Percentage Calculator
Free to use, with no signup. Your tool inputs are processed in your browser.
Word & character counter
0 words · 0 characters
Words are separated by whitespace. Character counts include spaces.
Text case converter
Uses the text box above. Numbers and punctuation stay unchanged.
Percentage calculator
15% of 200 = 30
Formula: number × percentage ÷ 100. This is a basic arithmetic tool.
Image resizer
Maximum output: 6,000 pixels per side and 24 million pixels total.
JPG / PNG / WebP converter
Uses the image and dimensions selected above. Choose a format and download your result.
JPG uses a white background for transparent images. PNG is lossless; its quality is not changed by the slider. Browser export may remove metadata and does not guarantee a smaller file.
Download imageHow to use these tools
- Paste your text to see word and character totals, then choose a text case if needed.
- Enter a percentage and number to calculate the result.
- Choose a supported image, set its dimensions and output format, then prepare and download it.
Keep an original copy of your files. Image export support varies by browser. No account is required.
How it works
Enter a percentage and a number, then calculate. Example: 15% of 200 is 30. The formula is number × percentage ÷ 100. This tool calculates the percentage amount, rather than automatically subtracting a discount.