byteflow.tools
Format, encode, decode, inspect, and generate developer data in your browser. Most browser-local tools process locally, require no account, install as a PWA, and are open source for verification.
Choose your language
The root page is the x-default entry. Automatic locale detection is available, and every localized home remains directly accessible.
Popular tools
Start with common local workflows for JSON, JWT, Base64, hashing, URLs, and IDs.
JSON Formatter
Format, validate, and minify JSON payloads instantly.
JWT Decoder
Decode JSON Web Tokens instantly. Never sends your token to any server.
Base64 Encode/Decode
Encode text to Base64 format or decode it back to a readable string.
Hash Generator
Instantly generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
URL Encode/Decode
Encode text for safe URL transmission or decode it back to readable string.
UUID Generator
Instantly generate secure, random UUIDs (version 1 or 4) in bulk.
8 curated categories
Browse tools by task family, runtime privacy, and developer workflow.
Data & Code Formats
20 tools
Format, inspect, and convert JSON, YAML, XML, CSV, schemas, and code-oriented data formats.
Encoding & Crypto
19 tools
Encode, decode, hash, inspect tokens, and work with certificate and key material locally.
Web, API & Network
11 tools
Build, inspect, and debug HTTP, OpenAPI, URLs, user agents, headers, robots rules, and network data.
DevOps & Logs
8 tools
Parse environment files, scrub logs, inspect HAR files, build cron expressions, and prepare operations snippets.
Text & Regex
11 tools
Clean, compare, count, transform, and test text, Unicode, slugs, regular expressions, and markdown content.
Images, SVG & CSS
34 tools
Edit images, extract colors, optimize SVG, generate CSS visuals, and create local design assets.
Generators & Calculators
10 tools
Generate IDs, passwords, timestamps, QR codes, barcodes, random lists, and test data.
Social & Metadata
10 tools
Create open graph metadata, social previews, thumbnails, and share-ready social media assets.
Privacy-first by default
Browser-local tools process input and output on your device. Tools marked External request only contact the network when you explicitly run them, and the project keeps source code, privacy policy, and installable PWA behavior visible for review.