GoodSync is file synchronization and backup software for desktops, servers, and NAS devices. It runs one-way backups or two-way syncs between local folders, network shares, FTP and SFTP servers, and cloud accounts, with scheduling, version history, and AES-256 encryption.
GoodSync is backup and synchronization software built around jobs: you name a job, choose a source and a destination, and decide whether it should copy in one direction or keep both sides identical. Sources can be local folders, mapped drives, network shares, removable disks, FTP or SFTP servers, WebDAV, NAS devices, or cloud accounts such as Google Drive, OneDrive, Dropbox, Amazon S3, Box, and Backblaze. Once configured, a job can run on a schedule, on a timer, or in real time whenever a file changes. Analysis runs before every transfer, so it reports what will happen before anything is written.
Under the surface, GoodSync does more than copy files. Block-level transfer propagates only the chunks that changed since the last analysis, which cuts transfer time and storage use on large documents. Renames and moves are detected and executed as move commands instead of delete-and-recreate, so history and permissions survive. Open files can be backed up while a user is editing them, and conflicts are resolved automatically with the losing version preserved for recovery. Version history keeps earlier copies for a set period, and AES-256 encryption protects data both in transit and at rest. A bandwidth throttle prevents jobs from saturating a working connection. Where a transfer is a one-off rather than a recurring job, a straightforward client such as SmartFTP Client is the simpler answer.
The value of GoodSync shows up over months rather than on the first run. Because it compares both sides before moving anything, a two-way job keeps a desktop and an external drive identical without the guesswork of remembering which copy is newer. Block-level transfers mean a 500 MB presentation with one changed slide costs a few kilobytes of bandwidth instead of a full re-upload. Unattended service mode means jobs run whether or not the application window is open, and a headless device can back itself up without a user logged in. Automated conflict resolution removes the main hazard of two-way sync, since the overwritten file is preserved rather than discarded. Filters, parallel threads, and portable paths for removable drives round out a tool designed to be configured once and forgotten.
Key capabilities and highlights.
Each GoodSync job is either a backup, where the destination follows the source, or a two-way synchronization that reconciles changes on both sides. Choosing between them is a single setting, and both modes preview their work before execution.
A job can trigger the moment a file changes, on a recurring interval, or at a fixed time, and the service runs in the background with nobody logged in. That makes it suitable for servers and NAS boxes as well as desktops.
After the first analysis, GoodSync transmits only the blocks that actually changed inside a file rather than the entire file. On large spreadsheets, databases, and media files this reduces transfer time, network usage, and storage growth substantially.
Backup jobs can retain one or several previous versions of every changed file, so an overwritten document or a ransomware incident does not mean permanent loss. Retention rules control how long those copies survive and how much disk space they occupy.
AES-256 encryption protects data both while it is moving and while it sits in the destination, which matters when the target is a cloud account or a shared server. Jobs therefore keep working without exposing contents to the storage provider.
When both sides of a two-way job have changed the same file, the software applies a defined rule and keeps the version it overwrites. Files are verified by MD5 checksum or full comparison, so a completed job is genuinely identical.
Include and exclude filters limit a job by name pattern, size, or modification time, parallel threads speed up transfers involving many small files, and a bandwidth cap keeps the job from crowding out other traffic during working hours.
GoodSync Connect, an account-based service, registers each machine on your account and opens a direct connection between them, so two computers can synchronize over the internet without a shared drive or a third-party cloud in the middle. Explorer apps browse the same locations.
Browse historical releases and previous builds.
Common questions about GoodSync.
It is file backup and synchronization software that pairs folders across local disks, network shares, servers, NAS devices, and cloud accounts. Jobs run in one direction for backup or in both directions for synchronization.
In GoodSync, a backup copies changes from the source to the destination only, leaving the source untouched. A two-way synchronization compares both sides and updates whichever is older, which keeps two working copies identical.
Yes. GoodSync can run as a service, so scheduled, periodic, and real-time jobs continue on a server or NAS whether or not a user is signed in, and reports are written to the log for later review.
Version history can be enabled for a job, storing one or several previous copies of each changed file. That allows a mistaken overwrite or an attack such as ransomware to be undone without restoring an entire backup set.
AES-256 encryption can be applied to files in transit and at rest, so cloud destinations store data that cannot be read without the key. Some transfer protocols, such as SFTP, add their own transport encryption on top.
Because GoodSync compares both sides first, transfers only changed blocks, handles renamed and open files, and resolves conflicts in a defined way. A plain copy has to be re-run in full and offers none of that protection.
GoodSync is file synchronization and backup software for desktops, servers, and NAS devices. It runs one-way backups or two-way syncs between local folders, network shares, FTP and SFTP servers, and cloud accounts, with scheduling, version history, and AES-256 encryption.
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