tools.st / Free
Small tools. Infinite possibilities.
300 free online tools for images, text, JSON, data, development and calculations. No signup. Tool inputs are processed locally in your browser.
Popular tools
1–12 / 12▧001
Image compressor
Reduce image file size with adjustable JPEG quality.
Image↗
▧002
Image resizer
Resize an image to a precise width without distortion.
Image↗
Tt003
Word counter
Count words, Unicode characters and lines instantly.
Text↗
{ }004
JSON formatter
Validate JSON and format it with readable indentation.
Developer↗
{ }005
Base64 encoder
Encode Unicode text as Base64 safely.
Developer↗
{ }006
Password generator
Create a random password using secure browser randomness.
Developer↗
{ }007
UUID generator
Generate a random version 4 UUID.
Developer↗
Tt008
Text comparison
Compare two texts line by line; + and − mark changes.
Text↗
±009
Percentage calculator
Calculate a percentage of a number.
Calculators↗
±010
Unit converter
Convert length, weight and temperature units.
Calculators↗
±011
Age calculator
Calculate completed years of age between two dates.
Calculators↗
±012
Color converter
Convert a HEX color to RGB and HSL.
Calculators↗
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