Utilities
Handy everyday tools that don't fit a single box — validators, formatters and more.
Data Format Converter
Convert data between CSV, TSV, JSON, and NDJSON (JSONL) in any direction — auto-detects the source, infers types, unions keys. Free, in-browser, no upload.
Files to Prompt
Bundle multiple files into one LLM-ready prompt: a directory tree, fenced file contents, and a token estimate. Free, in your browser, nothing uploaded.
Fuzzy Text Search
Paste text and fuzzy-search it — find the best-matching lines even with typos, ranked by relevance with the matches highlighted. Runs in your browser, no upload.
GPX Analyzer
Paste a GPX file to get total distance (km and miles), elevation gain/loss, duration, average speed and pace — in your browser. Nothing is uploaded.
IBAN Validator
Validate an IBAN with the mod-97 checksum and parse out the country, bank, and account — instantly, in your browser. Nothing is uploaded, free.
Log Parser
Free log parser — auto-detects JSON/NDJSON, logfmt, syslog and Apache/nginx access logs into a filterable table, JSON, or CSV. Runs in your browser, no upload.
Phone Number Formatter & Validator
Parse, validate and format any international phone number — E.164, national and international formats, country and line type. Free, in-browser.
PII Tokenizer
Replace emails, phones, IPs, cards and SSNs with deterministic, format-preserving tokens. Same value maps to the same token, so data stays linkable. No upload.
QIF / OFX to CSV Converter
Convert QIF, OFX and QFX bank exports to clean normalized CSV in your browser — Date, Amount, Payee, Memo, Category and more. Free, private, no upload.