Convert vs Modify

When to use each in English, with meaning, register, and examples.

Convert

Top 2,000 (common)B2verb

Modify

Top 2,000 (common)B2verb
 ConvertModify
Pronunciation🇬🇧 /["/kənˈvɜːt/","/kənˈvɜːts/","/kənˈvɜːtɪd/","/kənˈvɜːtɪŋ/"]/🇺🇸 /["/kənˈvɜːrt/","/kənˈvɜːrts/","/kənˈvɜːrtɪd/","/kənˈvɜːrtɪŋ/"]/🇬🇧 /["/ˈmɒdɪfaɪ/","/ˈmɒdɪfaɪz/","/ˈmɒdɪfaɪd/","/ˈmɒdɪfaɪɪŋ/"]/🇺🇸 /["/ˈmɑːdɪfaɪ/","/ˈmɑːdɪfaɪz/","/ˈmɑːdɪfaɪd/","/ˈmɑːdɪfaɪɪŋ/"]/
Meaningto change something into a different form or useChange something to make it better or different.
ExampleI need to convert this document from PDF to Word format.You can modify the document by adding new sections.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB2B2
Part of speechverbverb
Collocationsconvert currency, convert data, convert files, convert ideas, convert a roomconsiderably, drastically, extensively, have to, need to, for, highly modified, in a modified form, modified to fit something
Antonymsmaintain, preserve, staymaintain, preserve, keep
Common mistakesConfused with 'transpose' — they are not interchangeable., Often misused in passive voice without a subject., Incorrectly used when referring to simple changes that do not involve a transformation.Confusing with 'modification', which is the noun form., Using 'modify' without an object, which is incorrect., Overusing 'modify' instead of synonyms like 'change' or 'adjust' in casual speech.
Usage notesCommonly used in both technical and everyday contexts. Suitable in neutral conversations but may be formal in legal or financial discussions. Avoid slang contexts.Use 'modify' when discussing changes to plans, documents, or objects. It's neutral, so it's appropriate in most contexts, such as academic or business settings.

Frequently asked questions: Convert vs Modify

What's the difference between Convert and Modify?

Convert: to change something into a different form or use Modify: Change something to make it better or different.

Are Convert and Modify the same CEFR level?

Convert: B2, Modify: B2 on the CEFR scale.

What part of speech are Convert and Modify?

Convert: verb, Modify: verb.

Can you show an example of each?

Convert: I need to convert this document from PDF to Word format. Modify: You can modify the document by adding new sections.

Can I use Convert and Modify interchangeably?

Not always. Convert and Modify are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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