Clean — by Similarity API
Compare two lists
in seconds
Paste or drop two lists — usernames, emails, IDs, anything. See what's only in A, only in B, and in both.
or drop / choose a .txt, .csv, .json file
or drop / choose a .txt, .csv, .json file
Free for combined totals up to 500 rows. Larger jobs from $1.99 — you preview the full match counts before paying.
Built for real-world list checks
- →Followers vs following. Drop your Instagram or TikTok export files and find who doesn't follow you back — or who you don't follow back.
- →Email list overlap. Compare two exports before sending — find shared addresses and net-new leads.
- →Allowlist / membership checks. Compare an updated list against yesterday's snapshot to spot additions and removals.
- →Any two lists of identifiers. Usernames, order IDs, SKUs, domains — one value per line is all you need.
We auto-handle common exports
Drop the file straight from the platform — no cleanup needed. We detect the shape and extract the handles automatically.
Instagram
followers_1.json · following.json
TikTok
user_data.json · user_data_tiktok.json
Plus
Plain .txt, single-column .csv, JSON arrays of strings or objects.
Simple Pricing
Free for small files. Pay only for large Excel & CSV jobs.
Process up to 500 rows for free. Larger files are priced per run.
$0
Up to 500 rows
- Fuzzy deduplication
- Multi-column matching
- Instant download
Most Popular
Large File
$1.99+
501 – 100,000 rows
- Up to 3,000 rows — $1.99
- Up to 10,000 rows — $4.99
- Up to 25,000 rows — $9.99
- Up to 50,000 rows — $19.99
- Up to 100,000 rows — $29.99
Monthly Unlimited
$99.99/mo
Unlimited uploads
- Up to 10 MB per file
- Unlimited file upload / deduplication
- Priority customer support
- Cancel anytime
Need something different?
Try one of our other Clean tools.