Free Online Tools 2026 – PDF, Image, Calculator & Developer Tools

38 free online tools – PDF merger/splitter, image resizer, calculators, developer tools & more. No signup required, all tools work in your browser.

Free Online Tools

Access 38+ professional-grade tools completely free – no signup, no download. All tools run entirely in your browser for complete privacy.

Tool Categories

PDF Tools: Merge, split, compress, password protect, convert to/from images
Image Tools: Resize, convert formats, compress
Calculators: Percentage, EMI, SIP, GST, BMI, Discount, Tip, Scientific
Text Tools: Word counter, case converter, Lorem Ipsum, Markdown editor
Developer Tools: JSON formatter, Base64, Color picker, Hash generator, Regex tester
Converters: Unit, Timestamp, Number base, Age calculator