Converters tools
Swap units, currencies, colours and number systems in a tap.
- Runs in your browser
- Nothing uploads
- No account, no tracking
- Free — always
Convert numbers between binary, octal, decimal and hexadecimal. Big-number safe, with one-click copy.
Convert length, weight, volume, area, speed, time and data between dozens of common units.
Switch any temperature between Celsius, Fahrenheit and Kelvin — accurate to the decimal.
Roman numerals, binary, Morse, pig latin, wingdings, fancy text and NATO phonetic — seven converters in one.
Drag in files or a whole folder, pick a compression level and build a .zip — all in your browser.
Open any .zip in your browser to preview text and images, download single files or extract everything.
Open RAR, 7z, TAR and TGZ archives locally — preview, unlock with a password and extract as a ZIP.
Two-way XML and JSON conversion with attribute handling, pretty-printing and live validation.
Two-way YAML and JSON conversion with live validation, file upload and one-click copy.
Convert TOML config to JSON and back with live validation — perfect for Cargo, pyproject and Hugo files.
Two-way Markdown and HTML conversion with live preview, GitHub-flavored syntax and one-click copy.
Convert CSV to Excel (XLSX) and back. Handles multi-sheet workbooks, large files and UTF-8 — all in your browser.
Rasterize SVG to PNG or JPG at 1×–8× scale with transparent background and batch ZIP export.
Convert PNG, JPG and GIF to WebP and back — quality control, batch ZIP and real-time size savings.
Convert Word documents to PDF locally. Keeps headings, lists and basic formatting — no upload on server, no account.
Convert between SRT and VTT, shift every timestamp by ± seconds, and clean up formatting — runs locally, no upload on server.
Build a .vcf contact card with QR code for one-tap saving on any phone, or drop an existing vCard to edit it. Runs only in your browser.
Create a calendar .ics file with one or many events, reminders and repeat rules — importable by Google, Apple and Outlook.
Write any number as words for cheques, contracts and forms. International (million/billion) and Indian (lakh/crore) formats with currency and ordinals.