ByteTools Blog
Blog
Guides and how-tos for getting the most out of every ByteTools utility. See every guide in the archive.
Latest posts
Page 79 of 80 · 1584 posts in total.
- Guide
How to Compress Images Without Losing Quality (Free)
Learn how to compress JPG, PNG and WebP images in your browser, cut file size by up to 80%, and keep photos sharp — free, private, no uploads.
- Guide
How to Get a HEX Color Code From Any Image Online
Pick colors from any photo online to get exact HEX, RGB and HSL values with one click. A free, private in-browser eyedropper for designers and developers.
- Guide
Pick and Convert HEX, RGB and HSL Colors Online
Pick any color and get its HEX, RGB and HSL values with one-click copy, plus auto-generated shades and tints, in a free private browser color picker.
- Guide
How to Build a Color Palette From a Single Color
Learn how to turn one brand color into complementary, analogous, triadic and monochromatic palettes using color-wheel math, all in your browser.
- Guide
Character Counter: Stay Within Every Platform Limit
Count characters live and check Twitter/X, Instagram, meta description and SMS limits as you write, all privately in your browser with no uploads.
- Guide
How to Change Image DPI to 300 Without Losing Quality
Learn how to change an image to 300 DPI online in seconds. A lossless, browser-based method that rewrites metadata without touching a single pixel.
- Guide
Case Converter Guide: Fix Capitalization in One Click
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more online, with a clear guide to which case style to use when.
- Guide
Fix Duplicate Content with rel=canonical Tags
Learn when and how to use rel=canonical tags to consolidate duplicate URLs, and generate a correct canonical link online with URL normalization.
- Guide
Generate Secure Random Bytes for Keys and Salts
Create cryptographically secure random bytes online as hex, Base64 or a binary file. A practical guide to sizing keys, salts, IVs and tokens.
- Guide
How to Fix Dark Photos: Brightness & Contrast Online
Adjust image brightness and contrast online with live sliders. Brighten dark photos, tame washed-out scans and add punch, free and private in your browser.
- Guide
How to Add Breadcrumb Schema to Your Pages
Build BreadcrumbList JSON-LD from simple name and URL rows so Google shows a readable trail like Home > Guides > SEO instead of a raw URL in your snippet.
- Guide
Understanding Your BMI: What the Number Really Means
Calculate your Body Mass Index in metric or imperial units, learn the WHO weight categories, and see when BMI is and isn't a reliable guide.
- Guide
How to Blur an Image Online for Free (No Upload)
Blur an image online with an adjustable Gaussian blur slider. Great for backgrounds, redacting screenshots and placeholders, private and free in your browser.
- Guide
Binary and Bitwise Math Made Easy: A Practical Guide
Add binary numbers, run AND, OR, XOR and bit shifts, and convert between binary, decimal, hex and octal with a free browser calculator that shows every base.
- Guide
Convert Base64 to an Image and Download It (Free Guide)
How to decode a Base64 string or data URL back into a viewable, downloadable image online. Instant preview, automatic format detection, fully private.
- Guide
How to Base64 Encode Text and Files (UTF-8 Safe)
Learn how to Base64 encode text and files correctly in your browser, why btoa() breaks on emoji, and when to reach for URL-safe base64url output.
- Guide
How to Decode Base64 to Text or a File Online
Decode any Base64 string back to readable text or the original file in your browser. Handles base64url and missing padding automatically, fully private.
- Guide
How to Make Code 128 Barcodes Online (Free Guide)
Learn how to create scannable Code 128 barcodes online for shipping labels, inventory tags and asset IDs — free, private and ready to download as PNG.
- Guide
AVIF Won't Open? Convert AVIF to JPG in Seconds
Can't open an AVIF file in Photoshop or Windows Photos? Convert AVIF to JPG in your browser for instant compatibility — free, private, no uploads.
- Guide
Article Schema Markup for Blog Posts and News
A practical guide to generating Article, NewsArticle and BlogPosting JSON-LD with headline, author, publisher and dates so your posts shine in Search and Discover.