PERMARKET

Developer Tools

Inspect, transform and generate code and text faster.

54 tools
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.

DeveloperT

Epoch Converter

Convert Unix timestamps to dates and back.

DeveloperLOR

Lorem Ipsum

Generate placeholder Lorem Ipsum paragraphs.

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Pro Dev Suite

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

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.

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.

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.

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.

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.