Evergreen ToolsCatalog

Coding Tools

323 free coding tools. No signup required. All tools run locally in your browser for 100% privacy.

JSON Formatter

Validate, beautify, and compress JSON data online

Base64 Encoder

Encode and decode text, images, and files to Base64

Regex Tester

Real-time regex matching with highlighted results

Text Diff

Compare two texts and highlight differences

JWT Decoder

View JSON Web Token contents online

UUID Generator

Batch generate UUID v4 with format options

URL Encoder

Encode and decode URLs with multiple encoding modes

CSS Clip Path Generator

Visual editor to generate CSS clip-path polygons with live preview

CSS Gradient Generator

Create beautiful CSS gradients with a visual editor and copy the code.

Box Shadow Generator

Visually adjust shadow parameters and get CSS code for box-shadow.

Cron Expression Generator

Visually select time settings to generate Cron expressions.

Meta Tag Generator

Fill in the form to automatically generate HTML Meta tags for SEO.

HTML Entity Encoder

Escape special characters to HTML entities to prevent XSS.

URL Slug Generator

Convert titles into friendly URL formats (e.g. my-post).

Image to Base64

Convert image files to Base64 encoded strings with preview and copy

SVG Optimizer

Compress and optimize SVG files

JSON Validator

Detect JSON syntax errors and pinpoint problem lines

HTML Minifier

Minify HTML code by removing whitespace, comments and redundant attributes

CSS Minifier

Minify CSS code by removing whitespace, comments and redundant prefixes

JavaScript Minifier

Minify JavaScript code with variable obfuscation and optimization

JWT Decoder

Decode JWT tokens online, visualize Header/Payload contents and verify signature algorithm.

HTTP Header Analyzer

Parse and format HTTP request/response headers, showing the meaning and standard of each field.

MIME Type Lookup

Look up MIME types by file extension, supports reverse lookup.

Favicon Generator

Generate website icons

Data URI Generator

Convert files to Data URI format strings, supporting images/CSS/JS and more.

Base64 Encoder/Decoder

Encode and decode text with Base64, with live preview and one-click copy.

HTML Entity Converter

Convert HTML special characters to entity codes and back.

Robots.txt Generator

Visually configure crawler rules and generate standard robots.txt files.

XML Formatter

Beautify XML code with auto-indent and line breaks

CSS Grid Generator

Visual CSS Grid layout generator

Flexbox Generator

Visual Flexbox layout generator

Border Radius Generator

Visually adjust all four corner radius values with live preview.

PX to REM Converter

Convert between px, rem, and em CSS units instantly.

Markdown to HTML

Convert Markdown text to HTML code in real-time

Binary Translator

Convert between text, binary, hex, and ASCII.

Random String Generator

Generate random alphanumeric strings with custom settings.

CSS Text Shadow Generator

Visually create text shadow effects with live preview.

URL Slug Generator

Automatically generate URL-friendly slugs from title text with multi-language and separator options.

Meta Tag Generator

Generate SEO-optimized meta tags

CSS Button Generator

Generate beautiful CSS button code online with radius, colors, and sizing

HTML Formatter

Beautify and indent messy HTML code instantly for easy reading

JavaScript Formatter

Clean up and beautify JavaScript or TypeScript code in one click

SQL Formatter

Format and beautify SQL statements

JSON Minifier

Strip all whitespace from JSON to shrink file size for production

CSS Validator

Catch CSS errors and compatibility issues before they break your layout

JSON Diff

Compare two JSON objects

Markdown Table Generator

Visually create Markdown tables with live preview.

XML Sitemap Generator

Generate XML sitemap for your website.

Open Graph Generator

Configure social sharing tags with preview

CSS Text Glitch Effect Generator

Free online CSS glitch text generator. Create cyberpunk text glitch animations with custom colors.

Subnet Calculator

Free online subnet calculator. Calculate subnet masks, hosts, network and broadcast from CIDR.

IP Address Lookup

Free online IP lookup. Find your public IP, geolocation, ISP, and browser info.

.htaccess Redirect Generator

Free online .htaccess redirect generator. Create 301/302, force HTTPS, www redirects.

Fake IBAN Generator

Free online fake IBAN generator. Generate valid-format test IBANs for development only.

CSS Formatter

Beautify and format CSS code online to make it more readable and maintainable

DNS Lookup

Lookup DNS records

JSON-LD Schema Generator

Free online JSON-LD structured data generator. Create Schema.org markup visually to boost SEO.

HEX to RGBA Converter

Free online HEX to RGBA color converter with adjustable transparency.

HTTP Status Codes

HTTP status code reference

CSS Glassmorphism Generator

Free online CSS glassmorphism generator. Visually adjust frosted glass effect, one-click CSS code.

CSS Loader Generator

Free online CSS loader generator. Multiple styles (spinner/dots/bars), live preview, CSS code output.

JSON Tree Viewer

Browse JSON data in an interactive tree structure

CSS Triangle Generator

Generate CSS code for triangles of any size and color

CSS Cubic Bezier Generator

Create custom easing curves for CSS transitions

CSS Checkbox Generator

Design beautiful CSS checkboxes without images

CSS Switch Generator

Create toggle switches using pure CSS

CSS Background Pattern Generator

Generate repeating CSS background patterns

User Agent Parser

Decode and understand any browser User-Agent string

JWT Encoder/Decoder

Encode, decode, and verify JSON Web Tokens online

Regex Generator

Generate regular expressions from plain English descriptions

SQL Query Formatter

Beautify and format messy SQL queries instantly

Cron Expression Generator

Generate cron expressions

.htaccess Generator

Generate Apache .htaccess config files

SVG to CSS Converter

Convert SVG to CSS background-image code

SVG Inliner

Optimize SVG for inline HTML embedding

UUID v4 Generator

Generate random UUID v4 identifiers

Binary Text Converter

Convert text ↔ binary format

URL Parser

Parse URLs into components

Meta Tag Analyzer

Analyze webpage meta tags with optimization tips

Schema Validator

Validate JSON-LD structured data markup

CSS Animation Generator

Visual CSS animation code builder

Privacy Policy Generator

Generate privacy policy pages for websites

Terms of Service Generator

Create terms of service documents

Tailwind CSS Generator

Visual Tailwind CSS component builder

API Tester Online

Test REST API requests and responses

Speed Test

Test network connection speed and latency

WHOIS Lookup

Query domain registration information

Proxy Checker

Check proxy server availability and speed

SSL Certificate Checker

Check website SSL certificate info

Redirect Checker

Check URL redirect chains

Sitemap Validator

Validate XML Sitemap format

UTM Link Builder

Build tracking URLs with UTM parameters

ER Diagram Generator

Generate ER diagrams from SQL

Backlink Checker

Check external backlinks of a website

Box Shadow Generator

Visual CSS box-shadow code generator

Broken Link Checker

Detect broken links on web pages

CSS Gradient Generator

Visual CSS gradient builder

Domain Authority Checker

Check domain DA/PA authority scores

Google Index Checker

Check if URLs are indexed by Google

Mobile Friendly Tester

Test webpage mobile friendliness

Regex Tester

Real-time regex pattern testing

Screenshot to Code

Free online Screenshot to Code.

Cron Expression Tester

Free online Cron Expression Tester.

Open Graph Preview

Free online Open Graph Preview.

Email Header Analyzer

Free online Email Header Analyzer.

Nginx Config Generator

Free online Nginx Config Generator.

Docker Compose Generator

Generate Docker Compose configuration files

GraphQL Playground

Free online GraphQL Playground.

WebSocket Tester

Free online WebSocket Tester.

JavaScript Minifier

Free online JavaScript Minifier.

SEO Analyzer

Free online SEO Analyzer.

Markdown Editor

Free online Markdown Editor.

YAML Validator

Validate YAML format

JSON Schema Validator

Validate JSON data against schemas

Base64 Image Converter

Free online Base64 Image Converter.

Grid Generator

Free online Grid Generator.

Regex Explainer

Free online Regex Explainer.

CSS to Tailwind

Free online CSS to Tailwind.

Git Command Generator

Generate common Git commands

Chmod Calculator

Free online Chmod Calculator.

HTML to JSX

Free online HTML to JSX.

String Encoder/Decoder

Free online String Encoder/Decoder.

API Mock Generator

Free online API Mock Generator.

Env File Generator

Free online Env File Generator.

Meta Tag Preview

Free online Meta Tag Preview.

Screen Resolution Test

Online Screen Resolution Test tool

Json Diff Tool

Free online json diff tool tool

XML Validator

Validate XML format

Yaml To Json

Free online yaml to json tool

Toml To Json

Free online toml to json tool

Cron Parser

Free online cron parser tool

Sql Minifier

Free online sql minifier tool

Xml Beautifier

Free online xml beautifier tool

Json Linter

Free online json linter tool

Json To Table

Free online json to table tool

Css Selector Tester

Free online css selector tester tool

JSON to TypeScript

Convert JSON to TypeScript type definitions

Text to Binary

Convert text to binary encoding

JSON to Python

Convert JSON to Python class or dictionary

JSON to Go

Convert JSON to Go struct definitions

JSON to Java

Convert JSON to Java class definitions

JSON to Rust

Convert JSON to Rust structs

JSON to C#

Convert JSON to C# class definitions

JSON to PHP

Convert JSON to PHP arrays

JSON to Swift

Convert JSON to Swift structs

JSON to Kotlin

Convert JSON to Kotlin data classes

Binary to Text

Convert binary code to readable text

Hex to Decimal

Convert hexadecimal numbers to decimal

CSS Filter Generator

Generate CSS filter effects visually

Number to Binary Converter

Convert decimal numbers to binary

JSON to Ruby

Convert JSON to Ruby hash or class

JSON to Lua

Convert JSON to Lua table format

Json To Haskell

Free online json to haskell tool

Json To Elm

Free online json to elm tool

Json To Scala

Free online json to scala tool

Json To Perl

Free online json to perl tool

Json To Dart

Free online json to dart tool

Json To R

Free online json to r tool

Json To Matlab

Free online json to matlab tool

Decimal To Hex

Free online decimal to hex tool

Hex To Binary

Free online hex to binary tool

Binary To Hex

Free online binary to hex tool

Octal To Decimal

Free online octal to decimal tool

Decimal To Octal

Free online decimal to octal tool

Text To Unicode

Free online text to unicode tool

Unicode To Text

Free online unicode to text tool

Json Path Tester

Free online json path tester tool

Yaml To Toml

Free online yaml to toml tool

Json To Properties

Free online json to properties tool

Ini To Json

Free online ini to json tool

Json To Clojure

Free online json to clojure tool

Json To Elixir

Free online json to elixir tool

Json To Ocaml

Free online json to ocaml tool

Json To Fsharp

Free online json to fsharp tool

Json To Solidity

Free online json to solidity tool

Json To Zig

Free online json to zig tool

Json To Nim

Free online json to nim tool

Json To Crystal

Free online json to crystal tool

Binary To Octal

Free online binary to octal tool

Octal To Binary

Free online octal to binary tool

Octal To Hex

Free online octal to hex tool

Hex To Octal

Free online hex to octal tool

Decimal To Binary

Free online decimal to binary tool

Binary To Decimal

Free online binary to decimal tool

Text To Ascii

Free online text to ascii tool

Ascii To Text

Free online ascii to text tool

Html To Css

Free online html to css tool

Css To Scss

Free online css to scss tool

Json To Erlang

Free online json to erlang tool

Json To Tcl

Free online json to tcl tool

Json To Vhdl

Free online json to vhdl tool

Json To Verilog

Free online json to verilog tool

Json To Assembly

Free online json to assembly tool

Json To Fortran

Free online json to fortran tool

Json To Cobol

Free online json to cobol tool

Json To Pascal

Free online json to pascal tool

Json To Objective C

Free online json to objective c tool

Json To Vba

Free online json to vba tool

Json To Powershell

Free online json to powershell tool

Json To Bash

Free online json to bash tool

Json To Dockerfile

Free online json to dockerfile tool

Json To Kubernetes

Free online json to kubernetes tool

Json To Terraform

Free online json to terraform tool

Json To Ansible

Free online json to ansible tool

Json To Graphql

Free online json to graphql tool

Json To Prisma

Free online json to prisma tool

Json To Mongoose

Free online json to mongoose tool

Json To Sequelize

Free online json to sequelize tool

Json To Typeorm

Free online json to typeorm tool

Json To Knex

Free online json to knex tool

HTML Preview

Free online html preview tool

CSS Playground

Free online css playground tool

JavaScript Playground

Free online javascript playground tool

Regex Cheatsheet

Free online regex cheatsheet tool

HTML Sitemap Generator

Free online html sitemap generator tool

API Tester

Test REST API endpoints

Json Schema Generator

Free online json schema generator tool

Line Ending Converter

Free online line ending converter tool

Text Encoding Converter

Free online text encoding converter tool

Json To Html

Free online json to html tool

Html To Json

Free online html to json tool

Code To Markdown

Free online code to markdown tool

Webhook Tester

Test webhook callbacks

Cron Expression Validator

Validate and explain cron expressions

Regex Visualizer

Visualize regex expression matching process

Text to Hex Converter

Convert text to hexadecimal encoding

Hex to Text Converter

Convert hexadecimal encoding to readable text

Uuid Validator

Free online uuid validator tool

Cron Descriptor

Free online cron descriptor tool

Json To Jsonnet

Free online json to jsonnet tool

Json To Awk

Free online json to awk tool

Json To Racket

Free online json to racket tool

Json To Dhall

Free online json to dhall tool

Json To Cpp

Free online json to cpp tool

Json To C

Free online json to c tool

Json To Julia

Free online json to julia tool

Json To Groovy

Free online json to groovy tool

Json To Ada

Free online json to ada tool

Json To V

Free online json to v tool

Json To Purescript

Free online json to purescript tool

Json To Reason

Free online json to reason tool

Json To Lisp

Free online json to lisp tool

Json To Prolog

Free online json to prolog tool

Json To Basic

Free online json to basic tool

AI Code Reviewer

AI-powered code review tool

AI Regex Builder

AI generates regex patterns

AI Unit Test Generator

AI generates unit tests

AI Code Explainer

AI explains code logic

Docker Compose Validator

Validate Docker Compose config

K8s YAML Validator

Validate Kubernetes YAML

GraphQL Schema Validator

Validate GraphQL Schema

OpenAPI Spec Validator

Validate OpenAPI specifications

ENV File Validator

Validate .env files

Cron Expression Explainer

Explain cron expressions

Git Merge Conflict Resolver

Resolve git merge conflicts

NPM Package Analyzer

Analyze NPM package dependencies

Python Import Sorter

Sort Python imports

TypeScript Type Checker

Check TypeScript types

Accessibility Audit Tool

Audit accessibility

JSON to Svelte

Convert JSON to Svelte component state

JSON to Vue

Convert JSON to Vue component data

JSON to Angular

Convert JSON to Angular component

JSON to Spring

Convert JSON to Spring Boot entity class

JSON to Django

Convert JSON to Django model

JSON to Laravel

Convert JSON to Laravel Eloquent model

JSON to Rails

Convert JSON to Ruby on Rails model

JSON to Express

Convert JSON to Express routes and models

JSON to FastAPI

Convert JSON to FastAPI Pydantic model

JSON to Flask

Convert JSON to Flask SQLAlchemy model

JSON to Rocket

Convert JSON to Rocket Rust struct

JSON to Actix

Convert JSON to Actix Web struct

JSON to YAML Advanced

Advanced JSON to YAML with anchors and aliases

YAML to JSON Advanced

Advanced YAML to JSON with anchor resolution

SVG Optimizer Advanced

Advanced SVG compression and optimization

XML to JSON Converter

Free online XML to JSON converter - convert XML data to JSON format

Online Code Editor

Free online code editor. Live preview HTML/CSS/JS code. Split-screen editing, syntax highlighting, multi-file support.

OG Meta Generator

Free online OG Meta tag generator. Create Open Graph tags for Facebook, Twitter, LinkedIn. Live preview of share appearance.

Twitter Card Generator

Free online Twitter Card generator. Create meta tags for Twitter share cards. Support Summary, Large Image and more card types.

JSON to XML Advanced

Free online advanced JSON to XML converter. Custom root node, attribute mapping, namespace support. For complex JSON structures.

XML to JSON Advanced

Free online advanced XML to JSON converter. Attribute handling, namespace support, CDATA nodes. For complex XML documents.

IP Subnet Calculator

Free online IP subnet calculator. Input IP address and CIDR, calculate available IP range, subnet mask, broadcast address.

Unix Permission Calculator

Free online Unix permission calculator. Convert chmod numbers (755) to rwx format, or rwx to numbers. Support recursive permissions.

JSON Minifier Online

Free online JSON minifier. Remove whitespace and line breaks, compress to single line. Reduce file size, speed up loading.

CSS Minifier Online

Free online CSS minifier. Remove comments, whitespace, line breaks, compress to minimal format. Optimize webpage loading.

HTML Minifier Online

Free online HTML minifier. Remove comments, whitespace, line breaks, compress to minimal format. Improve page load speed.

HTML Decoder

Convert HTML entities to readable characters

Regex Tester Online

Test regular expressions online with real-time matching

URL Decoder

Decode URL-encoded strings to readable text

SVG Compress

Free online SVG file compression tool

Image to Base64 Preview

Free online image to Base64 with preview tool

SVG Compressor

Free online SVG code compression tool

Python Base64编码

生成Python Base64编码代码

UUID v7生成器

生成UUID v7版本

在线YAML验证

在线验证YAML语法

Online XML Formatter

Free online XML beautify and format tool

JSON Path Extractor

Extract specific fields and values from JSON data using JSONPath expressions.

PX to REM Converter

Convert CSS size values between pixels (px) and root element relative units (rem).

Matrix Calculator

Online matrix operations tool supporting addition, subtraction, multiplication, division, transpose, and inverse.

Git Cheatsheet

Quick reference for common Git commands and usage.

Unicode Character Picker

Browse and select Unicode characters, copy special symbols and emojis.

URL Encoder/Decoder

Encode and decode URLs, handle special characters and Chinese text.

XML Validator Online

Validate XML file format online and check for syntax errors.

CSS Shadow Generator

Visually generate CSS box-shadow and text-shadow code with real-time preview.

TOML Validator

Validate TOML format

Environment Variable Generator

Generate environment variable configuration files

Cron Explainer

Explain what cron expressions mean

Text to Binary Converter

Convert text to binary code

Binary to Text Converter

Convert binary code to readable text

XML to SQL

Convert XML data to SQL

Dotenv Validator

Validate .env file format

.gitignore Generator

Generate .gitignore files

package.json Generator

Generate npm package.json files

package.json Validator

Validate package.json format

tsconfig Generator

Generate TypeScript configuration files

Babel Config Generator

Generate Babel configuration files

Webpack Config Generator

Generate Webpack configuration files

ESLint Config Generator

Generate ESLint configuration files

Prettier Config Generator

Generate Prettier configuration files

Dockerfile Generator

Quickly generate Dockerfile configurations

Kubernetes YAML Generator

Generate Kubernetes configuration files

GitHub Actions Generator

Generate GitHub Actions workflows

JSON to TypeScript Advanced

Advanced JSON to TypeScript conversion

JSON to Go Advanced

Advanced JSON to Go struct conversion

Why Choose Evergreen Tools for Coding?

Evergreen Tools offers 323 coding tools — all free and no signup required. Unlike desktop software that requires installation, our tools run directly in your browser, meaning your data never leaves your device. Whether you're at your desk or on the go, you get the same great experience.

FAQ

What Coding tools are available?

We offer 323 Coding tools including json-formatter, base64, regex, diff, jwt and more. All tools are free to use, no registration required.

Are Coding tools free?

Completely free! All Evergreen Tools are permanently free, no registration or login needed.

Can I use these tools on my phone?

Yes! All tools feature responsive design and work perfectly on mobile, tablet, and desktop.

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