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Guides to the most popular tools

Practical instructions with desktop and phone screenshots, short demonstrations and answers to common questions.

How to separate vocals and instrumental audio

Separate vocals and backing, or vocals, drums, bass and other instruments. Compare the results in a shared player with mute, solo, volumes, speed and fragment looping.

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How to open a document online and save a PDF preview

View a document in your browser without installing an office suite. Open a file, check its pages and save the generated PDF preview.

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How to save a YouTube video to your device

Find the correct video link, choose an available video format and save the result on desktop or mobile.

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How to save audio from a YouTube video as MP3

Use a video link to prepare an audio file, then save it to your computer or phone. Learn where to find the result and what to do if preparation fails.

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How to improve image quality and compare the result

Choose an enhancement mode, set an enlargement scale and compare the processed image with the original before saving.

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How to extract sound from a video

Extract one or all audio tracks, trim a fragment with timecodes and save MP3, AAC, M4A, Opus, WAV, OGG, FLAC or WMA, or copy the original audio.

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How to trim a video online

Keep the part of a video that you need. Set the start and end, preview the selection and save the finished clip.

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How to pixelate a photo in your browser

Create a mosaic effect, adjust the block size and save the processed image from desktop or mobile.

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How to open a presentation online

View slides without installing presentation software. Convert a supported presentation to a browser preview and save its PDF.

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How to open an archive and save its files

Choose an archive, inspect its contents and save the extracted files you need on a computer or phone.

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How to add music or a voice track to a video

Place a separate audio file over a video and balance it with the original sound.

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How to open a Visio diagram without Visio

Preview a Visio drawing in your browser and save its PDF representation.

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How to open a DICOM image and inspect its tags

View DICOM pixels, including JPEG 2000, HTJ2K and JPEG XL, adjust the display window and inspect metadata.

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How to edit a photo with a written instruction

Describe a change to a photo, review the processing options and compare the generated result.

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How to try repairing a damaged video

Use the help beside the eight ordinary repair modes and the separate advanced reconstruction options. Learn how to choose a healthy sample and check the result.

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How to gradually increase or decrease audio volume

Create a gradual rise from silence or a gradual reduction to silence at the beginning or end of a recording.

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How to view an image and save another format

Open an image, inspect its dimensions and create a supported output copy.

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How to change voice pitch and add effects

Try a voice preset and adjust pitch, speed and timbre before exporting a new recording.

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How to check left and right audio channels

Listen to stereo channels and inspect whether the two sides differ.

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How to test your microphone online

Check the live waveform and input levels, then record and listen to a short sample on your device.

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How to cut a section from an audio recording

Set the boundaries on the waveform, preview the audio that will remain and export a shorter copy.

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How to identify a file by its contents

Check a file signature instead of relying only on the extension in its name.

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How to convert latitude and longitude formats

Turn geographic coordinates into another supported notation and check their location.

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How to play a video backward

Create a reversed copy and review the available sound and output settings.

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How to edit MP3 title, artist and album

Update the metadata shown by a music player and save an edited copy.

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How to rotate a sideways video

Choose an orientation and save a video that displays the right way up.

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How to diagnose and convert text encoding

Read text with the intended character encoding and prepare a correctly encoded copy.

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How to fix text typed with the wrong keyboard layout

Convert mistyped keyboard characters without retyping the whole passage.

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How to convert a video to another format

Choose a supported target format and review compatibility before starting conversion.

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How to normalize audio loudness

Bring recordings closer to a chosen loudness target while checking peaks and listening quality.

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How to convert a route or geodata file

Change a supported geographic file into another available format and verify the geometry.

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How to build a spectrogram from an audio recording

Inspect how frequencies change over time and export an available visualization.

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How to join audio with a crossfade

Overlap the end of one recording with the start of another for a smoother transition.

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How to make a video gradually appear from black or disappear to black

Gradually reveal the picture at the start or darken it to black at the end, without changing the frame dimensions.

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Optimize GIF

Upload and recompress the selected GIF with the current settings.

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How to resize a photo to exact dimensions

Set image dimensions, keep proportions and save a supported output copy.

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How to make a demotivator from a picture

Add a title and caption around an image and export the finished composition.

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How to recognize text in images and PDF and export HTML or Markdown

Recognize images or selected PDF pages, detect languages automatically, compare source and text, and export TXT, Word, Markdown, HTML or JSON.

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How to extract still frames from a video

Choose frame extraction settings and save images from a clip.

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How to measure distance or area on a map

Mark points on a map and inspect the length or area calculated from their geometry.

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How to find a pixel color in an image

Inspect a color in a picture and copy the displayed color code.

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How to use this tool: Photo levels editor

Set black, white and midtone points with separate RGB channels.

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How to use this tool: RGB curves editor

Shape contrast and individual color channels with a five-point tonal curve.

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How to use this tool: Gradient map for photos

Map image brightness to three chosen colors with a movable midpoint.

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How to use this tool: Photo channel mixer

Combine red, green and blue sources into one output channel or monochrome.

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How to use this tool: Selective color correction

Adjust cyan, magenta, yellow and black contributions in a selected color range.

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How to use this tool: Shadows and highlights

Lighten dark areas and reduce bright areas with a controllable tonal range.

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How to use this tool: Lens distortion correction

Manually correct barrel or pincushion distortion and adjust the image scale.

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How to use this tool: Photo perspective correction

Rectify a photographed rectangle by selecting its four source corners.

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How to use this tool: Tilt-Shift photo effect

Keep a band of the photo sharp and gradually blur areas outside it.

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How to use this tool: Image offset with wraparound

Shift an image horizontally and vertically, wrapping cut-off pixels to the opposite side.

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How to use this tool: Photo color balance

Correct color casts separately in shadows, midtones and highlights.

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How to use this tool: Color photo filter

Add a warm, cool or custom color filter with adjustable density and brightness compensation.

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How to use this tool: High Pass detail map

Extract fine detail and edges as a gray-centered high-pass image.

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How to use this tool: Two-color image threshold

Turn a photograph into two colors using an adjustable brightness threshold.

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How to use this tool: Posterize a photo

Reduce the number of shades in each RGB channel for a graphic poster effect.

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How to use this tool: Halftone dot effect

Create a single-ink print effect using dots whose size follows the local image brightness.

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How to use this tool: Motion blur

Add directional motion trails with adjustable angle and distance.

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How to use this tool: Radial spin and zoom blur

Create circular or radial blur around a center you choose.

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How to use this tool: Photo emboss effect

Transform brightness edges into a gray relief with directional light and shadow.

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How to use this tool: Solarize a photo

Partially invert bright RGB channel values to create a surreal color effect.

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How to use this tool: Replace a color in a photo

Replace a chosen RGB color and similar shades, with adjustable tolerance and shading preservation.

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How to use this tool: Median photo denoise

Reduce isolated light and dark specks with a median filter and an adjustable difference threshold.

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How to use this tool: Oil painting photo effect

Turn a photo into broad paint-like patches using local brightness groups.

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How to use this tool: Find photo edges

Extract brightness contours with adjustable strength and two custom colors.

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How to use this tool: Crystallize a photo

Transform a photo into irregular polygonal color cells with a repeatable pattern.

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How to use this tool: Diffuse photo pixels

Scatter nearby colors to create a textured surface, with light-only and dark-only modes.

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How to use this tool: Twirl a photo

Twist the central area of a photo clockwise or counterclockwise with a soft radial transition.

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How to use this tool: Wave distortion for photos

Bend rows or columns with a sine wave and control how the edges are filled.

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How to use this tool: Shear a photo along a curve

Bend a photo horizontally using top, middle and bottom shift controls.

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How to use this tool: Polar coordinates photo effect

Wrap a rectangular photo into a circle or unwrap a circular image into a rectangle.

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How to use this tool: Select a color range

Keep or remove similar colors and export a transparent cutout or grayscale mask.

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How to use this tool: Feather image edges

Soften the alpha boundary of an image inward without changing its colors.

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How to use this tool: Expand or contract a mask

Grow or shrink white mask areas using maximum and minimum filters.

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How to use this tool: Outline a transparent object

Add a colored inner, outer or centered outline along an image alpha boundary.

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How to use this tool: Add an inner shadow

Create a recessed edge or inner highlight using the transparency of an image.

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How to use this tool: Overlay a gradient on a photo

Blend a linear or radial color gradient over a photo with adjustable scale and opacity.

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How to use this tool: Overlay a pattern on a photo

Add repeating stripes, dots or a checkerboard using a custom color and blend mode.

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How to use this tool: Equalize an image histogram

Redistribute tonal values to increase contrast with brightness or separate RGB processing.

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How to use this tool: Glass distortion effect

Distort a photo through a repeatable smooth procedural glass texture.

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How to use this tool: Custom 3×3 image filter

Create a convolution filter with nine weights, a divisor, brightness offset and strength.

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How to use this tool: Bevel a transparent edge

Add highlights and shadows along the edge of a transparent object.

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How to use this tool: Outer glow for a transparent image

Place a soft colored halo behind a transparent object.

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How to use this tool: Satin layer effect

Create soft interior bands from the transparency contour of an image.

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How to use this tool: Remove a color matte from PNG edges

Correct white, black or colored contamination in translucent pixels.

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How to use this tool: Shift red and blue image channels

Create or adjust colored fringes by shifting red and blue separately.

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How to use this tool: Wind streaks photo effect

Extend bright details into directional fading streaks.

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How to use this tool: Pointillist photo effect

Turn a photo into colored dots on a chosen paper color.

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How to use this tool: Two-color diffusion dithering

Represent photo tones with two ink colors and error diffusion.

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How to use this tool: Relief lighting for a photo

Simulate directional light using image brightness as a height map.

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How to use this tool: Spherize a photo

Bend a photo into a spherical or cylindrical shape.

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How to use this tool: Blend two images

Combine two images with blend modes and adjustable opacity.

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How to use this tool: Distort with a displacement map

Warp an image using the brightness or channels of a second image.

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How to use this tool: Match colors to a reference image

Transfer average RGB color and contrast from a reference photograph.

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How to use this tool: Edge-preserving surface blur

Smooth small color variations while retaining stronger edges.

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How to use this tool: Diffuse highlight glow

Add a soft colored glow around bright photo details.

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How to use this tool: Gradient image transparency

Fade an image to transparency along a line or from the center.

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How to use this tool: Create a luminosity mask

Select a brightness range as a grayscale mask or transparency.

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How to use this tool: Canvas and surface texture

Add directional shading from a repeating surface texture.

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How to use this tool: Concentric ripple distortion

Distort a photo with concentric waves around a chosen center.

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How to use this tool: Color halftone screen

Turn photo colors into a rotated four-ink-style dot pattern.

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