Hemingway App
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A browser-based editor that highlights dense sentences, passive voice, adverbs and complex words, and scores readability by grade level. Using it, a writer can spot and rewrite the specific constructions that make prose hard to follow.
More resources on Editing & Proofreading
No Film School
Editing section of the independent filmmaking publication, mixing craft articles with interviews of working feature and television editors. Useful for seeing how professionals structure scenes and make cutting decisions, rather than for step-by-step software instruction.
DaVinci Resolve Official Training
Master color-grading in DaVinci Resolve with this official training course. Learn professional techniques from the source!
Editing Mastery: How to Edit Writing Like a Pro
Master editing & proofreading! Learn pro techniques to polish your writing with Ellen Brock's Editing Mastery course.
Reedsy Learning
Catalog of short courses from editors, publicists and authors who work in publishing, delivered as free ten-day email lessons or paid video series. Covers novel planning, self-editing, querying agents, and marketing a finished manuscript.
The Chicago Manual of Style
The standard American reference for book and journal publishing, covering manuscript preparation, grammar and usage, punctuation, tables, indexes, and both notes-bibliography and author-date citation. Editors use it to settle style questions consistently rather than by instinct.
The Copyeditor’s Handbook
A working manual of copyediting for nonfiction and trade publishing: mechanical editing of spelling, punctuation and capitalization, plus language editing, querying authors, and handling tables and citations. Includes exercises with answer keys so you can test your judgment.