100% private. Every tool below runs entirely in your browser — nothing is uploaded, stored, or sent anywhere.
ToolVerse Tools
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Calculators
Unit Converter — Length, Weight & Temperature
Free unit converter. Convert length, weight and temperature between metric and imperial units instantly in your browser — no data leaves your device.
JSON / CSV / Data
CSV to JSON Converter — Convert CSV Online
Free CSV to JSON converter. Turn CSV data into JSON instantly in your browser — your data never leaves your device.
Date / Time
Date Duration Calculator — Days Between Dates
Free date duration calculator. Find years, months, days and total days between two dates — calculated locally in your browser.
Developer / Code
Base64 Encoder & Decoder — Encode Online
Free Base64 encoder and decoder. Convert text to Base64 and back instantly in your browser, with full Unicode support.
JSON Formatter & Validator — Pretty-Print JSON Online
Free JSON formatter and validator. Pretty-print, minify and validate JSON instantly in your browser — your data never leaves your device.
Image
Image Compressor — Reduce Image File Size Online
Free image compressor. Reduce JPEG and PNG file size in your browser by resizing and adjusting quality. Your images never leave your device.
Privacy / Security
Password Generator — Strong Random Passwords
Free password generator. Create strong random passwords with your browser's secure generator — nothing is sent or stored.
SEO
SERP Preview Tool — Google Search Result Preview
Free SERP preview tool. See how your title and meta description could appear in Google results, with length checks — all in your browser.
Text & Writing
Case Converter — Change Text Case Online
Free case converter. Change text to UPPERCASE, lowercase, Title Case and more instantly in your browser.
Word Counter — Count Words, Characters & Reading Time
Free online word counter. Count words, characters, sentences and reading time instantly in your browser — text never leaves your device.