serconet

YOUR TOOLBOX

What can we
help you do?

Prepare files, create QR codes or explore our calculators for Spain.

8 tools

Free
Images and PDF

Images to PDF

Combine photos or scans into one PDF. Choose their order and download a single file.

JPG, PNG and WebP → PDF
Free
Images and PDF

WebP to JPG and PNG

Need a different image format? Turn WebP into JPG or PNG to open, share or use it elsewhere.

WebP → JPG or PNG
Free
Images and PDF

Reduce image file size

Prepare a photo for a form with a file size limit. Check its size before you submit it.

KB limit · JPG output
Free
Images and PDF

Merge PDF

Bring several PDFs together: documents, receipts or notes, in the order you choose.

Several PDFs → One PDF
Free
Images and PDF

Extract PDF pages

Only need a few pages? Choose them from a PDF and save a document with just those pages.

Individual pages or ranges
Free
Utilities

Static QR codes

Share a link or access to your Wi-Fi with a QR code, ready to save or print.

Links and Wi-Fi · PNG / SVG
Free
Finance · Spain

Mortgage calculator · Spain

Estimate fixed-rate mortgage payments and see how much interest you would pay, month by month.

Spain · Fixed rate · Fees excluded
Free
Finance · Spain

Personal loan calculator · Spain

Calculate fixed-rate loan payments and compare the amount borrowed with the total repayment.

Spain · Fixed rate · Fees excluded

Privacy and cookies

Controller: Francisco Nicasio Rodríguez · fnicasio@gmail.com.

Purpose: understand visits, viewed pages and tool usage and clicks to AI sources to improve the site. Basis: your optional consent, which you can withdraw here at any time without affecting previous processing. We do not use this data for personalized advertising.

Only after acceptance do we load Google Analytics 4, provided by Google Ireland Limited. It may process cookie identifiers, browser and device information, approximate location and usage events. Google receives the connection, including the IP address, although GA4 does not log or store IP addresses. We do not send files, file names, entered text, document titles, download URLs, URL parameters or our own user IDs.

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Google may process data outside the EEA under its terms and transfer safeguards. You can consult the details and request access, rectification, erasure, restriction or portability using the contact above, and lodge a complaint with the Spanish Data Protection Agency (AEPD). How Google uses data · Processing terms and transfers · AEPD.