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Compare reference websites by purpose and evidence

Compare up to three directory records: purpose, publisher, documented facts, sources and review dates. Choose a starting point without an invented score.

Prepare your comparison

First decide what you need: a primary document, an explanation, a dataset or a service. Two resources on the same subject can serve different purposes. Start with a subject to narrow the choice, then select two or three records.

Compare the documented information

Missing information remains unspecified. Review dates belong to the original records; displaying this table does not recheck the resources.

Selected resources: purpose, evidence and destinations
CriterionGIMPLibreOfficeVLC media player
Purpose Free image editing software with official downloads, documentation and version information. Free office suite for documents, spreadsheets and presentations. Free media player supporting many audio and video formats.
Publisher Équipe GIMP The Document Foundation VideoLAN
Origin International International France
Subject Digital tools Digital tools Digital tools
Documented facts and added evidence
  • Compatibility : Check the stated system, architecture and requirements.
  • Integrity : Compare the published hash with the exact file when performing this check.
  • Documentation : The manual is available separately; an old screenshot may show another version.
  • Working file : Keep the XCF project to retain layers and continue editing. Export a separate copy in the format needed for distribution.
  • Output check : Reopen the exported copy and check transparency, dimensions and text sharpness against its intended use.
  • XCF project : XCF preserves project information except undo history.
    Source: GIMP manual — Save and export · consulted on
  • Image export : Export creates another format without changing the project itself.
    Source: GIMP manual — Save and export · consulted on
  • Component : Choose the tool for the intended document.
  • Exchange : Test a copy in the recipient’s required format.
  • Review : Inspect layout, formulas or notes after import and export.
  • CSV import : Check the separator and character encoding in the preview; a whole row appearing in one column calls for different import settings.
  • CSV export : Only the current sheet is exported. Also retain the working spreadsheet to keep other sheets and formatting.
  • Number language : The import language affects number interpretation. Correct character encoding alone does not preserve values using a different decimal separator.
    Source: LibreOffice — Text Import · consulted on
  • Quoted fields : “Format quoted field as text” imports fully quoted fields as text. Inspect the preview and column type before confirming codes or identifiers.
    Source: LibreOffice — Text Import · consulted on
  • PDF export range : The PageRange parameter limits exported pages.
    Source: LibreOffice Help — PDF export parameters · consulted on
  • Source embedded in PDF : IsAddStream can embed the source document in the PDF.
    Source: LibreOffice Help — PDF export parameters · consulted on
  • Origin : Reach downloads through the VideoLAN project.
  • Test : Compare a known working file and the problematic file.
  • Settings : Inspect audio track, subtitles and timing without unnecessarily transforming the original.
  • Container and codecs : Files sharing an extension can use different codecs.
    Source: VideoLAN — Transcoding a file · consulted on
  • Codec information : VLC can display codecs while a file is playing.
    Source: VideoLAN — Transcoding a file · consulted on
Initial profile sources
Documentation consulted 2026-10-25
Added details: 2026-10-10 		2026-10-25
Added details: 2026-10-29 		2026-10-01
Added details: 2026-10-10
Official destination gimp.org ↗ fr.libreoffice.org ↗ videolan.org ↗
Reading exercise and documented fields No additional reading exercise for this record. Check what a CSV retains
  • Import : Choose separators and column formats in the preview.
  • Sheets : Only the current sheet is exported.
  • Presentation : Workbook formatting is not retained.
  • Reused settings : Without opening filter options, Calc may reuse the settings of the previous text import.
  • Comma inside a field : A text delimiter can keep that content within one cell. Check the preview before accepting.
Read the source and worked example 		No additional reading exercise for this record.

Turn the comparison into a useful choice

  1. Read the purpose: choose the resource that supplies the missing document or action.
  2. Check the publisher and source: an explanatory page does not replace an original dataset or formal procedure.
  3. Open the record, then consult the destination for current conditions and applicable dates.
  4. Record the evidence supporting your choice and the uncertainty that remains.

Different review dates do not prove that one website is better. The table does not measure service availability, accessibility, privacy, prices or reliability and does not rank the resources.

· Read the data provenance