Free online tools and calculators
Edit PDFs, convert images, count text and use calculators for everyday tasks, work and business directly in the browser.
Tools by task
Compress files, check text, track time or calculate amounts.
24 free calculators
Calculate percentages, VAT, compound interest, work, salary, insurance and more.
Compress PDF
Reduce file size with adjustable quality or preserve the existing document structure.
Compress images
Compress, remove metadata and convert to JPG, PNG, WebP or AVIF.
Anonymise photos
Reliably remove EXIF, GPS and other embedded metadata.
Anonymise video
Re-encode video and audio and remove source metadata.
HEIC in JPG
Make iPhone photos compatible, remove metadata and download them together as a ZIP.
Merge PDFs
Sort several PDF files and merge them directly into a new file.
Convert JPG and PDF
Combine images into a PDF or save each PDF page as a JPG.
Sign PDF
Draw a signature, place it on the correct page and save a new PDF.
Count words and characters
See words, characters, sentences, paragraphs, reading time and speaking time instantly.
Calculate working time
Calculate breaks, net working time, decimal hours, target balance and finishing time.
Validate IBAN and create SEPA QR
Validate the check digits and provide payment details as PNG or SVG.
Create QR code
Create QR codes for links, text, Wi-Fi and contact details as PNG or SVG.
Check colour contrast
Calculate contrast ratios and check WCAG requirements for text and graphics.
Create meta tags
Preview search and social results, generate tags and copy them cleanly.
Why free?
You can use every tool without an account, payment or usage limit. Jan-Erik Andersen develops them for common browser-based tasks. For a bespoke website, shop, calculator, form or web tool, see the relevant service and contact pages.