Tools Nimbus

Guides

Practical, no-fluff guides for developers and writers. Each one walks through a real task and points you at the free browser-based tools that get it done, with nothing uploaded anywhere.

What is a cron job and how do you read one

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Cron jobs explained.

Best free Wi-Fi QR code generator

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Wi-Fi QR codes.

Why does my URL show %2520

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix double encoding.

Best free word counter for students

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Essay word counts.

Best free online UUID generator

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. UUID generator.

JPG vs PNG: what is the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. JPG vs PNG.

Best free online regex tester

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Regex tester.

Best free diff checker for code review

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Code review diffs.

Why is my JWT invalid

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix invalid JWTs.

Why is my SHA-256 hash different

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix hash mismatches.

SHA-1 vs SHA-256: what is the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. SHA-1 vs SHA-256.

Best free online binary to decimal converter

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Binary to decimal.

Best free lorem ipsum generator for designers

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Placeholder text.

Best free online URL encoder and decoder

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. URL encode/decode.

UUID vs GUID: what is the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. UUID vs GUID.

Why is my Base64 decode showing garbled text

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix garbled Base64.

Best free case converter for developers

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Dev case styles.

Best free online hex to decimal converter

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Hex to decimal.

Why is my regex not matching

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix regex matching.

Best free color palette generator for web design

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Palette picks.

HTML entities vs URL encoding: the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. HTML vs URL encode.

Why is my Unix timestamp showing 1970

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix the 1970 bug.

Best free online SHA-256 hash generator

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. SHA-256 picks.

Best free slug generator for SEO-friendly URLs

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Slug tool picks.

Encoding vs encryption vs hashing: the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. The three explained.

Best free image compressor for email attachments

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Compress for email.

How to fix Unexpected token errors in JSON

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Fix JSON fast.

Why is my QR code not scanning

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. 9 QR fixes.

Base64 vs Base64URL: what is the difference

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Base64 guide.

Free alternative to base64decode.org

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Vs base64decode.org.

Free alternative to UUIDGenerator.net

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Vs UUIDGenerator.net.

Free alternative to Diffchecker

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs Diffchecker.

Free alternative to WordCounter.net

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs WordCounter.

Free alternative to regex101

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs regex101.

Free alternative to epochconverter.com

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs epochconverter

Best free password generator that works offline

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Offline, no account.

Best free QR code generator that doesn't expire

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Static QR, no expiry.

Free alternative to jwt.io

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs jwt.io.

Free alternative to TinyPNG

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs TinyPNG.

Free alternative to JSONLint

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Free vs JSONLint.

Best free online JSON formatter that works offline

Tools Nimbus is a free, no-signup developer toolkit that runs entirely in your browser, so your data is never uploaded to a server. Works offline.

JSON Formatting vs Minifying: When to Use Each

Learn when to pretty-print JSON for debugging and when to minify it for production, plus how validation and indentation actually work.