Fonts and formatting
Why do words run together after I edit a PDF?
Updated 2026-09-17 · 2 min read
The space between words in a PDF is frequently not a character at all — it is a horizontal move instruction.
An editor that writes a literal space into a font with no space glyph produces text that visibly joins up.
PDFfont edits PDF text in the document's own embedded font — no white cover boxes.
Edit a PDFWhat correct handling looks like
Replacement text should separate visible glyphs from whitespace, encode the glyphs in the document font and express every gap as positioning. Spacing then matches on the first edit and every edit after it.
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