Converters

JSON Formatter

Beautify, validate, and minify JSON data structures.

Converters

JSON Validator

Validate JSON syntax and detect exact line error locations.

Converters

Base64 Encoder

Encode text and UTF-8 strings into Base64 format.

Converters

Base64 Decoder

Decode Base64 encoded strings back to plain text.

Converters

UUID Generator

Generate bulk Version-4 UUIDs using cryptographically secure randomness.

Converters

Epoch Converter

Convert Unix timestamps to human readable dates and vice versa.

Developer

JWT Decoder

Decode JSON Web Tokens (Header, Payload, Claims) with timestamp parsing.

Converters

JSON to CSV

Convert JSON arrays or objects into CSV spreadsheets.

Converters

CSV to JSON

Parse CSV files or raw CSV text into structured JSON arrays.

Converters

JSON to YAML

Convert JSON data into clean YAML syntax.

Converters

YAML to JSON

Parse and convert YAML code into formatted JSON.

Developer

XML Formatter

Format, indent, and minify XML documents.

Developer

XML Validator

Validate XML syntax and check for proper tag closure.

Developer

SQL Formatter

Format, beautify, and indent complex SQL queries.

Developer

HTML Formatter

Format and minify HTML code with proper indentation.

Developer

CSS Formatter

Beautify or compress CSS stylesheets.

Developer

JavaScript Formatter

Format and clean JavaScript code.

Developer

Markdown Previewer

Live editor and HTML previewer for Markdown documents.

Developer

HTML Previewer

Real-time sandboxed HTML, CSS, and JS previewer.

Developer

Regex Tester

Test regular expressions with real-time match highlighting and flags.

Developer

Regex Generator

Build common regex patterns for email, URL, phone, and dates.

Developer

Cron Generator

Generate crontab schedule expressions with human-readable descriptions.

Developer

HTTP Status Codes

Searchable dictionary of HTTP status response codes and specifications.

Developer

MIME Type Lookup

Search MIME content-types by file extension or vice versa.

Developer

IP Address Info

Validate IPv4 / IPv6 addresses and inspect local network properties.

Designer

Color Picker

Visual color picker with instant HEX, RGB, and HSL values.

Designer

HEX / RGB Converter

Convert color codes bidirectionally with live color swatch.

Designer

Color Palette Generator

Generate random color schemes with lockable color swatches.

Designer

Gradient Generator

Create CSS linear and radial gradients with custom color stops.

Designer

Box Shadow Generator

Visually build CSS box-shadows with offset, blur, spread, and inset controls.

Designer

Border Radius Generator

Preview and copy custom 8-point CSS border-radius curves.

Designer

CSS Button Generator

Design custom CSS buttons with hover effects, padding, and shadows.

Designer

Glassmorphism Generator

Build modern frosted glass CSS backdrop-blur effects.

Designer

Text Shadow Generator

Generate multi-layer CSS text shadows with live typography preview.

Designer

Color Contrast Checker

Check text vs background color contrast against WCAG AA & AAA standards.

Designer

Color Blindness Simulator

Simulate Protanopia, Deuteranopia, and Tritanopia color blindness.

Image

Image to Base64

Convert image files into Base64 Data URI strings for HTML/CSS embedding.

Image

Base64 to Image

Decode Base64 Data URI strings into downloadable image files.

Image

SVG Optimizer

Clean and minify SVG markup while preserving visual quality.

Image

SVG to PNG Converter

Convert scalable SVG vector files into high-res raster PNG images.

Text

Word Counter

Count words, characters, sentences, paragraphs, and reading time.

Text

Character Counter

Real-time metrics for total characters, no-space characters, words, and lines.

Text

Case Converter

Convert UPPERCASE, lowercase, Title Case, camelCase, snake_case, etc.

Text

Remove Duplicate Lines

Deduplicate text lists with case sensitivity and trim options.

Text

Lorem Ipsum Generator

Generate placeholder text paragraphs, sentences, or words.

Text

Text Diff Checker

Compare two text snippets and highlight additions, deletions, and changes.

Text

Find & Replace

Search and replace text occurrences with case-sensitive options.

Text

Remove Extra Spaces

Clean up multiple consecutive spaces, tabs, and trailing line whitespace.

Text

Remove Empty Lines

Strip out blank lines from text documents and lists.

Text

Sort Lines

Sort list items alphabetically (A-Z, Z-A), numerically, or naturally.

Text

Reverse Text

Reverse characters, words, or entire line order.

Text

URL Slug Generator

Convert text headlines into URL-friendly sanitized slugs.

Security

Password Generator

Generate cryptographically secure passwords using Web Crypto API.

Security

Hash Generator

Generate SHA-256, SHA-384, and SHA-512 hashes using browser crypto.

Security

MD5 Generator

Generate 128-bit MD5 checksum hashes for text strings.

Security

SHA Hash Suite

Compute SHA-1, SHA-256, SHA-384, and SHA-512 message digests.

Security

HMAC Generator

Generate keyed-hash message authentication codes (HMAC-SHA256).

Security

Password Strength Checker

Test password entropy, length, character variety, and common patterns locally.

Security

Random String Generator

Generate secure random tokens, API keys, and alphanumeric strings.

Web & URL

URL Encoder

Percent-encode special characters for URL query strings.

Web & URL

URL Decoder

Decode percent-encoded URL parameters and query strings.

Web & URL

URL Parser

Break down URLs into protocol, domain, port, path, and query params.

Web & URL

Query String Parser

Parse URL query strings into key-value tables.

Web & URL

Query String Generator

Build encoded URL query strings from key-value inputs.

Web & URL

UTM Campaign Builder

Build Google Analytics campaign tracking URLs with UTM parameters.

Web & URL

UTM Parameter Parser

Extract and inspect UTM parameters from marketing links.

Web & URL

HTTP Header Parser

Parse raw HTTP request and response headers into structured key-values.

Web & URL

User Agent Parser

Parse User-Agent headers to detect browser, OS, engine, and device type.

SEO & Marketing

Open Graph Meta Generator

Generate og:title, og:image, and social preview meta tags.

SEO & Marketing

Twitter Card Generator

Generate twitter:card, twitter:title, and Twitter meta tags.

SEO & Marketing

Robots.txt Generator

Create customized robots.txt files for search engine web crawlers.

SEO & Marketing

XML Sitemap Generator

Build structured XML sitemaps for search engine indexing.

SEO & Marketing

SERP Snippet Preview

Preview how your page title and meta description look in Google search results.

SEO & Marketing

Schema Markup Generator

Generate JSON-LD structured data for Organization, Article, Product, and FAQ.

SEO & Marketing

Keyword Density Checker

Analyze text content for keyword frequency and density percentages.

Image

Image Compressor

Compress JPG, PNG, and WebP images client-side without quality loss.

Image

Image Resizer

Resize image dimensions and aspect ratios.

Image

Image Cropper

Visually crop rectangle selections from images.

Productivity

QR Code Generator

Generate customizable, downloadable PNG QR codes.

Productivity

Unit Converter

Convert length, weight, temperature, and area units.

Media

YouTube Thumbnail Downloader

Download HD, 4K, and 1080p YouTube video thumbnails.

Media

Instagram Reel Downloader

Download high quality Instagram Reels and video content.

Media

Video Editor & Audio Studio

Browser-based video trimming, silent preview, and audio extraction.

PDF

Merge PDF

Combine multiple PDF files locally and download one document.

PDF

Split PDF

Extract selected PDF pages into a new file.

PDF

Optimize PDF

Resave a PDF with object streams and report the actual size change.

PDF

Remove PDF Pages

Remove selected pages from a PDF locally.

PDF

Rotate PDF

Rotate selected PDF pages by 90, 180, or 270 degrees.

PDF

Images to PDF

Create a PDF from PNG or JPEG images locally.

PDF

PDF to Images

Render PDF pages as PNG downloads in your browser.

PDF

PDF Watermark

Add a text watermark to every page of a PDF locally.

Converters

JSON to XML

Convert nested JSON data into XML.

Converters

XML to JSON

Parse XML documents into formatted JSON.

Converters

CSV to TSV

Convert quoted CSV data into tab-separated values.

Converters

TSV to CSV

Convert tab-separated values into valid CSV.

Converters

Markdown to HTML

Convert basic Markdown into safe HTML output.

Converters

HTML to Markdown

Convert common HTML elements into Markdown.

Image

Image Format Converter

Convert PNG, JPG, and WebP images locally.

Image

Image Metadata Viewer

Inspect image dimensions, file size, MIME type, and format.

Image

Image Color Picker

Click an image pixel to read HEX, RGB, and HSL colors.

Image

Image Color Palette Generator

Extract a useful palette from an uploaded image.

Image

Favicon Generator

Create a square favicon PNG from any image.

Image

Image Watermark

Add adjustable text watermarks to images.

Image

Image Rotate & Flip

Rotate images and flip them horizontally or vertically.

Image

Image Grayscale

Convert an image to grayscale locally.

Image

Image Blur

Apply adjustable blur to an image.

Image

Image Brightness & Contrast

Adjust image brightness and contrast with a live canvas transform.

Image

Watermark Remover

Clean selected watermark areas from images, QR/code images, and videos locally.

Converters

JSON Formatter

Beautify, validate, and minify JSON data structures.

Converters

JSON Validator

Validate JSON syntax and detect exact line error locations.

Converters

Base64 Encoder

Encode text and UTF-8 strings into Base64 format.

Converters

Base64 Decoder

Decode Base64 encoded strings back to plain text.

Converters

UUID Generator

Generate bulk Version-4 UUIDs using cryptographically secure randomness.

— EXPLORE BY CATEGORY —

TOOLS FOR EVERY NEED

All tools run directly in your browser. Your data never leaves your device.
Client-Side Processing No Data Collection Open Source Always Free

We are the makers

NemonTechThe Creator

We build digital products and powerful solutions that make the web smarter, faster and better.

  • Innovative Digital Solutions
  • User First Approach
  • Powerful & Scalable Products
  • Built with Passion
Know More About NemonTech
Blue NemonTech creator platform with digital product icons
Nemon Tools Logo
Green request inbox with a paper planeI have an idea!Need a tool for PDF mergeWord counter?Add a Unit Converter tool

We listen to you

Request ToolWe Listen You

Can't find the tool you need? Tell us what you want. We listen, we build and we make it happen!

  • Your Idea MattersShare your tool request in seconds.
  • We Build ItOur team creates it with care.
  • It's Live For EveryoneYou asked, we built - everyone benefits.
Request Your Tool

Created by

NemonTech

We build digital products and technologies that solve real problems and empower people.

Visit NemonTech
NemonTech

Digital - Products - Technology