Quick tools.
Zero friction.
Every small utility a developer — or anyone else — needs. Fast, private, and free. No accounts, no clutter, no waiting.
● Fast — no page bloat● Private — runs in-browser● Free — no sign-up
Popular right now
All 35 tools →AaConvertisseur de casse13 styles de casse différentsAaTransformateur de texteTransformer le texte en styles Unicode - gras, italique, à l'envers, bulle & plus⇋Rechercher & RemplacerRechercher et remplacer du texte avec support regex≡Outils de lignesTrier, mélanger, filtrer et manipuler des lignes⌊⌋Extracteur de texteExtraire e-mails, URLs, numéros de téléphone et plus⧉Générateur de chaînesGénérer Lorem Ipsum, UUID, mots de passe et données aléatoires∑Statistiques de texteAnalyser le texte et obtenir des statistiques détaillées{ }Formateur JSONFormater, minifier et explorer du JSON
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InstantPages ship lean and render on the edge. Tools respond as you type.
Private by defaultMost tools run entirely in your browser. Your data never leaves the tab.
Free, alwaysEvery tool is free. Tasteful, clearly-marked ads keep the lights on.
No sign-upOpen a tool, use it, leave. History stays on your device if you want it.
The fast, free online toolbox
FlinkTools is a growing library of 35+ online utilities for text, encoding, encryption, validation, networking, math, conversion, images and passwords. Every tool lives on its own fast page, works on any device in six languages, and — wherever possible — processes your data locally in your browser instead of on a server.
“Flink” means quick and nimble — that's the whole product. Press ⌘K anywhere to jump to any tool.