JSON Pointer Flattener
Flatten nested JSON into escaped JSON Pointer paths and leaf values.
DataOpen tool ↗THE FEUTEX TOOLKIT
Tools for everyday tasks · Page 2
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1444 tools
CSV Column Data Profiler
Inspect column emptiness, unique values, numeric counts and numeric ranges.
DataOpen tool ↗JSON Merge Patch
Apply RFC 7396 merge-patch semantics; null removes an object property.
DeveloperOpen tool ↗JSON Patch Applier
Apply add, remove, replace, test, move and copy operations using JSON Pointer paths.
DeveloperOpen tool ↗Group JSON Records
Group a JSON array of records by a chosen property.
DataOpen tool ↗Join JSON Arrays by Key
Left-join object arrays on a unique key from the right-hand array.
DataOpen tool ↗Deduplicate JSON Records
Remove structurally identical JSON values while ignoring object key order.
DataOpen tool ↗Rename JSON Properties
Recursively rename object keys using an explicit mapping, rejecting collisions.
DataOpen tool ↗Redact Sensitive JSON Keys
Replace values under sensitive key names at any nesting depth.
SecurityOpen tool ↗Infer JSON Schema from a Sample
Generate a conservative structural schema from one JSON sample.
DeveloperOpen tool ↗JSON Property Byte Breakdown
Measure serialized UTF-8 sizes of top-level JSON property values.
DeveloperOpen tool ↗JSON Array to NDJSON
Serialize each array item on its own newline-delimited JSON line.
DataOpen tool ↗JSON Object to Entry Pairs
Convert an object to ordered key/value tuples for tabular processing.
DataOpen tool ↗JSON Numeric Array Statistics
Calculate count, sum, mean, median, extrema and population variance.
CalculatorsOpen tool ↗CSV Table Transposer
Swap rows and columns of a rectangular CSV table.
DataOpen tool ↗CSV Column Selector
Select and reorder named CSV columns.
DataOpen tool ↗CSV Row Filter
Filter a CSV column by text, empty values or numeric comparisons.
DataOpen tool ↗CSV Grouped Sum
Sum a numeric column grouped by a categorical column.
DataOpen tool ↗CSV Left Join
Join CSV tables on a key, preserving unmatched left rows.
DataOpen tool ↗CSV Wide to Long Converter
Turn value columns into variable/value rows while keeping an identifier.
DataOpen tool ↗CSV Long to Wide Converter
Pivot identifier, variable and value columns into a wide table.
DataOpen tool ↗CSV Column Splitter
Split a named column into two fields at the first separator.
DataOpen tool ↗CSV Numeric Row Sorter
Sort CSV records ascending by a finite numeric column.
DataOpen tool ↗CSV Formula Neutralizer
Prefix potentially formula-interpreted cells with an apostrophe.
SecurityOpen tool ↗CSV Header Renamer
Rename CSV headers using a JSON mapping without changing cell values.
DataOpen tool ↗CSV Table Concatenator
Append rows from a second table, aligning columns by header name.
DataOpen tool ↗CSV Row Difference
Report rows present only in one of two same-schema tables.
DataOpen tool ↗CSV Empty Column Remover
Drop columns whose data cells are all blank or whitespace.
DataOpen tool ↗Text N-Gram Counter
Count repeated sequences of adjacent words with a configurable n-gram length.
TextOpen tool ↗Unicode Code Point Inspector
List Unicode code points and UTF-8 bytes for each character.
TextOpen tool ↗Invisible Character Audit
Locate selected invisible and directional control code points.
TextOpen tool ↗Unicode Normalization Audit
Compare NFC, NFD, NFKC and NFKD normalization forms.
TextOpen tool ↗Email Address Extractor
Extract common ASCII email address shapes and remove duplicates.
TextOpen tool ↗HTTP URL Extractor
Extract HTTP and HTTPS links from plain text without requesting them.
TextOpen tool ↗Line Set Comparison
Find shared and exclusive lines in two lists, ignoring duplicate occurrences.
TextOpen tool ↗Duplicate Line Frequency Report
Report repeated lines with counts and original line numbers.
TextOpen tool ↗Paragraph Line Wrapper
Wrap each existing line at word boundaries to a chosen maximum width.
TextOpen tool ↗Line Prefix & Suffix Builder
Add a prefix and suffix to every line while preserving line order.
TextOpen tool ↗Sensitive URL Parameter Redactor
Redact selected query parameters and URL credentials from a list of links.
SecurityOpen tool ↗Bulk URL Structure Auditor
Inspect a URL list for duplicates, insecure schemes, credentials and fragments.
SEOOpen tool ↗URL Query Parameter Merger
Merge query key/value pairs into a URL, preserving fragments.
DeveloperOpen tool ↗Raw HTTP Request Parser
Parse an HTTP/1 request line, unfolded headers and body as text.
DeveloperOpen tool ↗Raw HTTP Response Parser
Parse an HTTP/1 response status line, headers and textual body.
DeveloperOpen tool ↗HTTP Link Header Parser
Inspect simple Link header entries with URL targets and parameters.
DeveloperOpen tool ↗Cookie Request Header Parser
Parse Cookie header name/value pairs, preserving duplicate cookie names.
DeveloperOpen tool ↗Set-Cookie Attribute Inspector
Inspect a single Set-Cookie header and flag common attribute omissions.
SecurityOpen tool ↗HTTP Basic Authorization Decoder
Decode a Basic authorization value and split username from password.
SecurityOpen tool ↗Dotenv to JSON Converter
Parse simple environment assignments with literal quoted values.
DeveloperOpen tool ↗No matching tools.