Browse by category
Tools are grouped by the kind of file or job they handle. Guides are grouped by topic.
Tool categories
Image toolsCompress, resize, crop, convert and prepare pictures for the web, email and print.8 tools
PDF toolsMerge, split, rotate and tidy PDF files without installing software.6 tools
Text and writing toolsCount, clean, compare, sort and reformat text in seconds.9 tools
Developer toolsFormat, encode, decode and test the data formats behind the web.10 tools
SEO and marketing toolsWrite meta tags, preview search snippets and build trackable campaign links.3 tools
Colour and design toolsConvert colours, check contrast and build CSS gradients.3 tools
QR and barcode toolsMake QR codes and barcodes you can print, with no expiry and no account.2 tools
Security toolsGenerate strong passwords and verify files with checksums.2 tools
Calculators and convertersEveryday sums: percentages, dates, loans, units and time zones.9 tools
Guide topics
- AIPlain-English guides to AI assistants and image generators: what they are good at, where they go wrong, and h…2 articles
- Images & DesignImage formats, compression, resizing and colour, explained with the settings that actually matter for website…2 articles
- PDF & DocumentsHow to merge, shrink, convert and share PDFs and other documents without paying for software you do not need.2 articles
- Web & DeveloperShort, accurate explainers for the formats and tools behind the web: JSON, Base64, URLs, UUIDs, timestamps an…1 article
- Security & PrivacySensible, non-alarmist advice on passwords, hashing, file safety and keeping personal data private online.2 articles
- Software & TroubleshootingFixes for common problems on Windows, macOS, iPhone and Android, written so you can follow them without a tec…1 article