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TECH
CorroboratedⓘEvidence tiers: Early signal = 1 uncorroborated request — treat as radar, not a validated opportunity · Corroborated = 2-3 requests · Validated = 4+ requests from 2+ different people. Every count appears exactly once, in the fact bar below — each traces to a real source post.
PDF to EPUB Academic Converter
In their words
"Say, if I have an EPUB file and I want to edit its content" — a builder, verbatim · sign in free to trace the source ↗
What they tried & dropped
Extracted word-for-word from the evidence posts below — every item is quoted verbatim from a real builder.
Hard requirements
Non-negotiables stated by builders in their own words. Miss one and they will not switch.
nice-looking EPUB, ready to be read on a 6" screen
Competitor pricing
Named rivals & real prices 🔒
Rivals charge $2/mo · names — log in ↗
Open-source check · GitHub · 2026-09-05
⚠️ Established open-source player: enderonat/Academical-Paper-Converter-To-Epub ⭐78 — Convert multi-column academic PDFs into clean, reflowable EPUBs for e-readers — layout-aware, with figures and equations
Competitor adoption · official registry · 2026-09-10
CloudConvert: 96,692 npm downloads/week ↗
How we checked
Where we searched
2 sources · GitHub (open-source check) · SaaS marketplaces
Verification funnel
22 raw matches scanned, then AI-de-duped · see the breakdown below
Last scan
6d ago · auto-refreshed every 10 days
Sign in to see the full opportunity
Every source post · named rivals with real prices · what builders tried & dropped · quantified pain — all traceable to the original posts
Sign up free →Signal history
3 tracked posts (3 asks · 0 product/news)
first post May 2026
▲ 1 in the last 30 days
Cumulative tracked posts (asks + products + news) by original post date · GapMine tracked communities — not search volume · every step traces to a real post in the evidence record (sign in to read them).
Evidence pool
3 source posts on record — each insight links back to a real one.
3 reddit