166 Developer Tools

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Format & Validate

JSON Format/Validate

Format, validate, and minify JSON with clear error feedback for invalid structures

JS Beautify/Minify

Format or minify JavaScript with cleaner indentation and readable structure

CSS Beautify/Minify

Format or minify CSS to improve readability and reduce payload size

HTML Beautify/Minify

Format or minify HTML markup for cleaner templates and production output

XML Beautify/Minify

Pretty-print or minify XML files while preserving valid document structure

Format SQL queries with consistent indentation for easier reading and review

ERB Beautify/Minify

Format ERB templates for Ruby projects and compact them for deployment

LESS Beautify/Minify

Format or minify LESS files for easier editing and optimized builds

SCSS Beautify/Minify

Format or minify SCSS code with consistent style and spacing

Line Sort/Dedupe

Sort text lines and remove duplicates to clean lists and configuration blocks

GraphQL Formatter

Format GraphQL operations and schemas with readable, consistent layout

Format and validate TOML configuration files with clean indentation

Data Convert & Encode

Base64 Encode/Decode

Encode plain text to Base64 and decode Base64 content back to readable text

URL Encode/Decode

Encode URLs for safe transmission and decode percent-encoded strings back to plain text

HTML Entity Encode/Decode

Convert special characters to HTML entities and decode them back to original form

Backslash Escape/Unescape

Escape special characters with backslashes for JSON strings and code, or unescape them

Convert between hexadecimal notation and ASCII/UTF-8 text in both directions

Unix Time Converter

Convert Unix timestamps to human-readable dates and vice versa with timezone support

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal bases instantly

String Case Converter

Convert text between camelCase, snake_case, kebab-case, PascalCase and more

Color Converter

Convert colors between HEX, RGB, HSL, and other formats with live preview

Convert YAML to JSON and JSON to YAML with validation and formatting

Convert JSON arrays to CSV tables and CSV data back to structured JSON

Convert HTML markup to JSX syntax for use in React components

Convert cURL commands to Python, JavaScript, Go, and other language code

Generate TypeScript interfaces, Python dataclasses, and more from JSON samples

Convert between PHP serialized data/arrays and JSON format

Serialize and unserialize PHP data with format validation

Convert SVG markup to CSS background-image data URIs for inline use

Convert between TOML configuration format and JSON structures

Convert JSON data to XML and parse XML back to structured JSON

Universal Converter

Convert between JSON, YAML, TOML, XML, CSV and more in a single tool

Subtitle Converter

Convert between SRT, VTT, and other subtitle formats

HTML Table Generator

Generate HTML tables from structured data with customizable styling

Docker Run → Compose

Convert docker run commands to docker-compose.yml format automatically

Convert SVG markup to React JSX component code

Encode and decode text using the ROT13 substitution cipher

Punycode Converter

Convert international domain names to Punycode and decode them back

Convert text to binary representation and decode binary back to text

Encode text to Morse code and decode Morse signals back to readable text

Convert text to NATO phonetic alphabet and decode phonetic spelling

Find and replace text with regex support, case sensitivity, and multi-line mode

Whitespace Remover

Trim, normalize, or remove whitespace from text with configurable options

Character Counter

Count characters, words, lines, and paragraphs with real-time statistics

Generators, Design & Utilities

Generate UUID v1/v4 identifiers and ULIDs for unique resource identification

Lorem Ipsum Generator

Generate placeholder text in various lengths for design mockups and prototypes

Generate MD5, SHA-1, SHA-256, SHA-512 and other cryptographic hashes from input text

Random String Generator

Generate random strings with configurable length, character sets, and patterns

Password Generator

Generate strong, random passwords with customizable length and character requirements

QR Code Generator

Generate QR codes from text, URLs, or data with customizable colors and error correction

Barcode Generator

Generate various barcode formats (EAN, UPC, Code128) for products and inventory

Placeholder Image

Generate placeholder images with custom dimensions, colors, and text overlays

Mock Data Generator

Generate realistic mock data for testing APIs, databases, and UI prototypes

Random Number Generator

Generate random numbers within configurable ranges and distributions

CSS Gradient Generator

Create beautiful CSS gradients with live preview and copy-ready code

Box Shadow Generator

Design CSS box shadows visually with multiple layers and real-time preview

Border Radius Generator

Create custom border radius values with visual preview for any element

Text Shadow Generator

Design CSS text shadows with color, blur, and offset controls

CSS Loader Generator

Generate pure CSS loading spinners and animations for your projects

SVG Blob Generator

Create organic SVG blob shapes for backgrounds and decorative elements

Flexbox Playground

Visual flexbox layout builder with live code output for CSS flex containers

CSS Grid Playground

Interactive CSS Grid layout builder with visual template editor

Color Palette Generator

Generate harmonious color palettes from a base color for UI design

Contrast Checker

Check WCAG color contrast ratios for accessibility compliance

Favicon Generator

Generate favicon sets in multiple sizes from any image

Aspect Ratio Calculator

Calculate and maintain aspect ratios for images, videos, and layouts

CSS Specificity Calculator

Calculate and compare CSS selector specificity scores

Minify and optimize SVG files by removing unnecessary markup

Create signed JWT tokens with custom payloads and secret keys

JSON-LD Generator

Generate structured data markup for rich search results

README Generator

Generate professional README.md files for GitHub repositories

Gitignore Generator

Generate .gitignore files for any language, framework, or IDE

Table Generator

Create markdown and HTML tables with visual editing

License Generator

Generate open-source license files (MIT, Apache, GPL, etc.)

package.json Generator

Create package.json files for Node.js projects with guided input

EditorConfig Generator

Generate .editorconfig files for consistent code style across editors

Dockerfile Generator

Generate Dockerfiles with best practices for any language stack

.env Example Generator

Generate .env.example files documenting all environment variables

Open Graph Generator

Generate Open Graph meta tags for social media sharing previews

Neumorphism Generator

Create soft-UI neumorphic elements visually with live CSS

Chmod Calculator

Calculate Unix file permissions with visual checkbox interface

Binary Calculator

Perform bitwise operations and binary arithmetic with visual bit representation

Convert between length, weight, temperature, data size, and other units

Convert between Roman numerals and decimal numbers

Date & Age Calculator

Calculate date differences, ages, deadlines, and elapsed time

Percentage Calculator

Calculate percentages, ratios, and proportional values

Timezone Converter

Convert times between different timezones with DST awareness

Inspector & Debug

Decode and inspect JWT tokens to verify header, payload, and signature claims

Test regular expressions against sample text with match highlighting and explanation

Text Diff Checker

Compare two text blocks side-by-side and highlight added, removed, and changed lines

Markdown Preview

Live preview of Markdown with GitHub-flavored rendering and syntax highlighting

String Inspector

Analyze strings for hidden characters, encoding issues, and byte representation

Parse cron expressions and display next execution times in human-readable format

Render HTML snippets in a sandboxed iframe with live editing

Certificate Decoder

Decode and inspect X.509 SSL/TLS certificates to view expiry, issuer, and SANs

Base64 Image Viewer

View and convert Base64-encoded images with format detection

Parse and inspect URL components — protocol, host, path, query params, and hash

Compare two JSON documents and highlight structural differences

Email Validator

Validate email addresses with syntax checks, DNS MX lookup, and disposable detection

Lookup IP address information including geolocation, ISP, and ASN data

Generate URL-friendly slugs from text with customizable separators

HTTP Status Reference

Browse HTTP status codes with descriptions and common use cases

MIME Type Reference

Look up MIME types by extension or content type with descriptions

IP Subnet Calculator

Calculate network subnets, CIDR ranges, and IP address information

JSON Schema Validator

Validate JSON data against JSON Schema definitions with detailed errors

JSON Tree Viewer

Visualize JSON data in an interactive collapsible tree structure

View and navigate CSV files in a spreadsheet-like table interface

Edit, filter, sort, and transform CSV data with spreadsheet capabilities

Builders & Config

robots.txt Generator

Generate robots.txt files to control search engine crawling behavior

.htaccess Generator

Generate Apache .htaccess files with redirects, rewrites, and security rules

Docker Compose Builder

Build and validate docker-compose.yml files with service configuration

Sitemap Generator

Generate XML sitemaps for search engine submission and indexing

Security Headers

Generate HTTP security headers (CSP, HSTS, X-Frame-Options) for web applications

Configure Cross-Origin Resource Sharing headers for API security

Image Tools

Compress JPEG, PNG, and WebP images while preserving visual quality

Resize images to exact dimensions or percentage scale with aspect ratio lock

Crop images interactively with preset aspect ratios and freeform selection

Convert PNG, WebP, and other formats to optimized JPEG

Convert from JPG

Convert JPEG to PNG, WebP, and other image formats

Apply filters, adjust brightness/contrast/saturation, and enhance photos

Upscale images using AI to increase resolution while preserving detail

Remove Background

Remove image backgrounds automatically using AI with edge detection

Image Watermark

Add text or image watermarks to protect and brand your images

Create custom memes with top and bottom text on any image

Rotate images by any angle with automatic cropping and background fill

Render HTML/CSS to PNG or JPEG images for social media and thumbnails

Automatically detect and pixelate faces in images for privacy

PDF Suite

Combine multiple PDF files into a single document with page ordering

Split PDF documents into individual pages or custom page ranges

Reduce PDF file size while maintaining acceptable visual quality

Rotate PDF pages individually or in bulk by 90°, 180°, or 270°

Reorder, delete, or duplicate pages within a PDF document

Convert PDF pages to high-quality JPEG images

Create PDF documents from JPEG images with layout options

Add text or image watermarks to PDF pages for branding and protection

PDF Page Numbers

Add page numbers to PDF documents with customizable position and style

Encrypt PDF files with password protection and permission controls

Remove password protection from PDF files (requires knowing the password)

Extract text from scanned PDFs using optical character recognition

Compare two PDF documents and highlight textual differences

Permanently remove sensitive information from PDF documents

Crop PDF pages to remove margins and unwanted content

Fill in and edit PDF form fields interactively

PDF to Markdown

Convert PDF documents to clean Markdown text format

Convert PDF files to PDF/A format for long-term archival

Audio Tools

Audio Converter

Convert audio files between MP3, WAV, OGG, FLAC, AAC, and more with bitrate and sample rate control

Trim and cut audio files visually with precise start/end time selection

Remove background noise, hiss, and hum from audio recordings with smart denoising filters

Audio Extractor

Extract high-quality audio from video files (MP4, WebM, MKV, AVI, MOV) into MP3, WAV, or AAC

Speed / BPM Changer

Change audio speed from 0.5x to 2x or match BPM with auto-detection — DJ-ready pitch-preserving conversion

Combine multiple audio files into one in sequence order with drag-to-reorder support

Apply smooth fade-in and fade-out effects with configurable duration and curve types

Metadata Editor

Edit title, artist, album, year, genre, and cover art embedded in audio files

Increase audio volume up to +900% without clipping, with preview before saving

eBook Suite

Read EPUB ebooks with customizable fonts, themes, and page navigation

eBook Converter

Convert between EPUB, MOBI, FB2, DOCX, PDF and other ebook formats

Read CBZ, CBR, CB7 & CBT comics natively — all archive formats, single/double/webtoon modes

Read FictionBook 2 (FB2) format ebooks with formatting preserved

EPUB Metadata Editor

Edit EPUB metadata — title, author, cover, description, and more

Check if an ebook file has DRM protection applied

Extract plain text content from EPUB files for analysis and conversion

Convert FictionBook 2 files to EPUB format with metadata preservation

Convert MOBI/Kindle ebook files to EPUB format

Convert DOCX Word documents to EPUB, PDF, and other formats

Extract and export text content from PDF documents

Read and navigate PDF documents with search, zoom, and thumbnails

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