Free Online Tools

200+ powerful micro-tools for developers, designers, and content creators. No sign-up required. Everything runs in your browser.

Developer Tools

{ }

JSON Formatter

Format, validate & minify JSON

Developer
B64

Base64 Encoder/Decoder

Encode & decode Base64 strings

Developer
%20

URL Encoder/Decoder

Encode & decode URL strings

Developer
#

Hash Generator

Generate MD5, SHA-1, SHA-256 hashes

Developer
ID

UUID Generator

Generate random v4 UUIDs

Developer
.*

Regex Tester

Test regex with live highlighting

Developer
MD

Markdown Preview

Write markdown, see live preview

Developer
πŸ•’

Timestamp Converter

Convert Unix timestamps to dates

Developer
CSV

JSON to CSV Converter

Convert JSON arrays to CSV

Developer
&;

HTML Entity Encoder

Encode & decode HTML entities

Developer
Β±

Diff Checker

Compare texts & find differences

Developer
SQL

SQL Formatter

Format & beautify SQL queries

Developer
⏰

Cron Expression Parser

Explain cron schedules in English

Developer
YML

JSON to YAML Converter

Convert between JSON & YAML

Developer
CSS

CSS Minifier/Beautifier

Minify or beautify CSS code

Developer
XML

XML Formatter

Format & validate XML documents

Developer
πŸ€–

Robots.txt Generator

Generate robots.txt visually

Developer
🏷️

Meta Tag Generator

Generate SEO & social meta tags

Developer
0x

Binary/Hex/Decimal Converter

Convert between number bases

Developer
JSX

HTML to JSX Converter

Convert HTML to React JSX

Developer
$..

JSON Path Finder

Click JSON values to get paths

Developer
JS

JavaScript Minifier

Minify or beautify JavaScript

Developer
< >

HTML Minifier

Minify HTML markup

Developer
{}S

JSON Schema Generator

Generate JSON Schema from data

Developer
.ht

.htaccess Generator

Generate Apache .htaccess files

Developer
NGX

Nginx Config Generator

Generate Nginx server configs

Developer
LD

Schema Markup Generator

Build JSON-LD structured data

Developer
UTM

UTM Link Builder

Build UTM tracking URLs

Developer
GIT

Git Command Generator

Visual git command builder

Developer
🐳

Docker Run to Compose

Convert docker run to compose

Developer
J{}

JavaScript Object to JSON

Convert JS objects to valid JSON

Developer
πŸ›‘οΈ

Privacy Policy Generator

Generate custom privacy policies

Developer
IP

Subnet Calculator

Calculate IP subnets & CIDR ranges

Developer
CSV

CSV to JSON Converter

Convert CSV data to JSON

Developer
πŸ“Έ

Screenshot to Code

Convert UI descriptions to HTML/CSS

Developer
πŸ”—

API Request Builder

Build & test HTTP API requests

Developer
β—ˆ

GraphQL Playground

Write & format GraphQL queries

Developer
⚑

SVG Optimizer

Optimize & minify SVG files

Developer
πŸ“§

Markdown to Email HTML

Convert Markdown to email HTML

Developer
πŸ—„οΈ

SQL Playground

Run SQL queries in the browser

Developer
πŸ“˜

OpenAPI Viewer

Visualize OpenAPI/Swagger specs

Developer
🎯

Color Token Generator

Generate design system color tokens

Developer
πŸ”§

API Mock Server

Mock API endpoints in the browser

Developer
πŸ—‚οΈ

Database Schema Designer

Visual database ERD builder

Developer

Design Tools

🎨

Color Picker

Pick colors, convert HEX/RGB/HSL

Design
🌈

CSS Gradient Generator

Create CSS gradients visually

Design
⊟

Aspect Ratio Calculator

Calculate & scale aspect ratios

Design
⭐

Favicon Generator

Generate favicons from text/emoji

Design
β–£

Box Shadow Generator

Create CSS box shadows visually

Design
⬜

CSS Flexbox Generator

Interactive flexbox playground

Design
β—‘

Color Contrast Checker

Check WCAG color contrast

Design
πŸ–ΌοΈ

Placeholder Image Generator

Generate dummy placeholder images

Design
SVG

SVG to PNG Converter

Convert SVG to PNG at any size

Design
β–¦

CSS Grid Generator

Visual CSS grid layout builder

Design
πŸŽ›οΈ

CSS Filter Generator

Visual CSS filter effect editor

Design
▢️

CSS Animation Generator

Build CSS keyframe animations

Design
πŸ’ 

Glassmorphism Generator

Frosted glass CSS effect builder

Design
β—―

Neumorphism Generator

Soft UI / neumorphic CSS generator

Design
πŸ’§

Blob Shape Generator

Generate organic SVG blob shapes

Design
🌊

Wave SVG Generator

Generate SVG wave dividers

Design
πŸ”„

CSS Transform Visualizer

Visualize CSS transforms live

Design
IMG

Image to Base64 Converter

Convert images to Base64 data URIs

Design
β€’

Image Resizer

Resize images to exact dimensions

Design
πŸ–ΌοΈ

Image Format Converter

Convert between PNG, JPG, WEBP

Design
πŸ’§

Image Watermark Tool

Add text watermarks to images

Design
πŸ”

Image to Text (OCR)

Extract text from images with OCR

Design
πŸ“·

Code Screenshot Generator

Beautiful code screenshots

Design
🎨

Color Code Converter

Convert HEX, RGB, HSL, CMYK colors

Design
🎨

Color Palette Generator

Generate color palettes from base color

Design
βœ‚οΈ

Image Cropper

Crop images to exact dimensions

Design
🎯

Image Color Extractor

Extract colors from images

Design
πŸ–ΌοΈ

Image Background Remover

Remove image backgrounds with AI

Design
βœ‚οΈ

CSS Clip Path Maker

Create CSS clip-path shapes visually

Design
Aa

Typography Scale Generator

Generate modular type scales

Design
πŸ”²

SVG Pattern Generator

Generate seamless SVG patterns

Design
🌈

Gradient Mesh Generator

Create multi-point mesh gradients

Design
πŸ‘οΈ

Color Blindness Simulator

Simulate color blindness on images

Design
πŸ“±

Responsive Design Tester

Preview sites at device sizes

Design
πŸ”€

Font Pair Suggester

Browse curated Google Font pairs

Design
✨

CSS Text Effects Gallery

Browse & customize CSS text effects

Design
πŸ“±

Screenshot Mockup Generator

Put screenshots in device frames

Design

Content Tools

Aa

Word Counter

Count words, chars, sentences

Content
Li

Lorem Ipsum Generator

Generate placeholder text

Content
QR

QR Code Generator

Generate QR codes from text/URLs

Content
Tt

Text Case Converter

Convert between text cases

Content
Ξ©

Character Map

Browse & copy special characters

Content
/--

Slug Generator

Convert text to URL-friendly slugs

Content
πŸ“„

Invoice Generator

Create & download PDF invoices

Content
πŸ“–

Readability Score Calculator

Analyze text readability scores

Content
βœ‰οΈ

Email Signature Generator

Create HTML email signatures

Content
πŸ…

Pomodoro Timer

Focus timer with break reminders

Content
123

Number to Words Converter

Convert numbers to English words

Content
Β·β€”

Morse Code Translator

Translate text to/from Morse code

Content
✨

Fancy Text Generator

Convert text to Unicode styles

Content
XII

Roman Numeral Converter

Convert Roman numerals & numbers

Content
010

Text to Binary Converter

Convert text to/from binary

Content
⇄

Text Reverser

Reverse text, words, or lines

Content
🎲

Random Data Generator

Generate fake test data

Content
β”‚β”‚β”‚

Barcode Generator

Generate barcodes in multiple formats

Content
A#

ASCII Art Generator

Convert text to ASCII art

Content
KW

Keyword Density Checker

Analyze keyword frequency & density

Content
πŸ”Š

Text to Speech

Convert text to spoken audio

Content
πŸ˜€

Emoji Search & Copy

Search & copy emojis instantly

Content
|─|

Markdown Table Generator

Build Markdown tables visually

Content
⏳

Countdown Timer Creator

Create event countdown timers

Content
✍️

Text Paraphraser

Rephrase & reword text

Content
πŸ“š

Citation Generator

Generate APA, MLA, Chicago citations

Content
#️⃣

Hashtag Generator

Generate social media hashtags

Content
πŸ“°

Headline Analyzer

Analyze & score blog headlines

Content
πŸ“„

Sentence Counter

Count sentences & paragraphs

Content
πŸ”

Text Similarity Checker

Compare text similarity percentage

Content
πŸ”„

Article Rewriter

Rewrite articles with new wording

Content
πŸ“‹

Resume Builder

Build resumes with PDF export

Content
πŸ’Ό

Business Name Generator

Generate business name ideas

Content
πŸ’‘

Writing Prompt Generator

Generate creative writing prompts

Content
πŸ˜‚

Meme Generator

Create memes with custom text

Content
πŸ”’

Character Limit Counter

Count characters with platform limits

Content

Security Tools

Utility Tools

%

Percentage Calculator

Calculate percentages easily

Utility
πŸŽ‚

Age Calculator

Calculate exact age from DOB

Utility
βš–οΈ

BMI Calculator

Calculate Body Mass Index

Utility
πŸ’°

Tip Calculator

Calculate tips & split bills

Utility
πŸ“

Unit Converter

Convert between measurement units

Utility
🌍

Time Zone Converter

Convert times between time zones

Utility
🏷️

Discount Calculator

Calculate discounts & savings

Utility
⏱️

Stopwatch

Stopwatch with lap times

Utility
GB

Data Size Converter

Convert between data size units

Utility
fx

Scientific Calculator

Full scientific calculator

Utility
🧱

Concrete Calculator

Calculate concrete yards needed

Utility
🌿

Mulch Calculator

Calculate mulch quantity needed

Utility
⛰️

Gravel Calculator

Calculate gravel tons needed

Utility
πŸ–ŒοΈ

Paint Calculator

Calculate paint gallons needed

Utility
πŸ—οΈ

Flooring Calculator

Calculate flooring material needed

Utility
🏠

Roofing Calculator

Calculate roofing materials needed

Utility
🏑

Fence Calculator

Calculate fence materials needed

Utility
πŸͺ΅

Deck Cost Calculator

Calculate deck materials & cost

Utility
⌨️

Typing Speed Test

Test typing speed in WPM

Utility
πŸ“Ά

Internet Speed Test

Test download & upload speed

Utility
πŸ“œ

Terms of Service Generator

Generate website Terms of Service

Utility
πŸͺ

Cookie Consent Generator

Generate GDPR cookie consent banner

Utility
πŸ“·

QR Code Reader

Scan & decode QR codes

Utility
🌐

IP Address Lookup

Show your public IP & location

Utility
πŸ–₯️

Screen Resolution Detector

Detect screen resolution & DPI

Utility
πŸ”Ž

What Is My Browser

Detect browser & OS info

Utility
⬇️

Download Time Calculator

Calculate file download time

Utility
πŸ“†

Date Difference Calculator

Calculate days between dates

Utility
πŸ•

World Clock

View time in multiple cities

Utility
πŸ—“οΈ

Date Calculator

Add/subtract days from dates

Utility
πŸŽ‚

Birthday Calculator

Calculate age & birthday countdown

Utility
⚑

Electricity Cost Calculator

Calculate electricity cost

Utility
β›½

Fuel Cost Calculator

Calculate trip fuel cost

Utility
⏱️

Time Card Calculator

Calculate work hours & pay

Utility
πŸ“‘

PDF Merger

Merge multiple PDFs into one

Utility
βœ‚οΈ

PDF Splitter

Extract pages from a PDF

Utility
πŸ–ΌοΈ

PDF to Image

Convert PDF pages to images

Utility
πŸ“„

Image to PDF

Convert images to PDF

Utility
πŸ”„

PDF Rotate

Rotate PDF pages visually

Utility
πŸ’§

PDF Watermark

Add text watermarks to PDFs

Utility
🏷️

PDF Metadata Editor

Edit PDF title, author & metadata

Utility
↕️

PDF Page Reorder

Drag to reorder PDF pages

Utility

Finance & Money Tools

Health & Fitness Tools

Math & Education Tools

Converter Tools

Audio Tools

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