New
64
Base64 Encoder/Decoder
Developer
Encode UTF-8 text to Base64 or decode Base64 to text.
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Developer tools
Format, validate, encode and transform development data directly in your browser. These focused utilities are designed for fast debugging and preparation tasks.
22 total tools22 available now0 coming soon
22 tools
New
IMG
Base64 to Image
Developer
Decode and download Base64 image data URLs.
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🎨
Color Converter
Developer
Convert HEX colors to RGB and RGB colors to HEX.
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CSS
CSS Minifier
Developer
Conservatively reduce CSS comments and whitespace.
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{}
CSV to JSON Converter
Developer
Parse CSV with headers into structured JSON.
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#
Hash Generator
Developer
Generate MD5 and SHA hashes from UTF-8 text.
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</>
HTML Escape/Unescape
Developer
Escape HTML-sensitive characters or decode entities.
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HTML
HTML Minifier
Developer
Remove HTML comments and collapse safe whitespace.
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64
Image to Base64
Developer
Convert an image into a complete Base64 data URL.
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JS
JavaScript Minifier
Developer
Conservatively reduce JavaScript comments and whitespace.
Open Tool💻
JSON Formatter
Developer
Format JSON beautifully.
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CSV
JSON to CSV Converter
Developer
Convert arrays of JSON objects into CSV data.
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✓
JSON Validator
Developer
Validate JSON syntax and inspect formatted output.
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JWT
JWT Decoder
Developer
Decode JWT headers and payloads without verification.
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.*
Regex Tester
Developer
Test JavaScript regular expressions and capture groups.
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R13
ROT13 Encoder
Developer
Encode or decode text using the ROT13 substitution cipher.
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/-
Slug Generator
Developer
Turn text into a clean, SEO-friendly URL slug.
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⏱
Unix Timestamp Converter
Developer
Convert Unix timestamps and local date/time values.
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%
URL Encoder/Decoder
Developer
Safely encode or decode URL components in your browser.
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URL
URL Parser
Developer
Inspect URL components and query parameters.
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#
UUID Generator
Developer
Generate one or multiple random UUID v4 identifiers.
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XML
XML Formatter
Developer
Validate and format XML with readable indentation.
Open ToolCategory slug: developer
Questions
Developer tools FAQ
Are Kivrum Developer tools free?
Kivrum's available browser tools can be used without a paid subscription. Planned tools remain clearly marked as coming soon.
How many Developer tools are available?
This category currently contains 22 catalog entries, with 22 available to use now.
Do available tools process data locally?
Implemented local tools process their inputs in the browser unless a tool page explicitly documents otherwise. Coming-soon pages do not claim active processing.