PostgreSQL Data Recovery Tool

PostgreSQLDataUnloader

Data unrecoverable?Recover it now!
Too many PostgreSQL major versions?PostgreSQL 10-18 supported!
Commercial tools too expensive?Open-source project!

Expert-level data recovery capabilities, Accessible to all with no training required, Free and Open-source for every PostgreSQL user.

What is PDU

PostgreSQL Data Unloader (PDU) is an open-source recovery companion that keeps working even when PostgreSQL itself cannot.

Built for recovery
All kinds of PostgreSQL data recovery scenarios, solved in one tool.
Core capabilities

Open-source, no PostgreSQL build dependency

Ships without relying on a PostgreSQL server build, staying lightweight in the recovery ecosystem.

Extract directly from data files

Pull data straight from raw data files with zero downtime or server startup.

Acquire full catalog when the DB cannot start

Reconstruct complete database dictionary structures even if the instance will not open.

Undo mistakes from WAL

Recover data that was deleted or updated by mistake by replaying WAL archives selectively.

Scan disk to restore dropped tables

Sweep fragments on disks to recover tables dropped or truncated without backups.

Real Recovery Cases

From Real PostgreSQL Recovery Incidents

Selected customer recovery records covering accidental deletion, unwanted updates, truncated tables, and damaged data files.

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DROP DATABASE

PG18 DROP DATABASE Recovery

Preserved remaining disk pages within one hour and recovered all 24 requested core tables after an accidental DROP DATABASE.

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1.5TB

1.5TB PostGIS Catalog Recovery

Recovered an unbootable PostGIS database after catalog damage caused by disk bad blocks.

Read case
RANSOMWARE

Core Table Recovery After Ransomware

Recovered 3 of 4 core tables by matching known schemas against surviving file regions after ransomware encryption.

Read case

Why Choose PDU?

Professional-grade PostgreSQL data recovery with cutting-edge technology

Instant Recovery

Recover faster than PITR and restore deleted data immediately even without backups.

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WAL-Based Recovery

Recover deleted or updated data from archived WAL files with time range and transaction filtering.

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Safe & Non-destructive

Read-only operations ensure your original data files remain completely untouched.

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Fragment Scanning

Recover dropped or truncated tables through advanced fragment scanning technology.

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PostgreSQL 10-18

Version-specific executables for PostgreSQL 10 through 18 with full compatibility.

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Lower Learning Curve

Simple interactive CLI commands with lower learning cost.

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What PDU Brings

More than a tool — a paradigm shift in data recovery

01

Expert-Level Recovery

Data recovery that previously required deep PostgreSQL kernel expertise is now accessible to beginners through PDU.

02

Ultimate Fallback Capability

The ultimate safety net for PostgreSQL DBAs — recover data confidently even when no viable backups exist.

03

A Shift in Recovery Thinking

PDU makes instant recovery a practical idea: many scenarios once considered hard or impossible can now be recovered immediately.

Enterprise-Grade Recovery

Minimize Downtime
Maximize Recovery

When disaster strikes, every minute counts. PDU delivers your data back with speed and precision, minimizing business impact.

  • 01
    Recover data without expensive professional services
  • 02
    Reduce recovery time from days to hours
  • 03
    Maintain full control over sensitive data
  • 04
    Save costs vs traditional recovery solutions
99.8%
Average Data Recovery Rate
10x
Faster Recovery
100%
Non-destructive
PG 10-18
Open Source

Ready to Recover Your Data?

Get started with PDU today and protect your PostgreSQL databases from data loss.

View DocumentationView on GitHub