Lightweight browser tools that run entirely on your machine.No, really—turn off your WiFi and they'll still work.
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Convert between Parquet, CSV, Excel, Arrow, and Avro formats, or query files directly with SQL.
Combine multiple PDF files into a single document.
Extract, reorder, and save specific pages from your PDF documents.
Convert Word documents and PDFs into clean Markdown for LLMs.
Convert YAML to JSON or JSON to YAML with validation and instant output.
Convert between JSON and Token-Oriented Object Notation (TOON) — a compact, human-readable format designed to reduce token usage in LLM prompts.
Convert DynamoDB AttributeValue JSON into regular JSON using the AWS SDK toolkit.
Convert all pages of a PDF into high-quality images (PNG, JPEG, or WebP).
Combine multiple images (PNG, JPEG, WebP, GIF) into a single PDF document.
Format, validate, and beautify your raw JSON data instantly.
Beautify complex SQL queries for Snowflake, Postgres, and more.
Inspect row groups, codecs, schema, footer metadata, and sample rows in Parquet files.
Inspect Arrow schema fields, field metadata, and sample rows in IPC files.
Paste any JSON and instantly generate a JSON Schema (Draft-07) inferred from its structure and types.
Compare two JSON schemas or objects side-by-side and see exactly what was added, removed, or changed.
Flatten nested JSON into key paths or reconstruct nested JSON from flattened keys.
Convert text to Base64 and back instantly with UTF-8 support.
Compress files into password-protected ZIP archives.
Refine and rephrase text by tone (professional, casual, commanding), fix spelling/grammar, add emojis or bullet points.
Generate MD5/SHA256 hashes and count lines for text files.
Validate credit card numbers using the Luhn checksum algorithm.
Verify retail barcodes (UPC-A, EAN-13, etc.) check digits instantly.
Validate Indian Aadhaar numbers using the Verhoeff algorithm.
Decode and inspect JSON Web Tokens (JWT) headers and payloads securely.
Create customizable QR codes for links, text, or Wi-Fi credentials instantly.
Generate UUIDs (RFC 4122), CUID identifiers, or cryptographic hash keys for APIs and databases.
Convert between Unix timestamps and readable dates, or transform times across timezones instantly.
Simulate cron schedules, preview next run times, and measure execution volume inside custom windows.