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Local image, audio and video tools

Inspect, optimize and convert images, SVG, audio and video files with browser APIs and no uploads.

18 browser-only tools · no upload required

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EXIF Inspector & Cleaner

Inspect hidden JPEG metadata, flag GPS privacy risks and export a cleaned local copy.

browser-onlyno upload
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SVG Studio

Preview, sanitize, minify and convert SVG assets into Data URI or JSX snippets.

browser-onlyno upload
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Image Optimizer

Compress and resize images locally with Canvas and native browser encoders.

browser-onlyno upload
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Responsive Image Builder

Generate srcset, sizes and picture markup from an image delivery plan.

browser-onlyno upload
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Palette Extractor

Extract dominant colors from images as HEX, OKLCH, CSS variables and Tailwind tokens.

browser-onlyno upload
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LQIP Placeholder Generator

Create tiny blurred image placeholders as Data URLs for perceived performance.

browser-onlyno upload
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Favicon & App Icon Builder

Generate modern PNG favicon and app icon sizes from one source image.

browser-onlyno upload
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OG Image Studio

Design and export 1200x630 social sharing images with local Canvas.

browser-onlyno upload
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Video Inspector

Read local video duration, resolution, MIME type and poster frame with browser APIs.

browser-onlyno upload
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Video Thumbnail Sheet

Seek through a local video and export a timestamped thumbnail contact sheet.

browser-onlyno upload
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Subtitle Toolkit

Convert SRT/VTT subtitles, apply timing offsets and detect timestamp issues.

browser-onlyno upload
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Image Diff

Compare two images on Canvas and highlight changed pixels for UI regression review.

browser-onlyno upload
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Waveform Poster

Decode audio locally and export a polished waveform cover image.

browser-onlyno upload
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Audio Loudness Meter

Estimate RMS, peak, crest factor and approximate LUFS from a local audio file.

browser-onlyno upload
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Media Safety Standard

A product checklist for local processing, memory pressure, cancellation and export limits.

browser-onlyno upload
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Audio Analyzer

Use your microphone to inspect live waveform, spectrum, RMS, peak, dBFS and rough pitch.

browser-onlyno upload
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Tone Generator

Generate sine, square, sawtooth and triangle tones in your browser for audio testing.

browser-onlyno upload
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Mermaid / Diagram Preview

Preview a safe Mermaid-inspired flowchart or sequence diagram subset as SVG.

browser-onlyno upload

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