UV4 TOOLS

UV4 Tool Hub

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Image Converter

Upload Image: Convert to: JPG PNG WEBP

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Image Compressor

Upload Image: Quality (1-100): 75

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Image Cropper

Upload Image:

Crop X: Crop Y: Crop Width: Crop Height:

Cropped Image Preview:

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Video Converter (MP4 ↔ WebM)

Note: Browser-based video conversion is limited. This tool demonstrates basic conversion using MediaRecorder if supported.

Upload Video: Convert to: WebM MP4 (experimental, may not work in all browsers)

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Audio Converter (MP3 ↔ WAV)

Upload Audio: Convert to: WAV MP3 (limited browser support for encoding)

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Audio Trimmer

Upload Audio:

Start Time (seconds): End Time (seconds):

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Age Calculator

Date of Birth:

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EMI Calculator

Loan Amount: Annual Interest Rate (%): Loan Duration (Years):

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SIP Calculator

Monthly Investment: Annual Expected Return (%): Investment Duration (Years):

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QR Code Generator

Enter Text or URL:

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Password Generator

Password Length: 12

Uppercase

Lowercase

Numbers

Symbols

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Word Counter

Paste your text here:

Words: 0

Characters (no spaces): 0

Characters (with spaces): 0

Reading Time: 0 min

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Base64 Encoder/Decoder

Enter Text:

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Color Picker Tool

Pick a Color:

HEX:

RGB:

HSL:

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Text to Speech

Enter Text to Speak: Select Voice: Rate: 1 Pitch: 1

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Speech to Text

Click start and speak into your microphone.

Transcript:

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JSON Formatter

Paste JSON here:

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Unit Converter

Category: Length Weight Temperature Volume Time Value: From: To:

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BMI Calculator

Weight (kg): Height (cm):

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Timer / Stopwatch Tool

Timer

Set Timer (Minutes):

00:00

Stopwatch

00:00:00

Use Arrow Up and Arrow Down to select a turn, Enter to jump to it, and Escape to return to the chat.