Clear answers for everyday tools
Tiny guides for useful online tools.
Tiny Tool Guide helps you handle small practical tasks: calculate a tip, split a bill, convert a color, compare text, or choose a safer password.
Calculators
Simple guides for percentages, ratios, ages, salaries, random numbers, and everyday math.
Tipping & bill splitting
Simple guides for tips, totals, and splitting shared bills.
Color tools
Practical explanations of web color formats, contrast, and converters.
Developer utilities
Small browser utilities for JSON, Base64, diffs, timestamps, URLs, UUIDs, and text work.
Writing & content
Simple guides for word counts, character limits, placeholder copy, reading time, and publishing drafts.
Password security
Plain-English guidance for stronger passwords and safer online habits.
Music practice
Beginner-friendly guides for tempo, timing, metronomes, stopwatches, and focused practice.
Images & graphics
Practical guides for optimizing, cropping, resizing, and converting images for fast, good-looking websites.
Audio & sound
Practical guides for compressing, converting, and trimming audio so it sounds good and loads fast on the web.
Latest guides
Simple explanations before you open a tool
audio
How to compress audio for the web without losing quality
Learn how to compress audio for the web without wrecking the sound: bitrate, mono vs stereo, and a free in-browser tool to shrink files fast.
audio
How to convert WAV to MP3 for free
How to convert WAV to MP3 for free in your browser — no upload, no install. Pick a bitrate, shrink the file by up to 95%, and download.
audio
How to make an audio file smaller for email
How to make an audio file smaller for email and uploads: lower the bitrate, switch to mono, and trim — all free and private in your browser.
audio
How to trim an audio clip online for free
How to trim an audio clip online for free with a visual waveform editor — cut the part you need and export MP3 or WAV, no upload required.
audio
WAV vs MP3: which audio format should you use?
WAV vs MP3 explained in plain English: quality, file size, and when to use each — plus a free way to convert between them in your browser.
audio
What audio bitrate should you use?
What audio bitrate should you use for podcasts, music, and the web? A simple guide to kbps, quality, and file size with practical presets.
Useful tools
Useful tools mentioned in our guides
Some guides include a calculator, converter, or browser utility you can open when doing the task yourself.
security
Password Generator
Generate strong random passwords locally in the browser.
calculators
Tip Calculator
Calculate tips, totals, and bill splits quickly.
color tools
Hex to RGB
Convert hex colors to RGB values for CSS and design work.
developer tools
Diff Checker
Compare two blocks of text and highlight differences.
developer tools
JSON Formatter
Format, validate, and minify JSON in the browser.
developer tools
Base64 Encoder / Decoder
Encode and decode Base64 text, including URL-safe Base64.