bitlist — Privacy-First Tools That Run in Your Browser

All-in-One Online Tools for Fast, Private Workflows

bitlist is a privacy-first toolbox for developers, analysts, and teams who want results fast. Convert files, validate data, generate identifiers, and run network and finance calculators directly in your browser with no installation and no sign-up.

Quick Access

Based on your recent usage.

🧱 ASCII Art Text Generator

Create ASCII art banners from text with classic monospace fonts.

📦 Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings instantly.

⏰ Cron Expression Generator

Create and explain cron schedules.

🔧 DNS Lookup Tool Online

Run a DNS lookup by record type, review answers and TTLs, export JSON, copy results, and check propagation across public resolvers.

🔄 Data Converter

Convert JSON, YAML, CSV, and XML instantly with quoted CSV field support.

🧾 Debt Payoff Calculator

Estimate debt payoff time using snowball or avalanche strategies.

#️⃣ Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly.

🖼️ Image Tools

Convert, compress, and resize image files in bulk directly in your browser.

🧮 Interest Calculators

Simple and Compound Interest calculators.

💰 Investment Calculators

SIP, Step Up SIP, SWP, and Lumpsum investment calculators.

{} JSON Formatter

Validate, format, and beautify JSON data.

🔐 JWT Decoder

Decode and verify JSON Web Tokens (JWT) locally in your browser.

💸 Loan Calculators

Calculate your loan EMIs and interest.

📄 Lorem Ipsum Generator

Generate lorem ipsum placeholder text for layouts, wireframes, and content previews.

🏠 Mortgage Calculator Online

Calculate mortgage payments, total interest, and full monthly cost with taxes, insurance, and HOA. Compare down payments and loan terms.

📍 My IP Information

Check your public IPv4 and IPv6 addresses and location.

📚 PDF Tools

Merge, split, convert, and compress PDF files directly in your browser.

🔑 Password Generator

Generate strong, secure passwords instantly.

📱 QR Code Generator

Create QR codes for URLs, text, and more.

🔍 Regex Tester

Test and debug regular expressions.

🏖️ Retirement Planner

Estimate retirement savings, income, and contribution targets.

💾 SQL Formatter

Format and beautify SQL queries.

🎯 Saving Goal Calculator

Calculate savings goals, required contributions, and timelines.

⚖️ Text Diff Tool

Compare two text blocks and find differences.

⏳ Time Difference & Converter

Calculate date differences and convert time units.

⌨️ Typing Speed Test

Check your WPM and accuracy with this one-minute typing challenge.

🔗 URL Encoder/Decoder

Encode or Decode URLs securely in your browser.

✂️ URL Shortener

Shorten long URLs into clean, shareable links in seconds.

🆔 UUID Generator

Generate random UUIDs (v4).

📏 Unit Converter

Convert between common units of measurement.

🕒 Unix Timestamp Converter

Convert Unix timestamps to date-time and date-time back to Unix epoch values.

🛡️ WebRTC Leak Test

Check for WebRTC IP leaks in your browser.

🌐 Website Status & Reachability Checker

Check if a website is reachable from your browser and network.

📝 Word Counter

Advanced text analysis with word count, reading time, and keyword density.

🧩 cURL to Code Converter

Convert cURL commands into JavaScript, Python, and Node.js code snippets.

Frequently Asked Questions

Do these tools upload my data?

Most tools run entirely in your browser. If a tool requires remote processing, it will be labeled and described clearly on its page.

Are the results exact?

Outputs are calculated from your inputs. For finance tools, treat results as estimates and validate with lender or advisor data before making decisions.

Which tools are most popular?

Users typically start with PDF Tools, Image Tools, JSON Formatter, and the finance calculators for quick planning scenarios.