FileZilla

filezilla-project.org ↗

Cross-platform server transfers with FTP, FTPS and SFTP

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SI Score: 80/100
Pricing: Open Source AI reading, not confirmed
Free plan: Not confirmed
Sign-up required: Not confirmed

ftp sftp desktop-transfer

Ask SI about FileZilla

Answers use saved listing facts and recorded sources.

What it does

FileZilla is a desktop transfer client with multiple server tabs, local-and-remote file comparison and remote editing.

FileZilla puts local and remote files into a desktop transfer workflow for FTP, FTPS and SFTP servers, with comparison, remote editing and multiple server tabs. Decide how existing destination files should be treated before repeating a delivery. The shared FileZilla/FileZilla Pro documentation offers overwrite, newer-file or size-based replacement, resume, rename and skip, with separate upload and download defaults and queue-level overrides. Newer-file comparisons require aligned timestamps or a configured server time offset. The open-source client supports Windows, macOS and Linux; the server still supplies its own access permissions.

Strengths

Cross-platform client with comparison and multiple server tabs

Sources

FileZilla® download | SourceForge.net (Oct 26, 2026)
How to Change Default File Exists Behaviour (Oct 26, 2026)

SI Score

80/100

#1 in File Transfer

Based on published information. No hands-on task test.

Method 2.0 · Published source review Assessed Oct 26, 2026Score ceiling for this evidence: 84/100.

Product usefulness 80

Evidence

Official project and shared client documentation explain local/server transfers, comparison, queue actions and precise overwrite/time prerequisites.

Limits: AI review of saved source passages. No hands-on test, human approval or automatic-provider checker receipt.

Source links and check dates are in Sources and checks below.

Separate website checks

These checks do not add points to the SI Score. They inspect the website's HTML, not the product in use.

Basic website checksunknown

No check recorded.

HTML accessibility checksunknown

No check recorded.

Homepage HTML responseunknown

No check recorded.

Trackers in homepage HTMLunknown

No check recorded.

Page date hintsunknown

No check recorded.

Policy links do not verify a company's conduct. An HTML response time is not application speed. Tracker and accessibility checks miss behavior after page load. Copyright dates do not prove product upkeep.

How the SI Score works →

Unconfirmed details may be unassessed, absent from the pages checked or temporarily unreadable. A missing price does not mean the service is free.

Sources and checks

Supporting pages for product usefulness, site facts, prices and separate website checks. Each record keeps its own date. Reading a page does not establish how well the product performs in use.

sourceforge.net/projects/filezilla/
- PricingAI reading, not confirmedChecked Oct 26, 2026
  The official SourceForge project lists GPLv2 licensing.
- PlatformsAI reading, not confirmedChecked Oct 26, 2026
  The official page lists these supported platforms.
- Open sourceAI reading, not confirmedChecked Oct 26, 2026
  The official SourceForge project lists GNU GPL version 2 and links its source code.
- Product usefulness evidenceChecked Oct 26, 2026
filezillapro.com/docs/v3/advanced/change-default-file-exists-behaviour/
- Product usefulness evidenceChecked Oct 26, 2026

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