Technical specs and decision signals
Use these specs to validate cost, privacy model, device support, and merge boundaries before you combine files.
Cost
Free merge flow with no account requirement for standard packet creation.
Security
Files stay on your device during browser merge processing and do not require server uploads.
Device
Runs on modern desktop and mobile browsers with ordering controls before merge.
Tech specs
Input: up to 100 PDF files per run with up to 25MB per file in local mode. Output: one merged PDF preserving source layout, images, and fonts.