Fillo automatically generates validation rules based on the form schema you define, checking inputs client‑side and sending only valid data to your storage or API endpoints, so you never need to write custom validation logic.
Yes, Fillo lets you configure the storage destination for uploads, so files can be sent straight to your preferred cloud bucket or on‑premises storage without any intermediary server, ensuring full control over your data.
Fillo preserves existing responses by versioning the form schema; new submissions use the latest version while old data remains accessible, so you can evolve the form without breaking historical records.