All Developer Tools (105)
Browse the complete Phase 1 and Phase 2 catalog of fast, free, client-side utilities across seven focused categories.
Word Counter
Count words in supplied text.
Character Counter
Count characters in supplied text.
Text Statistics
Provide a combined text-analysis dashboard.
Whitespace Remover
Remove or normalize unwanted whitespace.
Text Cleaner
Combine common text-cleaning operations in one workflow.
Case Converter
Convert text between common writing and code cases.
Find & Replace
Find selected text/patterns and replace matches.
Find & Remove
Remove selected text or matching patterns.
Remove Duplicate Lines
Remove repeated lines while preserving unique lines.
Sort Lines
Sort multiline input into a predictable order.
Text Diff
Compare two text inputs and highlight differences.
Text Joiner/Splitter
Join multiple lines or split text using a delimiter.
JSON Formatter
Format valid JSON into readable indented JSON.
JSON Validator
Check JSON syntax and return actionable errors.
JSON Minifier
Minify valid JSON without changing its data values.
JSON Viewer
Display JSON as an interactive readable structure.
JSON Tree Viewer
Display JSON as an interactive readable structure.
JSON Sorter
Sort JSON object keys in a predictable order.
JSON Flatten
Convert JSON nested → flat key paths.
JSON Unflatten
Convert JSON flat key paths → nested JSON.
JSON Diff
Compare two JSON documents structurally.
JSON Path Tester
Test JSONPath-style expressions against JSON.
JSON Key Extractor
Extract keys or key paths from JSON.
JSON Key Remover
Remove selected keys from JSON.
JSON → CSV
Convert JSON records into CSV.
CSV → JSON
Convert CSV rows into JSON objects.
UUID Generator
Generate selected UUID version identifiers.
UUID Validator
Validate UUID strings and identify version when possible.
UUID v4 Generator
Generate UUID v4 identifiers.
UUID v7 Generator
Generate UUID v7 identifiers.
Random ID Generator
Generate configurable random identifiers.
Regex Tester
Test a regular expression against text.
Regex Replace
Replace regex matches in text.
Regex Extractor
Extract regex matches and capture groups from text.
Unix Timestamp Converter
Convert Unix timestamps and human-readable dates.
Timezone Converter
Convert a date/time between time zones.
URL Parser
Break a URL into its standard components.
Cron → Human Readable
Translate a cron expression into readable language.
Base64 Encoder
Encode text/data using Base64.
Base64 Decoder
Decode text/data using Base64.
Base64 URL Encoder
Encode text/data using URL-safe Base64.
Base64 URL Decoder
Decode text/data using URL-safe Base64.
URL Encoder
Percent-Encode text for URL use.
URL Decoder
Decode Percent-Encoded text for URL use.
HTML Encoder
Encode HTML special characters/entities as text.
HTML Decoder
Decode HTML special characters/entities as text.
Hex Encoder
Convert data to/from hexadecimal (encode text/data as hexadecimal).
Hex Decoder
Convert data to/from hexadecimal (decode hexadecimal into text/data).
Password Generator
Generate cryptographically secure passwords with configurable character classes.
Password Strength Checker
Analyze password strength locally and provide actionable guidance.
Hash Generator
Generate MD5 and SHA-family hashes from text.
HMAC Generator
Generate keyed HMAC signatures with browser cryptography.
HMAC Validator
Compare an expected HMAC using constant-time byte comparison.
JWT Decoder
Decode JWT header, payload, signature and time claims without implying verification.
JWT Generator
Generate signed development JWTs using an approved HMAC algorithm.
JWT Validator
Validate supported JWT HMAC signatures and inspect claims.
Fernet Key Generator
Generate Fernet-compatible URL-safe encryption keys.
Fernet Encrypt
Encrypt UTF-8 text into a standards-compatible Fernet token.
Fernet Decrypt
Authenticate and decrypt a Fernet token.
AES Encrypt / Decrypt
Encrypt or decrypt text with authenticated AES-GCM.
RSA Key Pair Generator
Generate RSA public/private key pairs locally.
RSA Encrypt / Decrypt
Encrypt or decrypt short data using RSA-OAEP.
RSA Sign / Verify
Create and verify RSA-PSS signatures.
Secret / Token Generator
Generate cryptographically secure application secrets.
Random Bytes Generator
Generate cryptographically secure random byte representations.
Checksum Generator
Generate CRC32, MD5 and SHA integrity checksums.
SQL Formatter
Format SQL with configurable dialect, indentation and keyword casing.
SQL Minifier
Remove SQL comments and unnecessary whitespace while preserving quoted values.
SQL Validator
Check supported SQL structure and report actionable diagnostics.
SQL Beautifier
Beautify SQL through the shared formatter engine.
SQL to JSON
Convert delimited SQL result rows into JSON objects.
SQL to CSV
Normalize tabular SQL result data as CSV.
SQL to INSERT
Generate dialect-aware INSERT statements from tabular rows.
INSERT to SQL
Parse supported INSERT statements into structured table data.
SQL IN Clause Generator
Generate safely escaped SQL IN expressions from lists.
SQL WHERE Clause Builder
Build WHERE clauses from structured conditions.
SQL Table Generator
Generate CREATE TABLE statements from column definitions.
SQL UPDATE Generator
Generate UPDATE statements with an explicit condition.
SQL DELETE Generator
Generate DELETE statements with a visible missing-WHERE safeguard.
SQL JOIN Generator
Generate JOIN queries from table and key definitions.
SQL Query Explainer
Explain supported query structure locally without AI or execution.
CSV Viewer
Inspect CSV in a searchable, sortable and paginated table.
CSV Formatter
Normalize delimited data with configurable quoting and line endings.
CSV Validator
Validate CSV quoting and row structure with row diagnostics.
CSV to JSON
Convert CSV rows into JSON objects with optional type detection.
JSON to CSV
Convert JSON arrays into CSV with nested-field handling.
CSV to TSV
Convert comma-separated data to tab-separated data.
TSV to CSV
Convert tab-separated data to comma-separated data.
CSV Column Extractor
Extract selected columns from a dataset.
CSV Column Remover
Remove selected columns from a dataset.
CSV Column Renamer
Rename CSV columns without modifying source rows.
CSV Sorter
Sort CSV rows by a selected column and direction.
CSV Filter
Filter CSV rows with explicit column operators.
CSV Deduplicator
Remove duplicate rows using whole-row or selected-column keys.
CSV Merger
Merge datasets while aligning columns by header.
CSV Splitter
Split CSV into locally downloadable row chunks.
CSV Transpose
Transpose rows and columns.
CSV Statistics
Profile rows, missing values, uniqueness and numeric columns.
CSV to Markdown Table
Convert CSV into escaped Markdown table syntax.
JSONL Formatter
Validate and normalize JSON Lines one value per line.
JSONL to JSON
Convert newline-delimited JSON into a JSON array.
JSON to JSONL
Convert a JSON array into newline-delimited JSON.
Delimited Text Converter
Convert between comma, tab, pipe, semicolon and custom delimiters.
Data Cleaner
Trim, normalize and clean structured delimited data.
Column / Row Counter
Count rows, columns, empty values and duplicate structures.