267 free tools · no account needed

Free online tools for numbers, code and text

Calculate, convert and format. Pick a tool below or search straight away.

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Image

66 tools All image tools

Need a favicon? Convert your logo with PNG to ICO or SVG to ICO, and see how to make a favicon for the files your site needs.

Edit

Converting

JPG

PNG

SVG

TIFF

WebP

Files

21 tools All file tools

File too big for email? Compress PDF shrinks a PDF, and Split ZIP cuts a ZIP into parts.

Compressing and archiving

Encoding and decoding

PDF and documents

Text

67 tools All text tools

Counting

Encryption

Capitalisation

Lines

Cleaning up

Converting

Code

21 tools All code tools

Working with tokens or customer data? The JSON formatter and the JWT decoder run entirely in your browser.

Format and minify

Encoding and escaping

Converting

Testing

Math

75 tools All math tools

Everyday calculators

Electricity

Unit conversion

Interest and loans

Fractions

Complex numbers

Matrices

Trigonometry and geometry

Calculus and analysis

Arithmetic and statistics

Other

17 tools All other tools

Generators

PDF

Handy tools

More tools in Dutch: 278 tools →

About online-tool.ing

online-tool.ing collects small, fast tools for everyday work: working out a percentage or VAT, rounding numbers, formatting JSON or decoding a JWT. Every tool has its own page and needs no account. The tools run entirely in your browser, so your data stays on your own device.

Frequently asked questions

Are the tools free?

Yes. All tools are free to use, with no account, sign-up or usage limit.

Are my files stored?

No. The tools run in your browser: numbers, text and files are processed on your own device and are not sent to a server or stored.

Does it work on my phone?

Yes. Every page works in modern browsers on phones, tablets and computers. For large files a computer is faster.