Free browser tools for everyday tasks and developers - no sign-up
About SwiftTools
SwiftTools is a free, no-sign-up collection of 50 online tools that run entirely in your browser. It covers text writing, calculators, unit converters, date and time tools, developer utilities (JSON formatter, Base64, UUID, URL encoder) and ten PDF tools (compress, merge, split, watermark, protect). Because everything runs client-side, your files and text never leave your device.
✓ VerifiedOct 17, 2026
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