A LITTLE HELP FOR YOUR NEXT TASK
List Compare
Find shared, missing and unique entries across two lists.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
Preparing text workspace…
How to use List Compare
- Paste text, load a UTF-8 file or try the sample.
- Choose options and select Run. Review the result, counts and any warnings.
- Copy or download the result in an available format. Run again after changing inputs.
What are the limits of List Compare?
Up to 25,000 lines per list. Compares distinct non-empty lines, with optional trimming and case sensitivity. First-list spellings/order are retained for shared entries. JSON includes all groups; plain text and CSV use the selected result group. Text and files stay in browser memory and a local worker. No uploads, account access, network lookups or automatic storage. Refreshing clears your work. Input is limited to 500 KB and generated output to 1 MB; processing times out after five seconds. Downloads and clipboard copies contain the output you choose.