Backend Tools
Encoding, data formatting, debugging, and command-line utilities for backend workflows.
Encoding, data formatting, debugging, and command-line utilities for backend workflows. Explore tools designed to speed up workflows, automate repetitive tasks, and improve productivity.
data-formatting
JSON Formatter & Validator
Format, validate, and minify your JSON
Base64 Encoder/Decoder
Encode and decode Base64 strings with support for different variants and file handling
CSV Viewer
Open CSV online with delimiter detection, table preview, filtering, and column extraction
JSON to TypeScript
Convert JSON to TypeScript, Zod, React Query & Prisma instantly
SQL Formatter
Format & beautify SQL for PostgreSQL, MySQL, BigQuery & 15 more
encoding
Regex Tester & Debugger
Test and debug regular expressions with real-time results
cURL Command Generator
Generate curl commands for APIs with auth, headers, query params, JSON, forms, and uploads
UUID/GUID Generator
Generate unique identifiers (UUIDs/GUIDs) for your applications
Chmod Calculator
Convert Linux file permissions between octal, symbolic, and visual grid formats
Text to Binary Converter
Convert text to binary
Binary to Text Converter
Convert binary to text
.gitignore Generator
Generate .gitignore files for any stack from 500+ technologies
Git Diff Viewer
Visualize git diffs with syntax highlighting, file tree and export options
AI Token Counter
Count OpenAI and Claude prompt tokens, inspect context fit, and spot token-heavy inputs
Email Header Analyzer
Parse raw email headers to inspect SPF, DKIM, DMARC, routing hops, and sender identity mismatches
IPv4 to IPv6 Converter
Generate IPv4-mapped, compatible, and 6to4-style IPv6 representations for IPv4 addresses
IPv6 to IPv4 Converter
Extract embedded IPv4 values from mapped, compatible, and 6to4 IPv6 address forms
Hash Identifier
Detect likely hash formats, password-hash schemes, and common digest ambiguities from raw values or batches
Cookie Scanner
Scan live pages for Set-Cookie flags, tracking categories, persistence, and consent banner signals
Number Base Converter
Convert binary, octal, decimal, and hexadecimal values with fixed-width, signed, unsigned, and byte-level views
Tech Stack Detector
Find what any website is built with — frameworks, hosting, analytics and more
Proxy Checker
Test proxy status, latency, anonymity level and location