Energy Usage Estimator

How much electricity does your household really use? If you want to double-check your household’s energy consumption, this calculator provides a simple way to make your own estimate based on the appliances you use every day.

Add each appliance, enter its electricity consumption and the number of hours it typically runs each day. You can then choose a calculation period, from a few days to a full year, to estimate how much electricity your household would consume during that time.

This gives you an independent, appliance-by-appliance estimate of your household’s electricity consumption in kWh. You can use the result to better understand your everyday energy usage and compare your own estimate with the consumption recorded on your electricity bill.

⚡ Energy Usage Estimator

Estimate household electricity consumption based on your appliances and daily usage.

Calculation Period

Appliances

Appliance Power (kWh/hour) Daily Usage (hours) Daily Consumption Period Consumption
Example: a 1000W appliance uses approximately 1 kWh per hour.

Consumption Summary

Daily Consumption
0 kWh
Monthly Equivalent
0 kWh
Calculation Period
0 kWh
Estimated household consumption
365 days
0 kWh

Pixel Icon Editor: Create Your Own Icons for Free

Are you looking for a unique icon for your app but can’t find it yet ?
Let make it here !

No drawing skill required. No complex UI. No license issues. Just fill color to each pixels.

Pixel Icon Editor

Create your own pixel icon, one cell at a time.

How to Create an Icon

Choose the size of your icon, select a color, and click individual cells to draw your design.

  • Choose an icon size such as 8×8, 16×16, 32×32, or 64×64.
  • Select a color using the color picker.
  • Click or drag across cells to draw pixels.
  • Use Erase to remove individual pixels.
  • Use Clear to start again.
  • Click Export PNG to download your icon.

Free Barcode Generator

Create barcodes easily with our free online Barcode Generator. Enter your value, Choose a barcode format, and Generate. No software installation is required

Barcode Formats

Different barcode formats are designed for different purposes.

  • EAN-13 and EAN-8 are commonly used for retail products, with EAN-13 requiring 13 digits and EAN-8 requiring 8 digits.
  • UPC-A is widely used for retail products in the United States and Canada and requires 12 digits.
  • CODE128 is a flexible format that supports letters and numbers, making it suitable for shipping labels, inventory, and general-purpose identification.
  • CODE39 is commonly used in industrial and logistics applications.
  • ITF-14 is primarily used to identify product cartons and packaging.
FormatInput requirementNoteTypical use
EAN-1313 digits
Enter 12 digits only, last digit is computed automaticallyRetail products worldwide
EAN-8 8 digitsEnter 7 digits only, last digit is computed automaticallySmall retail products
UPC-A12 digitsEnter 11 digits only, last digit is computed automaticallyRetail products, mainly US/Canada
CODE128Letters, numbers, and many symbolsShipping, inventory, general identification
CODE39Letters, numbers, and selected symbolsIndustrial and logistics applications
ITF-1414 digitsEnter 13 digits only, last digit is computed automaticallyProduct cartons and cases

Free Charts Generator

Want to draw charts but don’t know how? You’re at the right place!

Create Pie Charts, Bar Charts, and Line Charts in just a few clicks. No coding skill required. No design skill required. No installation required. Just simply:

  1. Enter your data.
  2. Customize your chart.
  3. Download it as a PNG image

1. Pie Chart

Pie Chart Data


2. Column Chart

Bar Chart Data


3. Line Chart

Line Chart Data


Which Chart Should You Use?

Choosing the right chart makes your data easier to understand and helps your audience see the most important information quickly. Our free online chart generators make it easy to create and download professional-looking charts without coding or complicated design software.

Pie Chart – Best for Showing Proportions

A pie chart is best when you want to show how different categories contribute to a whole. It works particularly well for percentages, market share, budget allocation, survey results, and other part-to-whole comparisons.

Use a pie chart when you have a small number of categories and the total represents 100% or another meaningful whole.

Bar Chart – Best for Comparing Categories

A bar chart is ideal for comparing values between different categories. Use it to compare sales by product, website traffic by source, population by country, survey responses, or the performance of different groups.

If your main goal is to see which category is larger, smaller, or ranked highest, a bar chart is usually the best choice.

Line Chart – Best for Showing Trends

A line chart is the best choice when your data changes over time or follows an ordered sequence. It is commonly used for tracking revenue, website visitors, stock prices, temperature, population, or other metrics over days, months, or years.

Use a line chart when you want your audience to quickly see growth, decline, fluctuations, or overall trends.

Create Your Chart Online for Free

You don’t need Excel, complicated software, or coding knowledge to create a chart. With our free chart maker, you can enter your data, customize colors and labels, preview the result instantly, and download your chart as an image.

Whether you need a pie chart, bar chart, or line chart, choose the chart type that best matches your data and create your visualization in just a few clicks.


Free PDF to Text Converter – Extract Text from PDF Online

Note: This tool works only with digital PDFs that already contain selectable text. It does not support scanned PDFs or image-only documents.

Drop PDF here

What Is a Digital PDF?

A digital PDF is created directly from software rather than from a scanner. Common examples include:

  • Microsoft Word → Save as PDF
  • Google Docs → Download as PDF
  • Microsoft Excel → Export as PDF
  • PowerPoint presentations
  • CAD drawings
  • Web pages printed to PDF

These files contain much more than what you see on the screen.

What Does a PDF Actually Store?

A digital PDF doesn’t save a page as one large picture. Instead, it stores instructions describing how to draw the page. For example, a page might contain instructions such as:

  • Draw the word “Invoice” at position (100, 80)
  • Draw the customer’s name at position (100, 120)
  • Draw a company logo
  • Draw a table
  • Draw a line

Each piece of text is stored separately, along with information such as:

  • The characters
  • Font
  • Font size
  • Text color
  • Position on the page
  • Rotation

Because the actual characters are stored in the file, software can recover them without guessing.

How PDF Text Extraction Works

A PDF-to-Text tool does not read the page like a human. Instead, it follows these steps:

Step 1: Open the PDF

The PDF file is parsed and its internal structure is read.

Step 2: Read Every Page

Each page contains drawing instructions.

The extractor loads these instructions one page at a time.

Step 3: Find Text Objects

The software identifies objects that represent text.

For example, a page may contain:

  • “Hello”
  • “World”
  • “Invoice #1023”

Each text object includes both the characters and their position.

Step 4: Sort the Text

Text inside a PDF is not always stored in reading order. The extractor sorts text by its position so that paragraphs appear in a natural order.

Step 5: Combine Everything

Finally, all extracted text is combined into a plain text document that you can copy, search, or save.

Why Doesn’t This Work for Scanned PDFs?

A scanned PDF is completely different. Instead of storing characters, it stores photographs of pages. To a computer, this is just an image made of pixels. There are no words to extract. Before text can be recovered, OCR software must analyze the image and recognize each letter. This process is slower and can introduce mistakes, especially with:

  • Handwriting
  • Blurry scans
  • Low-resolution images
  • Decorative fonts

How Can You Tell Which Type of PDF You Have?

A simple test is to open the PDF and try selecting text with your mouse. If you can highlight individual words and copy them into a text editor, the PDF already contains digital text. If you cannot select words—or selecting highlights the entire page as one image—the PDF is likely a scanned document and requires OCR.


Free QR Code Generator & QR Code Reader (No Installation Required)

QR codes have become part of everyday life. Whether you’re sharing a website, Wi-Fi password, contact information, payment link, or simply trying to access information from a printed document, a QR code makes the process fast and convenient. To make this even easier, we’ve built these free online tools that work directly in your browser:

  • QR Code Generator – Turn any text or URL into a QR code instantly.
  • QR Code Reader – Upload an image containing a QR code and decode its contents in seconds.

No registration. No software installation. No data is sent to a server.

Try it here:

1. QR Code Generator

Need to create a QR code for your links? Simply enter here and click Generate.

2. QR Code Reader

Have a QR code ? Decode it here by simply upload that image to this QR Code Reader.



Select a QR code image…