What is a filler word?
Any word that occupies space in a sentence without changing its meaning. Remove it, read the line again, and if nothing is lost the word was filler. Hedges, redundant intensifiers and filter verbs make up the bulk of them in book-length prose.
What counts as a good filler density?
Under about fifteen flagged words per thousand is comfortable for most published fiction. Above twenty-five the padding starts to blunt individual sentences. Treat these as rough guides, because heavy dialogue and first-person voice both legitimately raise the figure.
Why are filter words such a problem in fiction?
They interrupt point of view. When you write she heard the gate creak, the reader processes the act of hearing rather than the creak. Removing the filter puts the reader inside the character's senses instead of watching from outside them.
Should I delete every word this tool flags?
Definitely not, and doing so would flatten your voice. The list is a map of where to look. Read each highlighted sentence aloud, and keep the word whenever the rhythm or the meaning genuinely needs it.
Does this replace an editor?
No. A line editor works on rhythm, clarity, character voice and the shape of a paragraph, none of which can be counted. This tool handles the mechanical pass so that your editing time and budget go towards judgement rather than word spotting.
Why does the tool flag words inside my dialogue?
The scan is mechanical and cannot tell narration from speech. Real people hedge and qualify constantly, so highlights inside quotation marks are often exactly right. Focus your cuts on the narrative passages between the dialogue.
Are adverbs always bad?
No, that advice is repeated far more confidently than it deserves. The problem is not adverbs generally but adverbs propping up vague verbs. Ran quickly is weak because ran is doing too little work, whereas an adverb that adds genuinely new information is fine.
How often should I run this check?
Once at the end of a full draft, then again after your line edit to confirm the pass worked. Running it while drafting is counterproductive, because self-editing mid-sentence is one of the surest ways to stall a first draft.