X1 Lab

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Work faster offline: clean & convert text, encode/decode, hash, diff, test regex, format JSON/YAML/CSV, check color contrast—no accounts, tracking, or permissions.
AppTweak

Description
Work faster—without the cloud. 1xLab is your on-device toolbox for text and data. Clean messy text, convert between JSON/YAML/CSV, encode/decode, hash, generate IDs, test regex, diff two blocks, and check color contrast—all locally with zero permissions.

Format & case tools (trim, dedupe lines, sort, snake/camel/kebab/title)

Encoders/decoders (Base64, URL, HTML entities)

Secure hashers & IDs (MD5, SHA-1/256/512, UUID v4, NanoID, password generator)

JSON/YAML/CSV transforms and validators (pretty, minify, validate; CSV⇄JSON)

Regex tester with live match highlights & replace preview

Side-by-side or unified diff for quick comparisons

Color utilities with WCAG contrast and HEX/RGB/HSL convert

History, presets, and copy-to-clipboard actions

Privacy-first: no accounts, no analytics, no network calls

Why you’ll like it
Everything runs on your device, so it’s fast, reliable, and private—ideal for devs, writers, analysts, and anyone who works with text and data offline.