Document limits and storage

Guests can save 3 documents and 75MB for 30 days. Registered accounts include 100 documents and 2GB. Each file is limited to 25MB and each upload can include up to 3 documents.

Add-on plans

Small adds 250 documents and 5GB for ¥490/month. Large adds 1,000 documents and 20GB for ¥1,490/month. Prices include tax. Storage is separate from the balance used to unlock reader activity.

At 80% and 90% usage, Signal shows a reminder. At 100%, new uploads and replacements pause; existing documents, links, history, and unlocked information remain available.