Free Online Developer Tools
Access free online developer tools to encode strings, convert data schemas, and format or minify code instantly. No signup required. Fast, private, and secure.
Our developer tools aim to accelerate debugging and data transformation tasks for developers, data analysts, and sysadmins. All processing is strictly local to your browser, meaning your sensitive data and API responses are never transmitted over the internet to processing servers. Choose a utility below to get started instantly.
🔐 Base64 Encoder
The Base64 Encoder safely converts any plain text into Base64 format for use in URL endpoints, APIs, and data transfer.
🔓 Base64 Decoder
The Base64 Decoder instantly translates encoded Base64 strings back into human-readable text for quick debugging.
📋 JSON to XML
The JSON to XML tool automatically maps modern JSON payloads to properly structured XML files for legacy systems.
📋 XML to JSON
The XML to JSON tool turns verbose XML documents into lightweight, parsable JSON objects instantly.
📋 JSON to YAML
The JSON to YAML converter generates clean, formatted YAML configurations directly from your JSON data.
📋 YAML to JSON
The YAML to JSON converter easily parses YAML configuration files and returns standard strict JSON.
📊 JSON to CSV
The JSON to CSV tool flattens complex array-based JSON arrays into neatly bounded CSV records for spreadsheets.
📊 CSV to JSON
The CSV to JSON tool maps tabular CSV rows using headers directly into structured JSON object arrays.
📊 JSON to TSV
The JSON to TSV tool exports your JSON array lists into tab-separated values format.
📊 TSV to JSON
The TSV to JSON tool takes tab-delimited records and turns them into a standard JSON data array.
📋 XML to YAML
The XML to YAML converter extracts XML nodes and remaps them into easily readable YAML code blocks.
📋 YAML to XML
The YAML to XML tool takes minimalist YAML configuration code and expands it into extensive XML schema formats.
📊 XML to CSV
The XML to CSV tool digests complex, repetitive XML datasets and simplifies them into generic tabular CSV strings.
📊 CSV to XML
The CSV to XML converter generates proper data tables inside an XML wrapping for legacy software ingestion.
📊 XML to TSV
The XML to TSV tool seamlessly outputs XML arrays to standard tab-delimited files.
📊 TSV to XML
The TSV to XML tool restructures tab-separated document inputs effectively into formatted XML wrappers.
📊 YAML to CSV
The YAML to CSV tool converts YAML keys and block collections into horizontal comma-separated fields.
📊 CSV to YAML
The CSV to YAML tool converts columned CSV metrics back into readable YAML list properties.
📊 YAML to TSV
The YAML to TSV tool correctly translates human-readable YAML configurations to tabbed text segments.
📊 TSV to YAML
The TSV to YAML tool turns your TSV rows accurately directly into organized YAML sequences.
📊 CSV to TSV
The CSV to TSV tool easily replaces comma delimiters efficiently with standard tab spacing without disrupting actual column data.
📊 TSV to CSV
The TSV to CSV tool precisely turns tab separations into pure unescaped comma-value sheets.
💻 HTML Prettifier
The HTML Prettifier analyzes collapsed or messy markup strings and restores proper tag indentation and hierarchy instantly.
💻 HTML Minifier
The HTML Minifier permanently strips extra bytes of whitespace, tabs, and comments from page templates to shrink bandwidth usage.
📋 JSON Formatter
The JSON Formatter effortlessly validates and indents single-line blocks of JSON to present them in a highly readable view.
📋 JSON Minifier
The JSON Minifier removes any non-essential formatting blocks to minimize raw payload bytes over the wire.
Frequently Asked Questions
Do I need to sign up to use the developer tools?
No. All of our developer tools are 100% free and do not require any user interactions like signing up. Just use them whenever you like.
Is my data privacy compromised?
No. The validation and formatting all execute solely within your local browser API without remote execution endpoints.