A tool for arranging photos for home-printing without wasting paper
Simple photo arranger for home printing when Word feels too heavy.

Browser-only PDF generator when Canva charges for batch label exports.
Event organizers, teachers, small business owners
Canva · Avery Design & Print · Mail Merge tools
So I made a gadget. You just need to paste the name list, choose Avery5163 or 5160, and he will generate a PDF by himself, and the size exactly meets the label specifications.
The most annoying part is the margin calculation. Avery's official specification is expressed in inches, and pdf-lib works with points, but 0:01 inches but the rounding error makes the label of the whole page deviate.
Technical stack: native HTML, pdf-lib to generate PDF, cf page hosting. Without back-end, all operations are completed in the browser.
Simple photo arranger for home printing when Word feels too heavy.
Web UI for Niimbot printers beats their awful official apps hands down.
DNS heuristic for domain status is useful, but Namelix and Looka already do this.
You send prints to a local virtual printer, inspect a smart queue (rename items, check page counts), drag in extra PDFs and then merge or print the whole stack — exact workflow-level tooling that saves annoying manual merging. The app is small, privacy-friendly (developer claims no data collection) and includes useful extras like a log viewer, but the core idea is familiar and the free tier’s 5-document limit feels deliberately gating without compelling advanced features shown on the listing.
LLM-filtered arXiv digest with Zotero PDF sync for robotics researchers.
pdf-lib batch automation for sensitive forms, but ILovePDF and Smallpdf cover this cheaper.