UD5 Toolkit
Tone Mapping Tool - Online Local HDR to LDR
Apply tone mapping algorithms to bring out details in highlights and shadows. Simulate HDR from a single image.
Online Editors - Code & Text
84+ toolsImage Negative Filter - Online Invert Colors Photo
Apply a true negative color effect to your image. Simulate a film negative or invert scanned documents. Instant canvas transformation.
Audio Silence Remover - Online Strip Quiet Parts
Remove silent parts from an audio recording. Useful for podcasts and lectures. Set threshold and minimum silence duration.
SRT Subtitle Creator - Online Add Timestamps
Create .srt subtitle files manually by adding lines and setting times with a simple player. Download the result. Local.
Pixel Art Upscaler - Online NearestâNeighbour Enlarge
Enlarge pixel art or lowâres images without blur. Choose 2x, 4x, 8x. Perfect for sprites. Download scaled PNG.
Karaoke Text Sync Tool - Online LRC Lyric Generator
Paste lyrics and tap while the song plays to embed timestamps. Export as .lrc file for music players. All in browser.
Gradient Map Filter - Online Apply Creative Gradients to Photos
Upload a photo and remap its tones to any gradient. Apply stunning color grading. Download result.
Circle Image Cropper - Online Round Photo
Crop any image into a perfect circle and save as PNG with transparent corners. For profile pictures. Local canvas.
Image Emboss Effect - Online Raised 3D Look
Apply an emboss filter to your photo. Choose direction and depth. Gives a 3D carved stone look. Pure canvas.
Image Warmth & Coolness Slider - Online White Balance Tint
Slide left for cooler (blue) or right for warmer (orange) tones on your image. Quick photo adjustment. Local.
Rain Overlay Effect - Online Add Rain to Photo
Add a realistic animated rain or static rain overlay to your image. Adjust opacity and droplet size. Download final.
Fisheye Lens Effect - Online Apply Bulge or Pinch
Apply a fisheye or barrel distortion to your photo with adjustable strength. Simulate extreme wide angle.
Image to Paper Texture - Online Old Document Look
Overlay a realistic aged paper, parchment, or canvas texture onto any photo. Vintage effect. Download result.
Light Leak Effect - Online Add Retro Lens Flare
Add a warm, orange light leak to your photo for a vintage film look. Adjust intensity and angle. Instant download.
Sound Wave Extractor - Online Isolate Vocals or Instrumental
Simple phase cancellation tool: load a stereo track and attempt to remove centerâpanned vocals. Not perfect, but fun to experiment.
GIF Caption Adder - Online Add Text to Animated GIFs
Upload an animated GIF and overlay text on top or bottom. Preserves animation. Instant download without upload. Pure browser canvas.
Image Hue Shifter - Online Change Colors Easily
Rotate the hue of any image globally. Turn a red car blue instantly. Download the result. Works entirely in the browser.
Remove White Background - Online Make Transparent
Automatically remove white background from an image and make it transparent. Adjust tolerance. Save as PNG.
Audio Trimmer - Online Cut MP3 WAV Locally
Select a part of an audio file and trim it to the selection. Playback preview. Download the cropped audio. No upload.
Pixel Sharp Image Upscaler - Online NearestâNeighbour Enlarge
Enlarge pixel art or lowâres images without blur. Choose 2x, 4x, 8x. Perfect for sprites. Download scaled PNG.
Image Aspect Ratio Fitter - Online Resize to Exact Fit
Resize and crop an image to a specific aspect ratio (1:1, 16:9âŠ) with automatic fit/cover. Download the perfect image.
HTML Includes Previewer - Online Simulate SSI Includes
Paste multiple HTML snippets (header, footer) and a main content, then combine them into a single preview. Static site helper.
Video Color Filter - Online Apply Tint to Video in Browser
Apply real-time CSS filters or canvas effects to a video and download the processed output. Experiment with video post-processing locally.
Audio Volume Normalizer - Online Loudness Equalizer
Adjust an audio file's volume to a target loudness level (e.g., -14 LUFS). Prevent clipping. Works in the browser.
Image Polar Coordinates - Online Swirl & Distort
Transform an image from rectangular to polar coordinates (and back). Create amazing circular swirl effects. Local canvas.
Water Ripple Effect - Online Apply Pond Distortion
Add a realistic water ripple or heat haze distortion to your image. Download the warped photo. Canvas manipulation.
Image to Binary Text - Online 1âBit High Contrast
Convert any photo into a stark 1âbit blackâandâwhite image (no grays). Adjust threshold. Save as PNG.
Image Border Frame Generator - Online Photo Frame Overlay
Add a decorative rectangular border/frame to your image. Adjust width, color, and shadow. Download the framed photo.
Image Round Corners - Online Add Border Radius Smoothly
Apply a precise rounded corner effect to an image by cropping with a mask. Download as transparent PNG. All local.
Image Text Watermark Tool - Online Batch Add Copyright
Add semi-transparent text watermark to images. Customize position, opacity, rotation, and font. Batch processing with instant download. Fully local & private.
Image Vignette Effect - Online Darken Edges
Add a soft vignette to your photo. Control radius, darkness, and feathering. Creates a classic photographic look.
Karaoke Echo Remover - Online Simple Audio Cleanup
Reduce reverb and echo from a vocal recording using a basic noise gate and filter. Quick cleanup for bad room acoustics.
CSV Viewer & Editor - Online Spreadsheet Tool
View and edit CSV data in a familiar table interface. Add/delete rows and columns, sort, and export. Fully local, no cloud sync.
Image Contrast Enhancer - Online Histogram Equalization
Automatically improve the contrast of dark or washedâout photos using histogram equalization. Oneâclick autoâtune. All canvasâbased.
Image Padding Tool - Online Add White Space Around Photo
Add customizable padding to any image. Make it square or fit a specific aspect ratio by adding whitespace. Download padded PNG.
Online SRT Subtitle Shifter - Adjust Timing & Sync
Load an SRT file and shift all timestamps forward or backward by milliseconds or seconds. Fix out-of-sync subtitles instantly. Download corrected file.
PDF Page Rotator - Online Fix UpsideâDown Pages
Select which pages to rotate left or right. Save the corrected PDF immediately. All local manipulation.
Image Resize & Pad - Online Fit Without Cropping
Resize an image to exact dimensions and add colored padding to fill the aspect ratio without cropping. Useful for profile grids.
Image Brightness & Contrast Slider - Online Photo Tune
Quickly adjust the brightness and contrast of an image with live preview sliders. Download the tuned photo. Canvas.
Posterize Image - Online Reduce Color Levels
Reduce the number of colors in your photo to create a bold, popâart poster effect. Adjust levels and download.
Color Splash Effect - Online Isolate a Single Color
Keep one selected color and turn the rest of the image to grayscale. Eyeâcatching selective color effect. Pure canvas.
Image Slicer Tool - Online Cut into Equal Parts
Slice any image into a grid of smaller images. Download as individual files or a single sprite sheet. For games or posts.
GIF Loop Counter - Online Change Play Count
Change how many times an animated GIF loops. Set to infinite or a specific number. Download the modified GIF.
Image Auto Crop Tool - Online Remove White Borders
Automatically crop transparent or solidâcolor borders from any image. Just drop the photo and get the tight crop.
Image Saturation Adjuster - Online Color Pop Editor
Increase or decrease the color saturation of your photo with a slider. Preview instantly. Download the edited image. Canvasâbased.
GIF Playback Speed Changer - Online Slow Down or Speed Up
Load an animated GIF and adjust its frame delay to make it slower or faster. Download the modified GIF. All local.
Text Overlay on Image - Online Add Caption & Watermark
Upload an image, write text, and place it anywhere. Choose font, size, and color. Download the combined image. Private.
Audio Joiner - Online Concatenate Multiple Files
Upload multiple audio files and join them into a single continuous track. Add crossfade. All local.
Online Audio Noise Reducer - Free Background Hum Remover
Remove constant background noise from a short audio clip using a realâtime noise gate and spectral subtraction. All processing stays in your browser.
Remove Specific Color - Online Extract or Delete Hue
Select a color in an image and completely remove it or make it transparent. Great for background removal experiments. Local.
Image Rotate & Flip Exact - Online 90° Steps
Rotate any JPEG or PNG by exact 90° increments or flip horizontally/vertically. Preserves original quality. Pure browser canvas.
Photo Weather Effects - Online Add Rain, Snow, or Fog
Add realistic rain, snow, or fog to any photo. Control intensity and direction. Download the atmospheric result.
Online Image Cropper by URL - Remote Image Edit
Enter an image URL, crop it interactively, and download the result. No upload. Works with any CORSâenabled image.
Image Color Temperature - Online Kelvin Filter
Adjust the color temperature of your image: move slider to make it warmer or cooler. Quick white balance fix. Local canvas.
Image Gradient Overlay - Online Add Color Tint
Apply a customizable gradient overlay to any image. Perfect for banners and social media. Download the result. Local.
Music Metadata Editor - Online ID3 Tag Viewer & Writer
View and edit ID3 tags of MP3 files, including title, artist, album, and artwork. All processing in your browser; no files uploaded.
Online Video Trimmer - Cut & Save Clips Locally
Set start and end times for a video and trim it without re-encoding. Download the clip. Pure browser.
Image Straighten Tool - Online Fix Crooked Horizons
Draw a line along the horizon and the tool rotates the image to make it perfectly level. Small rotation. Canvas editing.
Chromatic Aberration Effect - Online Fake Lens Distort
Shift red and blue channels to create a realistic chromatic aberration (lens distortion) effect. Download glitched photo.
Image Round Transparent Corners - Online Smooth Edge
Apply rounded corners to an image and keep the background transparent. Save as PNG. Perfect for avatars and icons.