Choose the operating system first. PDF24 Creator is a Windows toolkit; Sejda Desktop Free also supports macOS and Linux. For an existing paragraph change, adding a text overlay is insufficient, so read the editing cell rather than assuming every PDF toolkit can perform that job. Sejda’s free plan also has daily task and document limits. Those limits may matter more than the zero purchase price for a batch of files. Try the same document, save under a new name, and reopen it in another viewer. The completed PDF24 Online redaction result does not apply to PDF24 Creator in this comparison.
Vendor sources and our tests are labelled separately. Independent tests that have not been run are not implied.
Vendor documentation is shown below. Independent tests are pending. Totals show known charges in each product’s currency; no currency conversion, tax or future price increase is assumed. List charges exclude volume discounts.
PD
PDF24
Creator
PlatformWindows
Purchase basisFreePrice checked: 12 Sept 2026
Known 1-year cost · 1 person$0.00Tax excluded. Free software; no paid upgrade is included in this estimate.
Edit existing textNot supportedOfficial source · 12 Sept 2026Adds new text and drawings. The documented workaround for changing existing text is conversion to Word, editing there, then converting back.
Read scanned text (OCR)Available · official sourceOfficial source · 12 Sept 2026OCR uses Tesseract; download required language packs before disconnected use.
Create fillable formsAvailable · official sourceOfficial source · 12 Sept 2026The form-creation FAQ explicitly lists an offline alternative in PDF24 Creator for Windows; use the current Toolbox, not legacy Creator 9.
Fill existing formsNot established
Annotate & signAvailable · official sourceOfficial source · 12 Sept 2026New text, drawing and image annotations are documented; signature tools are also listed in the PDF24 tool collection.
Merge & organize pagesAvailable · official sourceOfficial source · 12 Sept 2026Creator lists merge, split and page organization tools.
Permanently redact textTool documented · outcome test neededOfficial source · 12 Sept 2026The vendor offers a redaction tool. We have not extracted text or objects from its output to establish permanent removal.
Offline core taskLocal core task documented · task test pending
Adding text is not the same as reliably editing existing paragraph text.
Known 1-year cost · 1 person$0.00Tax excluded. Future upgrades and optional maintenance are not included unless stated.
Edit existing textAvailable · official sourceOfficial source · 12 Sept 2026Existing PDF text editing is documented; scanned-image text must first be recognized.
Read scanned text (OCR)Available with limitsOfficial source · 12 Sept 2026Free OCR is limited to 10 pages; the edition also allows only three tasks per day.
Create fillable formsAvailable · official sourceOfficial source · 12 Sept 2026Creates form fields; the source links the offline Desktop workflow. Free daily and document limits still apply.
Fill existing formsNot established
Annotate & signAvailable · official sourceOfficial source · 12 Sept 2026Highlights, shapes and typed, drawn or uploaded signatures are documented.
Merge & organize pagesAvailable with limitsOfficial source · 12 Sept 2026Free merge is limited to 30 files and 50 pages, within three tasks per day.
Permanently redact textSource reviewed · not establishedOfficial source · 12 Sept 2026Whiteout is documented. Concealing a region does not establish permanent removal of underlying text; extraction testing is outstanding.
Offline core taskLocal core task documented · task test pending
Three tasks per day; OCR up to 10 pages; other document limits apply.
PDF24 Creator is the Windows desktop edition in this comparison. Sejda Desktop Free lists Windows, macOS and Linux. These records do not establish that either app has passed an independent test on your particular OS build.
Check the difference between adding and editing text
The PDF24 record does not treat adding text as proof of reliable existing-paragraph editing. Sejda Desktop Free documents editing with usage limits. Test your file and the number of tasks you need before deciding that a free edition covers the workflow.