Pandam Tools
Free online tools in your browser — image convert/compress, metronome, launchpad, guitar tuner, animal voice piano, and more. No server upload.
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Popular tools
Tools people reach for most often
Remove BG
Remove image backgrounds with AI. Download the result as a transparent PNG.
Image Color Picker
Click any pixel in your image to extract HEX, RGB, and HSL values. Free online image color picker with palette generation and one-click copy.
JSON Formatter
Format and validate JSON in your browser. All processing happens locally—your data is never stored on a server.
QR Code
Generate QR codes from URLs or text. Adjust size and error correction, then download PNG.
Metronome
Set BPM and time signature for free practice. Runs in your browser with Web Audio API — no uploads.
Compress
Compress JPG, PNG, and WEBP images with quality control. See estimated size in real time.
Interval Timer
Set work and rest intervals for HIIT, Tabata, boxing, and home workouts. Free online interval timer that runs entirely in your browser.
Recently added
New tools on Pandam Utils
HTTP Tester
Send an HTTP request with a method, headers, and body, then inspect the status code and response. Copy the matching curl command.
HEIC → JPG
Convert iPhone HEIC/HEIF photos to JPG in your browser. Files are never uploaded to a server.
Crop Image
Crop by dragging and rotate images by 90 degrees. JPG, PNG, and WEBP are processed in your browser.
Images → PDF
Combine JPG, PNG, and WEBP images into one PDF. Processing stays in your browser.
Merge PDF
Combine multiple PDF files into one, in the order you choose. Nothing is uploaded to a server.
Split PDF
Split a PDF into separate pages or extract a page range in your browser. Files are not uploaded.
Compress PDF
Reduce PDF file size by re-encoding pages in your browser. Files are never uploaded.
Interval Timer
Set work and rest intervals for HIIT, Tabata, boxing, and home workouts. Free online interval timer that runs entirely in your browser.
AI Image Detector
Analyze whether an uploaded image may be AI-generated. Results are for reference only and are not 100% accurate.
SVG Asset Generator
Upload one SVG and generate Android and iOS PNG assets automatically. Create Drawables, App Icons, Image Sets, and Assets.xcassets for free.
Guitar Tuner
Detect guitar string pitch in real time with your microphone and tune accurately. Free online guitar tuner.
Animal Voice Piano
Play a cute lo-fi animal vocal synth tone on a piano keyboard. Free web tool with keyboard, touch, recording, and playback.
All tools
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Image conversion5
JPG → PNG
Convert JPG/JPEG images to PNG for free in your browser. Files are never uploaded to a server.
PNG → JPG
Convert PNG images to JPG/JPEG. Useful for smaller file size and compatibility.
JPG → WEBP
Convert JPG images to WEBP for web optimization and smaller file sizes.
WEBP → JPG
Convert WEBP images to JPG when you need broader compatibility.
HEIC → JPG
Convert iPhone HEIC/HEIF photos to JPG in your browser. Files are never uploaded to a server.
Image editing6
Compress
Compress JPG, PNG, and WEBP images with quality control. See estimated size in real time.
Resize
Resize images by width and height. Optional aspect ratio lock is supported.
Crop Image
Crop by dragging and rotate images by 90 degrees. JPG, PNG, and WEBP are processed in your browser.
Remove BG
Remove image backgrounds with AI. Download the result as a transparent PNG.
Image Color Picker
Click any pixel in your image to extract HEX, RGB, and HSL values. Free online image color picker with palette generation and one-click copy.
AI Image Detector
Analyze whether an uploaded image may be AI-generated. Results are for reference only and are not 100% accurate.
PDF conversion5
PDF → JPG
Convert each page of a PDF to JPG images in your browser. Nothing is stored on the server.
Images → PDF
Combine JPG, PNG, and WEBP images into one PDF. Processing stays in your browser.
Merge PDF
Combine multiple PDF files into one, in the order you choose. Nothing is uploaded to a server.
Split PDF
Split a PDF into separate pages or extract a page range in your browser. Files are not uploaded.
Compress PDF
Reduce PDF file size by re-encoding pages in your browser. Files are never uploaded.
Data & encoding2
Generate & build3
QR Code
Generate QR codes from URLs or text. Adjust size and error correction, then download PNG.
SVG Asset Generator
Upload one SVG and generate Android and iOS PNG assets automatically. Create Drawables, App Icons, Image Sets, and Assets.xcassets for free.
HTTP Tester
Send an HTTP request with a method, headers, and body, then inspect the status code and response. Copy the matching curl command.
Text & AI2
Prompt Enhancer
Turn short prompts into high-quality prompts for ChatGPT, Claude, Gemini, and Midjourney. Runs instantly in your browser.
Korean Name Romanizer
Convert Korean names, nicknames, and aliases into natural English spellings close to their pronunciation. View and copy multiple spelling candidates at once.
Music practice2
Play & create2
Audio testing4
Speaker Test
Test left, right, bass, mid and treble speakers with reference tones. Free online speaker test.
Stereo Test
Verify left/right channels, center balance, alternating output and stereo pan sweep online.
Tone Generator
Generate frequencies from 20Hz to 20kHz online. Includes 100Hz Research Mode, audio test tones, speaker testing, timer and stereo output.
Frequency Sweep
Sweep from 20Hz to 20kHz for speaker, headphone and hearing range testing. Custom range and loop support.
Noise & masking4
White Noise
Play white noise online with volume control and sleep timer. Runs entirely in your browser.
Pink Noise
Play pink noise online with volume control and sleep timer. Browser-based, no uploads.
Brown Noise
Play brown noise online with volume control and sleep timer. All processing in your browser.
Tinnitus Masking
Reference masking sounds with tone frequencies and white/pink/brown noise. Browser-based audio utility — not medical treatment.
40 tools available