A workshop for small products
Small products, tested in public.
One at a time.
Our products
AstrologyLive
SyncChart
syncchart.clioos.com
Compatibility reports calculated from both real birth charts. Pay once, not forever.
Open SyncChart ↗
SEO toolsLive
IndexRocket
indexrocket.clioos.com
Bulk IndexNow submission, with a receipt for every URL you push.
Open IndexRocket ↗
PDF toolsLive
PDF Probe
clioos.com/pdf
Convert PDFs to Excel — digital tables and scanned pages, with a balance check. Free for your first 10 pages.
Open PDF Probe ↗
Screenshot API免费体验
Shot
clioos.com/shot
Turn any URL into a screenshot — a screenshot API for developers. Free, 20 shots a day.
Open Shot ↗
App Store tools免费体验
App Store Screenshots
clioos.com/app-screenshots
Turn one app screenshot into App Store-ready sets — free 6.9″ size, unlimited exports.
Open tool ↗
GEO / AI searchLive
AI Visibility Lite
clioos.com/ai-visibility
Spot-check whether ChatGPT or Perplexity mentions your brand — official APIs only, one-off check packs. We never promise citations.
Open AI Visibility ↗
GEO / llms.txt免费体验
llms.txt Generator
clioos.com/llms-txt
Create a spec-compliant llms.txt for your site, or check a public URL — free, no account required for basic use.
Open llms.txt tool ↗
Subtitle toolsLive
Subtitle Translator
clioos.com/subtitle-translator
Upload a video or an .srt file. Get translated captions back — one-off minute packs, no monthly subscription.
Open Subtitle Translator ↗
Startup directoryLive
IndieShelf
indieshelf.clioos.com
A free startup listing & SaaS directory for indie products — submit once, get listed after review. No pay-to-rank.
Open IndieShelf ↗
Free tools
Guides
Browse all guides →Guide
How to Convert PDF to Excel
Upload a PDF table, check the preview, download a clean .xlsx — free for the first 10 pages.
Read the guide →
Guide
How to Convert a Bank Statement PDF to Excel
Turn a statement into a spreadsheet and verify it with the balance reconciliation.
Read the guide →
Guide
How to Convert a Scanned PDF to Excel
OCR route for paper statements: what makes a scan readable, and what doesn't work.
Read the guide →
Guide
How to Convert PDF to Word
Two free offline paths: LibreOffice Writer Save As Word, and a short pdf2docx script — tested on a one-page letter.
Read the guide →
Guide
How to Convert PDF to JPG
One page becomes one JPG: 150 DPI for sharing, 300 DPI for print — tested with free offline tools, no upload.
Read the guide →
Guide
How to Edit a PDF
Fix a typo for real: a tested PyMuPDF script plus the LibreOffice Draw route — and the limits free tools won't tell you.
Read the guide →
Guide
How to Merge PDF Files
3 pages + 2 pages = 5 pages, in the order you list them — tested with pypdf and pdfunite, no upload.
Read the guide →
Guide
How to Convert PDF to CSV
PDF Probe has no direct CSV export — the honest path is PDF to Excel, then Save As CSV. Tested: 12 rows, 5 columns, balance intact.
Read the guide →
Guide
How to Compress a PDF
A photo-heavy PDF shrank 81.5% with one free offline command — but a text-only PDF grew. Tested numbers inside.
Read the guide →
Guide
How to Convert PDF to PNG
One page becomes one PNG: 1241×1754 at 150 DPI, 2481×3508 at 300 DPI — tested with free offline pdftoppm, no upload.
Read the guide →
Guide
How to Split a PDF
6 pages in, 6 one-page files out — plus any page range you pick. Tested with pdfseparate and pypdf, no upload.
Read the guide →
Guide
How to Take a Screenshot of a Website
Shot's free API renders any public URL to PNG, JPEG or WebP: 20 renders a day per key, no credit card. Tested: 1280x800 in 2,482 ms.
Read the guide →
Guide
How to Capture a Full Web Page
Full-page capture is a different job from a viewport shot: scroll-triggered lazy loading, tall images, and a pixel cap. Tested: 1280x3868 in 3,058 ms.
Read the guide →
Guide
How to Submit Your Website to Search Engines
No tool can guarantee indexing, and IndexNow does not submit to Google. The honest path: GSC sitemap + IndexNow to Bing and others + a free estimate check.
Read the guide →
Guide
How to Translate Subtitles
Upload a video or an SRT file and get translated captions back. Free 10 minutes per email, minute packs that never expire, and always proofread before publishing.
Read the guide →
Guide
How to Translate SRT Files
Translate an existing SRT file: cue text changes, cue numbers and timestamps stay exactly where they were. SRT-only jobs skip transcription entirely.
Read the guide →
Guide
What Is llms txt
A proposed Markdown site map for language models: one H1 title, an optional summary, and curated links. A proposal, not a standard — and no citation promise comes with it.
Read the guide →
Guide
llms txt Example
A real generated llms txt file, explained line by line, with the checker results that prove its structure — and the missing-H1 failure that proves the checker actually rejects bad input.
Read the guide →
Guide
How to Convert a Scanned Bank Statement to Excel
Paper statement + scan: OCR the page, then prove the numbers with the balance reconciliation.
Read the guide →
Guide
App Store Screenshot Sizes
The four sizes the Clioos tool exports, with exact pixels — and which one is actually free.
Read the guide →
Guide
How to Convert JPG to PDF
Two sample JPGs became a 2-page PDF with one free offline command — tested numbers inside.
Read the guide →
Guide
How to Sign a PDF Online
A 1-page PDF got a signature and date stamp with free offline tools — and how that differs from a certified signature.
Read the guide →
Guide
How to Fill a PDF Form
A 3-field form filled offline and read back with every value intact — plus the forms that won't fill this way.
Read the guide →
Guide
How to Convert PNG to PDF
Two sample PNGs became a 2-page PDF with one free offline command — tested numbers inside.
Read the guide →
Guide
How to Convert PDF to Text
A text PDF extracts cleanly; an image-only PDF extracts nothing — both tested, with the OCR boundary stated.
Read the guide →
Guide
How to Convert TXT to PDF
A 126-byte text file became a 1-page PDF with a free offline script — tested numbers inside.
Read the guide →
Guide
How to Add Page Numbers to a PDF
Stamps that pdftotext can read back — a 2-page PDF stamped and verified, numbers inside.
Read the guide →
Guide
How to Translate YouTube Subtitles
YouTube gives you the captions file; Clioos translates it — the two steps kept separate, no direct-download claim.
Read the guide →
Guide
How to Appear in ChatGPT Answers
No submission form exists for ChatGPT answers — the honest path is becoming citable, then checking what answers actually say.
Read the guide →
Guide
Product Launch Checklist
Launch day is a checklist, not a promise: pages live, listings submitted, verification done days later.
Read the guide →
Guide
Dating a Virgo
Virgo dating notes as entertainment: traits, dates, and where to check a real score.
Read the guide →
Guide
Dating a Sagittarius
Sagittarius dating notes as entertainment: traits, dates, and where to check a real score.
Read the guide →
Guide
Astrology Dating Chart
Dating charts explained: synastry vs composite, and why a sun sign alone is not enough.
Read the guide →
Everything here is an experiment. A project that earns real revenue graduates to its own domain. One that doesn't gets shut down.