Developer utilities
that just work.
Format JSON. Decode Base64. Test regex. Pick colors. No signups, no ads between you and the tool, no server round-trips. Everything runs in your browser in under 200ms.
Pillar
Data & Format
JSON, YAML, XML, CSV, SQL, Markdown — convert, format, validate, diff.
- JSON Formatter • ready
- Text Diff • ready
- XML Formatter • ready
- YAML ↔ JSON Converter • ready
- Markdown Preview • ready
- SQL Formatter • ready
Pillar
Encoding & Crypto
Base64, URL, JWT, hashes, UUID, QR code, password.
- QR Code Generator • ready
- Password Generator • ready
- Number Base Converter • ready
- Base64 Encoder / Decoder • ready
- ROT13 / Caesar Cipher • ready
- URL Encoder / Decoder • ready
Pillar
Dev Productivity
Regex, cron, timestamps, HTTP, color, word counter, aspect ratio, case.
- Word Counter • ready
- Lorem Ipsum Generator • ready
- Color Picker • ready
- Subnet / CIDR Calculator • ready
- Case Converter • ready
- Regex Tester • ready
Pillar
Frontend & Design
CSS generators: Flexbox, Grid, shadow, favicon.
- Image Compressor • ready
- Favicon Generator • ready
- Pixel to REM Converter • ready
- Flexbox Generator • ready
- CSS Grid Generator • ready
- Box Shadow Generator • ready
Why Xerobit?
Private by default
Every tool runs 100% in your browser. Your data never hits our servers.
Sub-200ms response
No server round-trips. Zero loading spinners between input and result.
Written by engineers
Every tool is built by a working engineer who uses it daily.