W3Schools.com

Formatters

{ }JSON Formatter

Format, validate, and minify JSON data.

</>HTML Formatter

Beautify or minify HTML code.

#CSS Formatter

Beautify or minify CSS stylesheets.

jsJS Formatter

Beautify or minify JavaScript code.

SQLSQL Formatter

Format SQL queries for readability.

<xml>XML Formatter

Format and validate XML documents.

Encoders & Decoders

B64Base64 Encode/Decode

Encode or decode Base64 strings and images.

%URL Encode/Decode

Encode or decode URL strings.

&HTML Entities

Encode or decode HTML entities.

JWTJWT Decoder

Decode and inspect JWT tokens.

B32Base32 Encode/Decode

Encode or decode Base32 strings.

B58Base58 Encode/Decode

Encode or decode Base58 strings.

R13ROT13 / ROT47 Cipher

Apply ROT13 and ROT47 ciphers to text.

CRCCRC32 Checksum

Calculate CRC32 checksums of text or files.

xn--Punycode Converter

Convert domains to and from Punycode.

QPQuoted-Printable

Encode or decode quoted-printable text.

Converters

⇄JSON ↔ YAML

Convert between JSON and YAML formats.

⇄JSON ↔ CSV

Convert between JSON and CSV formats.

0xNumber Base Converter

Convert between Hex, Decimal, Binary, Octal.

TUnix Timestamp

Convert between dates and Unix timestamps.

AaCase Converter

Convert text to camelCase, snake_case, etc.

TSJSON to TypeScript

Generate TypeScript interfaces from JSON.

{ }JSON Schema Generator

Generate JSON Schema from sample data.

SQLSQL to JSON

Convert SQL CREATE/INSERT to JSON.

TXTText to HTML

Convert plain text to HTML with auto-detection.

X/JXML to JSON

Convert between XML and JSON formats.

MDCSV to Markdown

Convert CSV data into a Markdown table.

?Query String Converter

Convert URL query strings to and from JSON.

Generators

#UUID Generator

Generate UUID/GUID values.

#Hash Generator

Generate MD5, SHA1, SHA256, SHA512 hashes.

P*Password Generator

Generate secure random passwords.

AaLorem Ipsum

Generate placeholder text.

▣QR Code Generator

Generate QR codes from text or URLs.

/Slug Generator

Convert text to URL-friendly slugs.

OGMeta Tag Generator

Generate SEO meta and Open Graph tags.

IMGPlaceholder Image

Generate placeholder images with custom size.

▦HTML Table Generator

Generate HTML table code with styling options.

BOTrobots.txt Generator

Generate robots.txt for search engine control.

.ht.htaccess Generator

Generate Apache .htaccess rules.

DMock Data Generator

Generate realistic fake data for testing.

RMREADME Generator

Generate professional README.md files.

Testers & Inspectors

.*RegEx Tester

Test regular expressions with highlighting.

±Text Diff

Compare two texts and see differences.

MDMarkdown Preview

Preview Markdown with live rendering.

ΣString Inspector

Analyze text: char count, word count, etc.

$.JSON Path Evaluator

Evaluate JSONPath expressions against data.

CSVCSV Viewer

View CSV data as a sortable table.

{T}JSON Tree Viewer

Visualize JSON as an interactive tree.

▶Live Code Preview

Online code editors and compilers.

SVGSVG Preview

Preview and optimize SVG code.

≠JSON Compare

Compare two JSON objects and see diffs.

[ ]Responsive Tester

Test URLs at different screen widths.

CSS Visual Tools

GGradient Generator

Create CSS gradients visually with presets.

▪Box Shadow Generator

Create CSS box shadows with live preview.

[ ]Flexbox Playground

Experiment with Flexbox properties visually.

▦Grid Generator

Create CSS Grid layouts visually.

pxCSS Unit Converter

Convert between px, rem, em, pt, vw, vh.

◜Border Radius

Create CSS border-radius visually.

TsText Shadow

Create CSS text-shadow with live preview.

▸▸Animation Generator

Create CSS keyframe animations visually.

FFilter Generator

Apply CSS filter effects with live preview.

↻Transform Generator

Create CSS transform effects visually.

✂Clip Path Generator

Create CSS clip-path shapes visually.

|||Multi-Column

Create CSS multi-column layouts visually.

□Glassmorphism Generator

Create frosted-glass UI effects with CSS.

▣Neumorphism Generator

Create soft-UI shadow effects with CSS.

⟳CSS Loader Generator

Generate animated CSS loading spinners.

BTNCSS Button Generator

Design and export CSS buttons visually.

ƒCubic Bezier Editor

Build custom CSS easing curves visually.

⚫CSS Blob Generator

Create organic blob shapes with border-radius.

Colors & Accessibility

CColor Picker

Pick colors and convert between formats.

CColor Converter

Convert HEX, RGB, HSL color values.

◆Palette Generator

Generate harmonious color palettes.

◑Contrast Checker

Check WCAG color contrast ratios for accessibility.

👁Color Blindness Simulator

Simulate how images look with color blindness.

▤Shades & Tints Generator

Generate shades, tints, and tones of a color.

◎Color Name Finder

Find the nearest named CSS color.

Text Utilities

↕Line Sort/Dedupe

Sort lines and remove duplicates.

\Escape/Unescape

Escape or unescape special characters.

URLURL Parser

Parse and analyze URL components.

WcWord Counter

Count words, characters, and reading time.

:)Emoji Picker

Browse, search, and copy emojis.

UTFEncoding Detector

Analyze text encoding and byte representation.

F/RFind and Replace

Find and replace text with regex support.

␣Whitespace Cleaner

Trim, collapse, and clean up whitespace.

#Character Counter

Count characters with social media limits.

01Text to Binary

Convert text to binary, hex, or decimal.

·–Morse Code Translator

Translate text to and from Morse code.

NATONATO Phonetic Alphabet

Spell text with the NATO phonetic alphabet.

Dev Utilities

*Cron Parser

Parse cron expressions with next run times.

755Chmod Calculator

Calculate Unix file permissions.

200HTTP Status Codes

Searchable HTTP status code reference.

MMIME Type Lookup

Search MIME types by file extension.

16:9Aspect Ratio Calculator

Calculate and convert aspect ratios.

OGSocial Share Preview

Preview social media share cards.

AaFont Preview

Preview web-safe and Google Fonts.

MINCSS/JS Minifier

Minify CSS or JS with compression stats.

PXPixel Ruler

Visualize pixel spacing scales.

📱Device Mockup

Place screenshots in device frames.

cURLcURL Converter

Convert curl commands to fetch or Python code.

UAUser Agent Parser

Parse a user-agent string into browser and OS.

HDRHTTP Header Analyzer

Analyze and explain HTTP response headers.

Calculators

IPIP Subnet Calculator

Calculate IPv4 subnets, masks, and host ranges.

01Binary & Bitwise Calculator

Bitwise operations and number base conversion.

⇄Unit Converter

Convert length, weight, temperature, and more.

IVRoman Numeral Converter

Convert between numbers and Roman numerals.

📅Date & Age Calculator

Calculate date differences and ages.

SVG Tools

SVGSVG Optimizer

Minify and clean up SVG code.

SVGSVG to PNG

Convert SVG images to PNG.

SVGSVG to Data URI

Convert SVG to a CSS-ready data URI.

SVGSVG Blob Generator

Generate organic blob shapes as SVG.

SVGSVG Wave Generator

Generate wavy SVG section dividers.

SVGSVG Pattern Generator

Generate tiling SVG background patterns.

Project Files

git.gitignore Generator

Generate a .gitignore for your tech stack.

§License Generator

Generate an open source LICENSE file.

{ }package.json Generator

Generate a package.json for Node.js projects.

EC.editorconfig Generator

Generate an EditorConfig file.

🐳Dockerfile Generator

Generate a starter Dockerfile.

ENV.env Example Generator

Create .env and .env.example files.

Image Editing

✂Crop Image

Crop an image to any size or aspect ratio.

↻Rotate Image

Rotate an image in 90-degree steps or any angle.

↔Flip Image

Mirror an image horizontally or vertically.

⤡Resize Image

Resize by pixels, percent, cm, mm, or inches.

◐Grayscale Image

Convert photos to grayscale, black-and-white, or sepia.

░Blur Image

Apply an adjustable blur to an image.

▦Pixelate Image

Apply a mosaic or pixelation effect.

□Add Border to Image

Add a colored border or frame to an image.

©Watermark Image

Add a text or logo watermark to an image.

TAdd Text to Image

Place custom text captions on an image.

◯Circle Crop

Crop an image into a transparent circle.

◫Join Images

Merge multiple images into one picture.

⊞Image Splitter

Split an image into a grid of tiles.

◉Image Color Picker

Pick colors from any pixel in an image.

iEXIF Metadata Viewer

View EXIF metadata stored in photos.

Image Converters

IMGImage Converter

Convert images between PNG, JPEG, WebP, BMP.

⇆PNG to JPG

Convert PNG images to JPG format.

⇆PNG to WebP

Convert PNG images to WebP format.

⇆PNG to BMP

Convert PNG images to BMP format.

⇆PNG to GIF

Convert PNG images to GIF format.

⇆JPG to PNG

Convert JPG images to PNG format.

⇆JPG to WebP

Convert JPG images to WebP format.

⇆JPG to BMP

Convert JPG images to BMP format.

⇆JPG to GIF

Convert JPG images to GIF format.

⇆WebP to PNG

Convert WebP images to PNG format.

⇆WebP to JPG

Convert WebP images to JPG format.

⇆WebP to BMP

Convert WebP images to BMP format.

⇆WebP to GIF

Convert WebP images to GIF format.

⇆BMP to PNG

Convert BMP images to PNG format.

⇆BMP to JPG

Convert BMP images to JPG format.

⇆BMP to WebP

Convert BMP images to WebP format.

⇆BMP to GIF

Convert BMP images to GIF format.

⇆GIF to PNG

Convert GIF images to PNG format.

⇆GIF to JPG

Convert GIF images to JPG format.

⇆GIF to WebP

Convert GIF images to WebP format.

⇆GIF to BMP

Convert GIF images to BMP format.

Image Compression

⇲Compress Image

Reduce image file size to a target in KB.

⇲Bulk Image Compressor

Compress many images at once to a target size.

↑Increase Image Size

Pad an image file up to a larger target size.

⇲Compress Image to 10 KB

Compress an image down to about 10 KB.

⇲Compress Image to 20 KB

Compress an image down to about 20 KB.

⇲Compress Image to 50 KB

Compress an image down to about 50 KB.

⇲Compress Image to 100 KB

Compress an image down to about 100 KB.

⇲Compress Image to 200 KB

Compress an image down to about 200 KB.

⇲Compress Image to 500 KB

Compress an image down to about 500 KB.

⇲Compress Image to 1 MB

Compress an image down to about 1 MB.

⇲Compress Image to 2 MB

Compress an image down to about 2 MB.

Social Media

⤡Social Media Image Resizer

Resize and crop images for any social platform.

⤡Resize for Instagram Post

Crop and resize an image to the Instagram Post size.

⤡Resize for Instagram Portrait Post

Crop and resize an image to the Instagram Portrait Post size.

⤡Resize for Instagram Landscape Post

Crop and resize an image to the Instagram Landscape Post size.

⤡Resize for Instagram Story

Crop and resize an image to the Instagram Story size.

⤡Resize for Instagram Profile Photo

Crop and resize an image to the Instagram Profile Photo size.

⤡Resize for Facebook Post

Crop and resize an image to the Facebook Post size.

⤡Resize for Facebook Cover Photo

Crop and resize an image to the Facebook Cover Photo size.

⤡Resize for Facebook Profile Photo

Crop and resize an image to the Facebook Profile Photo size.

⤡Resize for Facebook Story

Crop and resize an image to the Facebook Story size.

⤡Resize for Facebook Event Cover

Crop and resize an image to the Facebook Event Cover size.

⤡Resize for X Post Image

Crop and resize an image to the X Post Image size.

⤡Resize for X Header Banner

Crop and resize an image to the X Header Banner size.

⤡Resize for X Profile Photo

Crop and resize an image to the X Profile Photo size.

⤡Resize for YouTube Thumbnail

Crop and resize an image to the YouTube Thumbnail size.

⤡Resize for YouTube Channel Banner

Crop and resize an image to the YouTube Channel Banner size.

⤡Resize for YouTube Profile Photo

Crop and resize an image to the YouTube Profile Photo size.

⤡Resize for LinkedIn Post Image

Crop and resize an image to the LinkedIn Post Image size.

⤡Resize for LinkedIn Cover Banner

Crop and resize an image to the LinkedIn Cover Banner size.

⤡Resize for LinkedIn Profile Photo

Crop and resize an image to the LinkedIn Profile Photo size.

⤡Resize for LinkedIn Company Logo

Crop and resize an image to the LinkedIn Company Logo size.

⤡Resize for TikTok Video Cover

Crop and resize an image to the TikTok Video Cover size.

⤡Resize for TikTok Profile Photo

Crop and resize an image to the TikTok Profile Photo size.

⤡Resize for Pinterest Pin

Crop and resize an image to the Pinterest Pin size.

⤡Resize for Pinterest Profile Photo

Crop and resize an image to the Pinterest Profile Photo size.

⤡Resize for WhatsApp Profile Photo

Crop and resize an image to the WhatsApp Profile Photo size.

⤡Resize for WhatsApp Status

Crop and resize an image to the WhatsApp Status size.

Meme Tools

😂Meme Generator

Add classic top and bottom captions to an image.

▤Demotivational Poster

Create a black-framed parody poster.

▶Video Meme GIF

Turn a video clip into a captioned GIF.

PDF Tools

PDFImage to PDF

Convert JPG, PNG, and WebP images into a PDF.

⨁Merge PDF

Combine multiple PDF files into one document.

✂Split PDF

Extract a page range, delete pages, or split to singles.

📷PDF to Image

Render PDF pages to JPG or PNG images.

⇲Compress PDF

Reduce PDF file size by re-rendering its pages.

GIF Tools

GIFGIF Maker

Create an animated GIF from a set of images.

▶Video to GIF

Convert a video clip into an animated GIF.

▣GIF to Frames

Extract the individual frames of a GIF as PNGs.

TAdd Text to GIF

Add a caption to every frame of a GIF.

»GIF Speed and Reverse

Speed up, slow down, or reverse a GIF.

Audio Tools

✂Audio Cutter

Trim and cut a section from an audio file.

♫Audio Joiner

Merge several audio files into one track.

♪Audio Volume and Fade

Change volume and add fade in or fade out.

WAVAudio to WAV Converter

Convert MP3, OGG, M4A and more to WAV.

iAudio Metadata Viewer

View duration, sample rate, and bitrate.

Audio Converters

⇆MP3 to WAV

Convert MP3 audio to WAV format.

⇆OGG to WAV

Convert OGG audio to WAV format.

⇆M4A to WAV

Convert M4A audio to WAV format.

⇆FLAC to WAV

Convert FLAC audio to WAV format.

⇆WAV to MP3

Convert WAV audio to MP3 format.

⇆OGG to MP3

Convert OGG audio to MP3 format.

⇆M4A to MP3

Convert M4A audio to MP3 format.

⇆FLAC to MP3

Convert FLAC audio to MP3 format.

SEO Tools

★Favicon Generator

Create a favicon.ico and PNG icon set from an image.

☰Sitemap Generator

Generate an XML sitemap from a list of URLs.

LDJSON-LD Schema Generator

Generate structured data markup for SEO.

UTMUTM Link Builder

Build campaign tracking URLs with UTM tags.

🌐Hreflang Tag Generator

Generate hreflang tags for multilingual sites.

Security & Crypto

🔒AES Encrypt / Decrypt

Encrypt or decrypt text with AES-GCM.

🔑Key Pair Generator

Generate RSA or EC public and private key pairs.

MACHMAC Generator

Compute HMAC signatures with SHA hashes.

JWTJWT Signer

Create and sign JSON Web Tokens.

TOKToken Generator

Generate secure random tokens and UUIDs.

Developer Tools

Formatters

Encoders / Decoders

Converters

Generators

Testers

CSS Visual Tools

Colors & Accessibility

Text Utilities

Dev Utilities

Calculators

SVG Tools

Project Files

Image Editing

Image Converters

Image Compression

Social Media

Meme Tools

PDF Tools

GIF Tools

Audio Tools

Audio Converters

SEO Tools

Security & Crypto

Developer Tools

Useful Developer Tools

Formatters

{ }JSON Formatter

</>HTML Formatter

#CSS Formatter

jsJS Formatter

SQLSQL Formatter

<xml>XML Formatter

Encoders & Decoders

B64Base64 Encode/Decode

%URL Encode/Decode

&HTML Entities

JWTJWT Decoder

B32Base32 Encode/Decode

B58Base58 Encode/Decode

R13ROT13 / ROT47 Cipher

CRCCRC32 Checksum

xn--Punycode Converter