Thriller, crime, suspense — the workshop that holds the investigation to the last page.
Three-act suspense architecture, detective board for clues and suspects, parallel timeline (actual vs reader-perceived), AI that keeps the killer consistent across 400 pages, publisher-spec DOCX export. The thriller writing software serious authors deserved.
Structure
Narrative plan in three acts with turning point, fuse, ticking clock, false ending.
A thriller stands on its suspense architecture — not on the prose.
Thrillers turn on a few pivots: the opening hook (a body, a disappearance, a threat), the midpoint turn (your detective realises she chased the wrong lead), the false ending, the final reveal. Place these pivots before you draft — Extypis walks you through them step by step.
From the first body to the final reveal.
Catch the idea, build the victim and suspects, place the pivots, hold the timeline, plant the clues, get a second read — without losing the killer along the way.
Thriller manuscripts don't die for lack of an idea.
The crime fits in three lines. The killer, though, has to hold 400 pages — and that's where the author burns out plugging coherence leaks.
Three promises, atop a stack of features.
Hold the suspense architecture, keep the killer coherent from chapter 1 to chapter 80, ship a manuscript ready to go to a serious crime publisher.
The project holds as the case thickens.
Narrative plan with suspense pivots, non-linear writing to reorder chapters, dedicated suspect sheets, parallel timeline. You write, the project follows.
An AI that holds coherence — never writes for you.
The AI reads your suspect sheets, your timeline, your clues. It continues in your voice, flags contradictions, checks alibis. The pen stays yours.
From finished manuscript to publisher — no patch-up job.
Publisher-spec DOCX for Mulholland or Soho Crime, EPUB for beta readers and contests, book-quality PDF for self-publishing. Title page, ISBN, contact.
Give your project a real reading address.
Once the text is ready, you don't have to leave Extypis to find your first readers. Publish in one click on the public catalog and give your book a clean, readable, shareable page.
Published directly on Extypis — no fees, no middleman.
Publishing opens a dedicated page for your project: cover, title page, chapters, table of contents. The content is frozen at publication, so your readers always see a stable version while you keep working. You decide when to push a new version.
A reading page for each project
Customizable URL, title page, cover, table of contents and chapter-by-chapter navigation.
A catalog that helps readers find your book
Your project can appear in the public catalog, categories, subcategories and trending page — or stay accessible only through the direct link.
Readers who can actually react
Readers can comment chapter by chapter, mention a specific paragraph, and you get notified for every feedback.
A stable version without breaking your work
The text is frozen at publication time. You keep writing on your side, then decide when to push an update.
Everything Extypis unlocks for you
Hold your story, from outline to final page.
Narrative tools you won't find elsewhere — turn a tangle of ideas into a structure that holds.
AI that suggests, never replaces
The AI permanently sees your whole project — outline, sheets, scenes already written. Every rewrite, every completion, every suggestion, every cover stays consistent with your entire work, and at no extra cost or setup. You approve every word.
Estimates if you only use this feature. Credits are shared across every AI tool.
Daily writing comfort
Everything that makes long-form writing sustainable: shortcuts, templates, anchored notes, versions, goals.
Ship a book, not a file.
From manuscript to finished book: professional exports, academic citations, direct publishing.
Analyse and refine your prose
Style tools that go beyond the spell-checker: readability, poetic meter, repetitions, connectors, passive voice.
Lifetime updates
Every future Extypis innovation included, no extra cost, no paywall.
Backing an indie project
Extypis is an independent, self-funded project — no ads, no venture capital.
Human support
Got a question? You talk directly to the creator, never a chatbot.
Free to begin, even to finish. Serious when you need to go deeper.
The investigation and the writing are entirely yours. The subscription gives you a rigorous co-pilot, an occasional co-author, and an objective reader who lets nothing slip.
Frequent questions, plain answers (still friendly).
Does Extypis support a parallel timeline (actual vs reader-perceived) for thriller writing ?
Yes — it's one of our strongest use cases. Hold two threads in parallel: the real chronology of facts (who did what, when) via Event sheets, and the chronology the reader rebuilds via the storyboard and ordered chapters. At key chapters, compare both to verify the reader has just enough to suspect — without guessing too soon. The AI can compare two scenes and flag when the reader's perception drifts too quickly toward the right killer.
How does Extypis handle red herrings without cheating the reader ?
Each suspect has a dedicated sheet with motive, alibi, opportunity, and presence chronology. You see at a glance when each false lead is introduced, when it's defused, and where it's still alive in the reader's perception. The golden rule of crime fiction — every red herring must be plausible and cleanly defused — becomes visible before beta reading, not after.
How do I check the consistency of clues and alibis across 400 pages ?
The AI narrative consistency check sweeps your whole project (chapters, suspect sheets, events, locations, objects) and flags factual contradictions — an alibi that slips an hour between chapter 7 and chapter 14, a weapon whose calibre changes, a witness forgotten 12 chapters ago who reappears with another version. What a human editor would take hours to do by hand: the AI does it in 30 seconds.
Can I keep my forensic, ballistic and procedural research inside Extypis ?
Yes — everything lives in the project. Location sheets (with photos, plans, geographic descriptions), Event sheets (investigation chronology, hour-by-hour breakdown), Object sheets (weapons, evidence, exhibits), Conflict sheets (leads, hypotheses), Theme sheets (corruption, trauma, revenge). You can also attach research PDFs (forensic reports, plans, location photos) directly. @mention in the text to recall anything without leaving the editor.
Is the AI going to write my thriller for me ?
No. Extypis's AI proposes, never replaces. It continues a sentence in your voice, rewrites a passage, flags an alibi contradiction, suggests three variants for an interrogation scene — the author validates each word, or refuses. And if you write entirely without AI, the app remains fully functional; AI tools are an option, not a requirement.
Can I export my manuscript to Mulholland, Soho Crime or Penguin Crime specs ?
Yes — the DOCX export follows industry-standard formatting: 12pt font, double-spaced, title page with contact, standard margins. Submit as-is to Mulholland Books, Soho Crime, Penguin Crime, Mysterious Press, Bitter Lemon Press. EPUB for beta readers and contests. Book-quality PDF if you self-publish while waiting on the editor's reply.
What does « Extypis » mean ?
« Ex typis » is a Latin formula that appeared on the frontispieces of printed books from the 16th to 18th centuries, right before the printer's name — literally « from the presses of… ». The word derives from the Greek τύπος (typos): imprint, model, mark left behind. That's exactly the lineage we claim: a digital workshop that prepares your manuscripts in the great European typographic tradition, until they're worthy of being printed.
I built the writing app I'd always wished for.
Having finished a novel after several attempts, and built up years of poetry — kept right here, on Extypis — I saw firsthand how many writing blocks are really method problems, easy to move past once you give yourself the right tools. Technique doesn't replace imagination — it carries it. If you write thrillers seriously, Extypis is for you too.