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AI tools
AI Product Fair Price Research
Submit a product URL or a plain-language request to compare sellers and similar products, estimate a fair price range, and surface purchase checks.
123eggs Building something fun, one tool at a time
Free online tools
ready when you need them
123eggs is a free online tool service for calculators, image and PDF conversion, random picks, tests, public data, and developer utilities—ready in your browser with no installation.
Google sign-in is optional. We use your basic profile and email only to identify your account and sync favorites across devices. Every tool remains available without signing in.
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Services you may like
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Images & documents
Image Compressor & Resizer
Import SVG, JPG, PNG or WebP images, then resize, compress and export them as JPG, PNG or WebP.
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AI tools
Portrait Background Remover
Remove portrait backgrounds with on-device AI and save a transparent PNG.
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Images & documents
Merge & Split PDF
Merge PDFs, extract pages, rotate documents or turn images into a PDF.
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Images & documents
Word & Character Counter
Count words, characters, lines and UTF-8 bytes in real time.
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Tests & devices
Reaction Time Test
Click when the screen changes color and measure your reaction time in milliseconds.
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Calculators & life
Scientific Calculator
Calculate trigonometric functions, logarithms, powers and factorials with memory and calculation history.
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Calculators & life
D-Day Calculator
See exactly how many days remain until a special date.
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Search & data
Global Weather & Outfit Guide
Check current conditions, a 5-day forecast and air quality for any city, with practical umbrella and outfit tips.
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Random picks
Name Wheel
Paste names or choices and spin an animated wheel to pick a winner.
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Creator & streaming
AI Auto Captions for Shorts & Reels
Transcribe short videos, edit word timing, and export a captioned MP4 or SRT file.
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Audio & video
Video to GIF Converter
Trim part of a video and turn it into a GIF entirely in your browser.
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Developer tools
JSON Formatter & Validator
Format JSON with readable indentation and find syntax errors before using the data.
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Calculators & life
Official Exchange Rate Calculator
Convert currencies with ECB reference rates and compare their 90-day trend.
Small but useful
We start with lightweight tools you can use right away, no sign-up required.
Public data made friendly
We turn complex datasets into everyday questions and simple screens.
A little fun, too
Tests and mini games will keep joining the collection.