for the same moment.
Time since calculator
Time since calculator turns a past or future date into an elapsed-time breakdown.
Men’s 3-site body fat
Men’s 3-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s 4-site body fat
Men’s 4-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s 7-site body fat
Men’s 7-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s Durnin & Womersley body fat
Men’s Durnin & Womersley body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s girth body fat
Men’s girth body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s Parillo body fat
Men’s Parillo body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s Sloan body fat
Men’s Sloan body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Men’s Yuhasz body fat
Men’s Yuhasz body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s 3-site body fat
Women’s 3-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s 4-site body fat
Women’s 4-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s 7-site body fat
Women’s 7-site body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s Durnin & Womersley body fat
Women’s Durnin & Womersley body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s girth body fat
Women’s girth body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s Parillo body fat
Women’s Parillo body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s Sloan body fat
Women’s Sloan body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
Women’s Yuhasz body fat
Women’s Yuhasz body fat estimates body fat from the measurement set associated with that method and returns the derived percent plus a short classification note.
BMI calculator
BMI calculator converts height and weight into body-mass index and a standard category label.
Pregnancy baby weight calculator
Pregnancy baby weight calculator gives a rough fetal-weight estimate by gestational week using a simple milestone table.
Pregnancy due date calculator
Pregnancy due date calculator uses the last menstrual period or conception date to estimate an expected due date.
Baby allergy risk
Baby allergy risk gives a simple inherited-risk estimate based on family allergy history.
Baby blood type
Baby blood type lists the likely ABO and Rh outcomes from the parents’ blood groups.
Fertile days calculator
Fertile days calculator estimates an ovulation day and fertile window from cycle timing.
Type of body calculator
Type of body calculator uses height and wrist size to estimate a small, medium, or large body frame.
Proper weight calculator
Proper weight calculator estimates an ideal-weight range from height and sex using a classic simple formula.
Waist to hip ratio calculator
Waist to hip ratio calculator converts waist and hip measurements into the WHR value and a simple risk label.
Speed to tempo
Speed to tempo converts travel speed and distance per beat into beats per minute.
IP calculator
IP calculator turns an IPv4 CIDR block into network, broadcast, mask, and host-range details.
Domain existence checker
Domain existence checker checks whether a public DNS record resolves for the domain name you enter.
Timestamp to date
Timestamp to date converts Unix seconds or milliseconds into readable local and UTC times.
CPI inflation calculator
CPI inflation calculator applies an annual inflation rate to show how purchasing power changes over time.
Investment calculator
Investment calculator models compounding growth with an optional monthly contribution.
Investment inflation calculator
Investment inflation calculator shows nominal growth and an inflation-adjusted real result side by side.
Adjustable rate mortgage calculator
Adjustable rate mortgage calculator estimates payments during an intro period and after the first reset.
Fixed rate mortgage calculator
Fixed rate mortgage calculator returns the standard monthly payment along with total interest and total paid.
ARM vs FRM calculator
ARM vs FRM calculator lines up a simple adjustable mortgage against a fixed one so you can see where they diverge.
FX currency options calculator
FX currency options calculator uses a Black-Scholes style model with domestic and foreign rates.
Index options calculator
Index options calculator prices a basic European-style index option from the standard inputs.
Stock options calculator
Stock options calculator prices a simple European stock option with an optional dividend yield.
Files & Images
Check file size
Check file size reads selected files locally and shows their size in both SI and binary units.
File compression
File compression packs a selected file with gzip or deflate in the browser and offers the result for download.
File decompression
File decompression opens a gzip or deflate file locally and lets you save the expanded result.
Resize image
Resize image scales an uploaded image to a new width and height while keeping the work in-browser.
Image crop
Image crop crops a rectangular region from the selected picture and lets you download just that slice.
Convert image
Convert image redraws a source image and exports it as PNG, JPEG, or WebP.
Image color effects
Image color effects applies simple grayscale, sepia, invert, and brightness adjustments through canvas filters.
Create ICO file
Create ICO file packages a square source image into a favicon-style ICO download.
Text watermark on image
Text watermark on image draws custom text over an uploaded image with position and opacity controls.
Image watermark overlay
Image watermark overlay overlays one image on top of another with sizing and opacity controls.