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Convert units, numbers and formats back and forth — quick converters in your browser.
Unit converter — length, weight, temperature
Convert metric and imperial units instantly in your browser. Free unit converter — no signup.
Temporary file upload & share link — free
Upload a file up to 100 MB and get a temporary download link. Optional password, auto-delete after 1–72 hours.
Binary ↔ Text Converter online — free
Convert text to binary and binary back to text. Tentaco Binary ↔ Text Converter: review input and get an instant result — free, no sign-up.
Timezone Converter online — free
Convert a date/time to another timezone. Tentaco Timezone Converter: review input and get an instant result — free, no sign-up.
Bytes Unit Converter online — free
Convert KB, MB, GB, TB and file sizes. Tentaco Bytes Unit Converter: review input and get an instant result — free, no sign-up.
Data Rate Converter online — free
Convert between Mbps, MB/s, Kbps and more. Tentaco Data Rate Converter: review input and get an instant result — free, no sign-up.
Roman Numeral Converter — MCMLXXXIV
Convert between Roman numerals and numbers. Tentaco Roman Numeral Converter: review input and get an instant result — free, no sign-up.
Converter Studio online — free
Units, encoding, data sizes and timezones in one workspace. Tentaco Converter Studio: review input and get an instant result — free, no sign-up.
Office Studio online — free in your browser
DOCX, XLSX and PPTX convert and text extract. Tentaco Office Studio: review input and get an instant result — free, no sign-up.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
Yes — all guides link to free browser tools with no account required.
Most tools process data locally in your browser.