czytelny v angličtině:

Markdown is a markup language, but a very readable one.

I didn’t like his last book – it wasn’t very readable.

Your signature is pretty legible.

Your handwriting is very legible.

Records shall be legal, legible and easy to be retrieved.

If writing is legible, you can read it easily.

legible /ˈledʒəbl; US / adj. that is clear enough to be read easily His writing is so small that it’s barely legible. legible handwriting ▶ czytelny

These were legible only to the man who wrote them

The signature was still legible (it was possible for me to read it).

legible handwriting

Put a legible signature under the statement.

slide is much more legible

Jason's handwriting was so bad, it was barely legible. An example of legible is neatly written text.

I can't possibly read this; her handwriting is illegible.

Her writing is very clear, it’s so legible.

A legible signature, where names can be clearly read, implies that you're a person with clear ideas and objectives.

illegible/ a legible signature