3-Heights PDF Analysis & Repair Tool

APIyesOSS—FREE—DOCS5/5
3H6.8#2 of 37
—WeboutWindowsoutMacoutLinux—Android—iOS

Ranked in PDF Compression Software ·Free trial

About

3-Heights PDF Analysis & Repair Tool analyzes damaged PDF documents and attempts to repair or recover their content. It can inspect objects, page trees, and content streams, then report error types, codes, descriptions, page numbers, and event counts, with messages written to a log file. Repair options include restoring data streams, fonts, cross-reference tables, pages, and images; recovery can rebuild a PDF from legible content that remains. It reads encrypted PDFs and can encrypt restored files with permission flags. Supported inputs include PDF 1.x, PDF 2.0, and PDF/A-1, PDF/A-2, and PDF/A-3; output is PDF 1.x or PDF 2.0. The vendor documents Shell command-line and API variants, with Windows, Linux, and macOS support. Repair is local, and batch repair is supported. Pricing is on request, with a 30-day trial. The evaluation version can analyze files but disables Save As, so repaired or recovered documents cannot be saved or viewed without the full version.

Who it is for

The tool suits teams that need local PDF analysis and repair through command-line or API workflows. It may fit environments handling encrypted PDFs or PDF/A inputs.

What is good

  • Analyzes objects, page trees, and content streams.
  • Repair options include fonts, pages, and images.
  • Reads encrypted PDFs and applies permission flags.
  • Supports batch repair and local delivery.
  • API variants are documented for Linux and macOS.

What to know first

  • Pricing is on request.
  • Evaluation disables saving repaired or recovered PDFs.
  • Not every corrupt PDF can be repaired.
  • Some image compression methods cannot be recovered.

Inferse review

3-Heights PDF Analysis & Repair Tool: the full review

This is a specialized local tool for inspecting, repairing, and recovering PDF content, with command-line and API options. Its evaluation restriction and stated recovery limits are important constraints; release 6.27 is listed for support through the end of 2027.

Overview

3-Heights PDF Analysis & Repair Tool examines damaged PDFs and can attempt to restore their contents, either through a Shell command-line tool or an API. It suits teams that need local, programmable PDF recovery across Windows, Linux, or macOS and can work with a paid, evaluation-limited product.

Its breadth of inspection and repair options makes it a focused choice for document-recovery workflows, but the evaluation version cannot save repaired files, and recovery is not guaranteed.

Key features

Analysis reaches into PDF objects, page trees, and content streams, then reports error types, codes, descriptions, page numbers, and event counts; messages can also go to a log file. That detail is useful when a team needs to diagnose failures or feed document checks into an existing process, rather than merely attempt a one-click fix.

Repair options cover data streams, fonts, cross-reference tables, pages, and images. When ordinary restoration is not possible, recovery can rebuild a PDF from remaining legible content. These options give the tool meaningful range, though they do not overcome every corruption case: some image compression methods cannot be recovered, and the vendor makes no guarantee that a file can be repaired or recovered.

It can read encrypted PDFs and encrypt restored files with permission flags. Inputs include PDF 1.x, PDF 2.0, and PDF/A-1, PDF/A-2, and PDF/A-3; output is PDF 1.x or PDF 2.0. The manual cites conformance with ISO 32000-1 and ISO 32000-2, a useful fit for workflows that handle those PDF standards.

Shell and API variants support integration and batch repair. The product is a local repair tool, not an offline desktop app: its documented interfaces and deployment choices matter more to teams building repeatable processes than to individual users seeking a standalone desktop workflow.

Pricing

Pricing is on request, and a 30-day trial is available; there is no free plan. The trial can establish whether the tool analyzes a team's files, but it cannot validate saved output: evaluation disables Save As, so repaired or recovered PDFs cannot be saved or viewed without the full version. Teams should account for that constraint when assessing a recovery workflow and request pricing before committing.

The vendor's development team supports customers from evaluation through implementation. PDF Analysis & Repair is no longer available as a service, though service documentation remains for existing customers, so it is a software purchase rather than a current service option.

Platforms

The Shell manual supports 64-bit Windows Client 7 or later and Windows Server 2008 through 2022, for x86 and x64. API deployment is documented for Linux and macOS, including Linux shared-library installation and a macOS library file. This split gives cross-platform teams an API path, while Windows users also have the documented Shell interface.

PDF Tools AG, which operates as Pdftools, was founded in 2002 and is based in Zurich, Switzerland; the company says its development is conducted in-house, primarily there. Release 6.27 is listed for support through the end of 2027. The vendor describes its products as specialized tools, many maintained for existing customers as functionality gradually moves into newer products, a lifecycle consideration for teams choosing a long-lived dependency.

Who it's for

This is best suited to engineering and document operations teams that need to inspect and batch-repair PDFs locally, integrate recovery through an API or Shell workflow, and handle encrypted files or PDF/A inputs. Its detailed error reporting can help teams distinguish malformed structures from content that remains recoverable.

It is a weaker fit for buyers who need a free repair path, a trial that proves saved recovery results, guaranteed restoration, or an active PDF-repair service. Teams seeking a standalone offline desktop application should also look elsewhere.

Pros and cons

Pros

  • Broad diagnostic coverage: object, page-tree, and content-stream analysis plus page-specific error reporting helps pinpoint structural problems.
  • Multiple recovery paths: it can restore several PDF structures and attempt reconstruction from legible content, which is more useful than a narrow single-fix workflow.
  • Integration options: Shell and API variants, batch repair, and Linux, macOS, and Windows support suit teams automating local document handling.
  • Standards and encryption support: PDF 1.x, PDF 2.0, PDF/A inputs, and encrypted-file handling cover common archival and protected-document needs.

Cons

  • The evaluation is constrained: disabling Save As prevents teams from saving or viewing repaired output before buying.
  • Recovery has hard limits: some image compression methods cannot be recovered, and not every corrupt file can be repaired.
  • Commercial fit requires a quote: custom pricing and the absence of a free plan make budget comparison less direct.
  • Product lifecycle needs attention: the 6.27 release has support through the end of 2027, while the vendor says functionality is gradually being integrated into newer products.

Alternatives

PDF Repair Toolbox is the closer alternative for readers who want a PDF-specific option with web and Windows platforms and published one-time license prices: Personal License is 25.00 USD per once for noncommercial personal use, while Business License is 39.00 USD per once for enterprise, commercial, and governmental use. Choose 3-Heights when API or Shell integration and detailed structural analysis are priorities.

IntactFile is worth considering for readers who want a freemium repair service spanning APIs, desktop platforms, and web. Its free plan allows three repairs a day and sets file-size limits by media type; 3-Heights is the more focused choice for PDF analysis and local batch workflows.

Remo Repair Word targets .doc and .docx files on Windows, so it is the relevant pick for Word-document repair rather than PDF recovery.

Fix.Video is for video repair on macOS, web, and Windows, with paid file-repair plans; it does not serve the PDF-recovery use case.

DataNumen Archive Repair is a Windows archive-repair option, with a 1 user license priced at 199.95 USD per once.

Kernel Video Repair is a video-repair alternative for macOS and Windows, with a 29.00 USD per once home license for two computers.

lzip is a free option for archive compression and repair across Linux, macOS, self-hosted, and Windows environments.

Restore.Media offers paid automatic media recovery across mobile, desktop, and web platforms, with per-file pricing that varies by repaired file size.

For broader browsing, see File Repair Software or PDF Compression Software.

Verdict

Choose 3-Heights PDF Analysis & Repair Tool if your team needs an integrable, local PDF recovery tool with detailed diagnostics, batch capability, and support for protected and archival-format documents. Its combination of structural analysis and several repair paths is the main reason to choose it. Look elsewhere if you need to prove repair results in a trial, require guaranteed recovery, want an offline desktop app, or need a current repair service.

Compared on PDF compression software

Free plan
Nopdf-tools.com
Repair categories
PDF documentspdf-tools.com
Batch repair
Yespdf-tools.com
Supported platforms
Windows, Linux, macOSpdf-tools.com
Repair delivery
localpdf-tools.com

Facts

Purpose
The tool analyzes, repairs, and restores content from corrupt PDF documents.pdf-tools.com · 7 Oct 2026
Analysis
It can analyze objects, page trees, and content streams, and report errors with descriptions and page numbers.pdf-tools.com · 7 Oct 2026
Repair and recovery
Options include restoring data streams, fonts, cross-reference tables, pages, and images; recovery can recreate a PDF from remaining legible content.pdf-tools.com · 7 Oct 2026
Encrypted files
The tool can read encrypted PDFs and encrypt restored files with permission flags.pdf-tools.com · 7 Oct 2026
Formats and standards
It supports PDF 1.x, PDF 2.0, and PDF/A-1, PDF/A-2, and PDF/A-3 as inputs, and cites ISO 32000-1 and ISO 32000-2 conformance.pdf-tools.com · 7 Oct 2026
Interfaces
The vendor documents Shell command-line and API variants for checking and fixing PDFs.pdf-tools.com · 7 Oct 2026
Windows support
The desktop tool supports 64-bit Windows Client 7+ and listed Windows Server versions from 2008 through 2022.pdf-tools.com · 7 Oct 2026
Evaluation limit
The evaluation version can analyze files but disables Save As, so repaired or recovered PDFs cannot be saved or viewed without the full version.pdf-tools.com · 7 Oct 2026
Repair limits
The vendor does not guarantee every corrupt PDF can be repaired or recovered, and some image compression methods cannot be recovered.pdf-tools.com · 7 Oct 2026
Support lifecycle
The 6.27 release is listed for support through the end of 2027.pdf-tools.com · 7 Oct 2026
Service availability
The vendor says PDF Analysis & Repair is no longer available as a service, with service documentation retained for existing customers.pdf-tools.com · 7 Oct 2026
Support
Pdftools says its development team supports customers from evaluation through implementation.pdf-tools.com · 7 Oct 2026
Company origin
Pdftools describes itself as a Swiss provider whose development activities are conducted in-house, primarily in Zurich.pdf-tools.com · 7 Oct 2026
Repair options
Repair options include restoring data streams, fonts, cross-reference tables, pages, and images.pdf-tools.com · 7 Oct 2026
Error reporting
It can report error type, code, description, page number, and event count, and write messages to a log file.pdf-tools.com · 7 Oct 2026
Encrypted PDFs
The tool can read encrypted PDFs and encrypt restored files with permission flags.pdf-tools.com · 7 Oct 2026
Supported formats
It accepts PDF 1.x, PDF 2.0, and PDF/A-1, PDF/A-2, and PDF/A-3 files, and outputs PDF 1.x or PDF 2.0.pdf-tools.com · 7 Oct 2026
Shell platform
The Shell manual lists Windows Client 7 or later and Windows Server 2008 through 2022, for x86 and x64.pdf-tools.com · 7 Oct 2026
API platforms
The API manual documents Linux and macOS deployment, including Linux shared-library installation and a macOS library file.pdf-tools.com · 7 Oct 2026
Standards
The manual lists ISO 32000-1 (PDF 1.7) and ISO 32000-2 (PDF 2.0) conformance.pdf-tools.com · 7 Oct 2026
Product status
Pdftools describes 3-Heights products as specialized tools and says many are maintained for existing customers while functionality is gradually integrated into newer products.pdf-tools.com · 7 Oct 2026
Company
PDF Tools AG was founded in 2002 and lists its address in Zurich, Switzerland.pdf-tools.com · 7 Oct 2026

Company

Founded
2002pdf-tools.com · 28 Sept 2026
Headquarters
Zurich, Switzerlandpdf-tools.com · 28 Sept 2026

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