Learn it. Make it. Done.
Clear explanations for the work behind the tools. No long detours.
Draft a page title and description with a search-style preview
Compare metadata wording, inspect Unicode character counts, and copy escaped title and canonical tags.
Extract a video's audio into a separate MP3
Create an MP3 listening copy from a video, check that an audio stream exists, and understand the re-encoding and privacy limits.
Write a whole number in English without losing its scale
Convert 1,002,045 to English words, understand the supported range, and distinguish whole-number wording from currency formatting.
OCR PDF: a practical guide
Make scanned PDF pages searchable with local English OCR.
Prepare Open Graph tags from a page's sharing information
Generate escaped website metadata while distinguishing the text mockup from a fetched social card.
Generate a password that fits a site's character rules
Choose password length and character groups, understand browser cryptographic randomness, and save each generated secret safely.
Try a PDF object-stream rewrite and measure the saving
Understand what ERITHRA PDF compression changes, compare actual output bytes, and recognize when image downsampling is needed elsewhere.
PDF Editor: a practical guide
Place text and images on a PDF with a visual page preview.
Merge PDFs in a planned document order
Assemble a PDF packet in file-selection order, verify its page sequence, and check document features after rebuilding.