PERMARKET

Free online tools, no clutter.

A clean matrix of small utilities for developers, writers, and everyday tasks. Fast, private, no sign-up.

All Image Calculator Finance Developer

Popular tools

ImageCOLOR

Color Picker

Pick, tune and copy any color in HEX, RGB and HSL.

ImageRGB

Hex to RGB

Convert HEX to RGB and HSL, or RGB back to HEX.

Developer{}

JSON Formatter

Validate, pretty-print and minify JSON.

DeveloperB64

Base64

Encode and decode Base64 with UTF-8 safety.

Developer%20

URL Encode

Encode and decode URLs and query strings.

AdAD

Pro Dev Suite

All-in-one toolkit for teams. Try free for 14 days.

Finance$

Take-Home Pay Calculator

Estimate US take-home pay by state and filing status.

ImageHSL

HSL to RGB

Convert HSL to RGB and HEX, or RGB back to HSL.

ImageCON

Contrast Checker

Check WCAG contrast between two colors.

DeveloperT

Epoch Converter

Convert Unix timestamps to dates and back.

DeveloperLOR

Lorem Ipsum

Generate placeholder Lorem Ipsum paragraphs.

AdAD

Cloud Storage+

Back up files with end-to-end encryption.

CalculatorLOAN

Loan Calculator

Estimate monthly loan payments and total interest.

DeveloperJSON

JSON Validator

Check JSON for errors and see the reason.

DeveloperHASH

Hash Generator

Hash text with SHA-1/256/384/512 locally.

DeveloperJWT

JWT Decoder

Decode a JWT header and payload.

DeveloperDIFF

Diff Checker

Compare two texts line by line.

DeveloperENT

HTML Entities

Encode and decode HTML entities.

CalculatorGPA

GPA Calculator

Weight your course grades into a GPA.

ImageGRAD

Gradient Generator

Preview and copy a CSS gradient.

Calculatorkcal

BMR Calculator

Basal metabolic rate (Mifflin-St Jeor).

CalculatorTDEE

Calorie Calculator

TDEE from BMR and activity level.

DeveloperNET

Subnet Calculator

Network, broadcast and usable hosts from IP and prefix.

DeveloperJY

JSON to YAML Converter

Turn JSON into readable YAML.

DeveloperYJ

YAML to JSON Converter

Parse a YAML subset into JSON.

DeveloperCJ

CSV to JSON Converter

Convert CSV rows into JSON.

DeveloperJC

JSON to CSV Converter

Flatten a JSON array into CSV.

DeveloperSQL

SQL Formatter

Pretty-print a SQL statement.

DeveloperHM

HTML to Markdown Converter

Convert common HTML into Markdown.

DeveloperMH

Markdown to HTML Converter

Render Markdown into HTML.

DeveloperSLG

Slug Generator

Make a URL-friendly slug from text.

DeveloperURL

URL Parser

Break a URL into its parts.

DeveloperUA

User Agent Parser

Identify browser, OS and device from a UA.

DeveloperJWT

JWT Encoder

Build a JWT from a header and payload.

DeveloperMIN

HTML Minifier

Strip comments and extra whitespace from HTML.

DeveloperJX

JSON to XML Converter

Serialize JSON into XML.

DeveloperCM

CSV to Markdown Table

Render CSV as a Markdown table.

ImageQR

QR Code Generator

Turn text or a URL into a scannable QR code.

ImageWIF

WiFi QR Code Generator

Share your WiFi login as a scannable code.

ImageVC

vCard QR Code Generator

Encode a contact card into a QR code.

ImagePAL

Color Palette Generator

Build a harmonious color palette from one base color.

ImageCMP

Complementary Color Finder

Find the complement and split-complements of any color.

ImageCMP

Image Compressor

Shrink any image with a quality slider and size cap.

ImageCNV

Image Converter

Convert between JPG, PNG and WebP.

ImageRSZ

Resize Image

Set an exact width or height and rescale.

ImageS2P

SVG to PNG

Render SVG markup into a PNG file.

ImageCRP

Crop Image

Cut a rectangle out of any image.

ImageROT

Rotate Image

Rotate a photo 90, 180 or 270 degrees and download it.

ImageFLP

Flip Image

Flip a picture horizontally or vertically and download it.

ImageEXF

EXIF Remover

Strip camera metadata from a photo by re-encoding it.

ImageB64

Base64 to Image

Turn a base64 string into a preview and downloadable image.

ImageI64

Image to Base64

Encode an uploaded image into a base64 data URI.

ImageFAV

Favicon Generator

Make favicon sizes from one image and download each.

DeveloperHTX

HTML to Text

Strip HTML tags and get clean plain text.

DeveloperQSP

Query String Parser

Parse a URL query string into key and value pairs.

DeveloperC2Y

CSV to YAML

Convert CSV data into YAML.

DeveloperN2W

Number to Words

Spell out a number in English words.

DeveloperX2J

XML to JSON

Convert an XML document into JSON.

ImageGRY

Image to Grayscale

Convert a color photo to black and white.

ImageBRT

Image Brightness

Adjust brightness and contrast of a photo.

ImageRND

Round Image Corners

Clip a picture into rounded corners.

ImagePXL

Pixelate Image

Turn a photo into a blocky pixel effect.

ImageASC

Image to ASCII Art

Render a photo as text characters.

ImageTHB

Image Thumbnail

Shrink a picture to a thumbnail.

ImagePHL

Placeholder Image

Draw a sized placeholder graphic.

ImageSEP

Sepia Image

Give a photo a warm vintage tone.

ImageINV

Invert Image Colors

Flip a photo to its negative.

ImageBLR

Blur Image

Soften a photo with a blur.

ImageHUE

Hue Rotate Image

Shift the colors of a photo.

ImageSAT

Saturate Image

Boost or drain a photo color.

ImageBRD

Add Image Border

Frame a photo with a solid border.

CalculatorPRG

Programmer Calculator

A free programmer calculator: switch between binary, octal, decimal and hex, and apply bitwise AND, OR, XOR, shifts and rotations.

CalculatorNW

Net Worth Calculator

Assets minus what you owe.

CalculatorSUB

Subscription Cost Calculator

Yearly and weekly cost.

CalculatorLS

Lease Calculator

Total cost of a lease.

CalculatorAPR

APR Calculator

Effective rate from nominal.

CalculatorGRD

Final Grade Calculator

Score needed on final.

CalculatorMED

Median Calculator

Middle value of a list.

CalculatorRNG

Range Calculator

Spread from max to min.

CalculatorVAR

Variance Calculator

Spread around the mean.

CalculatorMOD

Mode Calculator

Most frequent value.

CalculatorPCT

Percentile Calculator

P-th percentile of a set.

CalculatorSPL

Bill Split Calculator

Even share per person.

CalculatorTAX

Tax Calculator

Tax and total from amount.

CalculatorPNT

Paint Calculator

Paint needed for a wall.

CalculatorFLR

Flooring Calculator

Boxes for a floor.

CalculatorFNC

Fencing Calculator

Posts and rail length.

CalculatorSTR

Stair Calculator

Steps and total run.

CalculatorRMP

Ramp Calculator

Angle and slope.

CalculatorCAL

Calorie Deficit Calculator

Daily kcal to lose.

CalculatorMAC

Macro Split Calculator

Protein, fat, carbs.

CalculatorVO2

VO2 Max Calculator

Estimated aerobic fitness.

DeveloperUID

UUID Generator

Create random RFC 4122 version 4 UUIDs in the browser.

DeveloperCSF

CSS Formatter

Beautify and indent your CSS code.

DeveloperJSF

JS Formatter

Tidy JavaScript with basic indentation.

DeveloperJPT

JSONPath Tester

Query JSON with a JSONPath expression.

DeveloperXPT

XPath Tester

Run an XPath query against XML.

DeveloperY2T

YAML to TOML

Convert simple YAML into TOML.

DeveloperC2S

CSV to SQL

Turn a CSV file into INSERT statements.

DeveloperJ2S

JSON to SQL

Build CREATE TABLE and INSERTs from JSON.

DeveloperMIM

Extension to MIME

Look up the MIME type for a file extension.

DeveloperHTS

HTTP Status Lookup

Find the meaning of an HTTP status code.

DeveloperKEY

Keycode Reference

A quick reference of keyboard key codes.

DeveloperB32

Base32 Encoder / Decoder

Encode or decode text with Base32 (RFC 4648).

DeveloperB58

Base58 Encoder / Decoder

Encode or decode with the Bitcoin Base58 alphabet.

DeveloperPUN

Punycode Converter

Encode or decode international domain names with Punycode.

DeveloperSVM

SemVer Compare

Compare two semantic version strings.

DeveloperMCSS

Minify CSS

Strip whitespace and comments from CSS.

DeveloperCHC

Character Code

Convert characters to code points and back.

DeveloperUNI

Unicode Inspector

Inspect every character code point and form.

DeveloperHMC

HMAC Generator

Create an HMAC signature for a message.

DeveloperCRN

Cron Explainer

Turn a crontab expression into plain English.

CalculatorCALC

Scientific Calculator

A full keypad for arithmetic, roots and powers.

DeveloperRE

Regex Builder

Assemble a regular expression piece by piece and test it against your own text.

DeveloperCR

Cron Builder

Describe each cron field with ranges, steps and lists, then preview the next run times.

DeveloperSQL

SQL Query Builder

Pick a table and conditions to assemble a correct SQL statement without typos.

DeveloperJS

JSON Schema Builder

Define fields and required flags to generate a JSON Schema object.