WHAT'S NEW

Recent improvements

StillKit is updated regularly. These are the most recent changes, newest first.

4 November 2026

Sign PDF: place a picture of your signature on any page of a PDF, on your device.
Unit converters show the exact formula and tables of common values in both directions.
Calculator examples read like their results instead of raw data.
A new guide explains how StillKit works and how to check for yourself that nothing is uploaded.
Recommendations for our other products now appear only when you choose to open them.
Video tool pages show their real file size limit.

Video and subtitle tools: trim, compress, crop, rotate, mute, add subtitles or music, make GIFs, grab frames and more, in your browser.
Introductions to StillKit in 26 languages, and a language menu on every page.
Country tools that check the format of account numbers, IDs and codes, write amounts in words and convert between world calendars.
Calculator results show as clear cards and tables.
Stricter input checks across many tools.

Photo editing tools, including sharpening, rotation by any angle and compression to a target file size.
Audio tools to cut, join, fade, adjust the volume of and compress audio.
PDF and image watermarks with position, size, opacity and tilt, and a live preview.
Step-by-step progress while a tool works.

StillKit grew to more than 1,000 tools, including 672 two-way unit converters and 88 work and project calculators.
Faster search, with category and section filters.

Missing a tool, or found a result that looks wrong? Tell us.