Every Cleanor Tool

Speed up or slow down one video and export the result as MP4 locally.

Extract one PNG thumbnail from a video at the exact timestamp you choose.

Export a video range as numbered PNG frames packaged in a ZIP.

Convert a video into an audio file (MP3, WAV, or M4A) locally in your browser.

Encode or decode Vigenère ciphers with a keyword, in your browser.

Tune your violin using your microphone, live in the browser. Free, no app, no sign-up.

Join multiple voice notes into one MP3, in order, without installing anything.

Convert voice notes, voice memos, WhatsApp audio, and recordings into MP3 locally.

Record microphone audio in the browser and export the take as MP3 locally.

Convert voltage units like volts to millivolts, kV to V instantly in your browser. Free, no upload, no sign-up.

Enter the input voltage and 2 resistor values to get the output voltage.

Voltage drop by wire gauge and length. Free, instant, in your browser.

Convert volume units like liters to gallons, ml to cups instantly in your browser. Free, no upload, no sign-up.

Convert volumetric flow rate units like L/min to gallons per minute instantly in your browser. Free, no upload, no sign-up.

Dimensional weight for shipping. Free, instant, in your browser.

Convert WebVTT (.vtt) captions to SubRip (.srt) by pasting your subtitles. Free, in your browser, nothing is uploaded.

Waist-to-hip ratio with the WHO cut-offs. Free, instant, in your browser.

Wallpaper rolls for a room. Free, instant, in your browser.

Estimate how much water to drink per day based on your body weight. Free, in your browser, no sign-up.

Stamp text or your own logo onto a photo, in a corner or tiled, without uploading it.

Convert watts to horsepower instantly: 1 horsepower = 745.7 watts.

Live preview plus the camera’s real resolution and frame rate. Nothing leaves the device.

Turn a WebM clip into an animated GIF, with no upload.

Pull the audio out of a WebM as an MP3, with no upload.