Blog

Step-by-step guides for the InTab tools and in-depth explainers for developers: tokens, hashing, encryption, formats and more.

• A jwt.io alternative with no trackers, and PASETO too 2026-11-06 · 5 min read
  We pasted the same token into jwt.io and InTab and watched the network: what each sends, what runs on the page, and where each is stronger.
• What is a REST API? Resources, verbs and the rules that matter 2026-11-06 · 11 min read
  REST explained from first principles: resources, HTTP methods, statelessness, a full worked example, and the rules professionals actually follow.
• SOAP APIs in depth: envelopes, WSDL and when SOAP still wins 2026-11-06 · 9 min read
  How a SOAP call really works, what WSDL and WS-Security give you, where SOAP refuses to die, and what professionals choose instead.
• HTTP status codes explained: what to return and when 2026-11-06 · 10 min read
  Every status code that matters for API work, the mistakes even good teams make, and which codes clients automatically retry.
• Designing API responses: errors, envelopes and pagination that professionals choose 2026-11-06 · 10 min read
  Bare resources or envelopes, RFC 9457 errors, cursor vs offset pagination, idempotency keys — with the trade-offs, decided.
• Naming conventions for APIs, JSON, databases and files 2026-11-06 · 8 min read
  Plural resources, camelCase vs snake_case, table and column names, file naming per ecosystem — one consistent scheme you can copy.
• A private alternative to JSONFormatter and CodeBeautify 2026-11-01 · 6 min read
  After 80,000 saved JSON snippets were exposed on two popular formatters: how they compare, and what to check before you paste.
• Smallpdf and iLovePDF alternatives that never upload your PDF 2026-11-01 · 6 min read
  How each one handles your file, what they do better, and when a PDF tool that runs in your browser is the safer choice.
• PASETO tokens: the complete guide 2026-10-24 · 10 min read
  How v4.local and v4.public tokens work, claims, footers, implicit assertions, key management and moving from JWT.
• Storing passwords safely: Argon2id vs bcrypt vs scrypt vs PBKDF2 2026-10-24 · 7 min read
  Why fast hashes fail, which algorithm to pick, the OWASP settings, salts and peppers, and upgrading old hashes without resets.
• AES encryption explained: GCM vs CBC vs CTR, IVs and keys 2026-10-24 · 8 min read
  What each mode protects against, why nonces must never repeat, turning a password into a key, and the mistakes behind real breaches.
• UUID v4 vs v7: choosing IDs for your database 2026-10-24 · 7 min read
  How to read a UUID, what every version contains, why random keys slow databases down, and when v7 is the better default.
• What is a JWT? JSON Web Tokens explained 2026-10-22 · 3 min read
  The three parts of a token, what the claims mean, how signatures work and the mistakes to avoid.
• What is Base64, and when should you use it? 2026-10-22 · 2 min read
  How Base64 turns bytes into text, why it grows data by a third, and when a data URL is a good idea.
• Hashing vs encryption: what is the difference? 2026-10-22 · 2 min read
  One is a fingerprint, the other is a lock. Which to use for passwords, files and secrets.
• JSON vs YAML vs XML: which format should you use? 2026-10-22 · 2 min read
  The same data in three formats, where each one shines, and the errors people hit most often.
• URL encoding explained 2026-10-22 · 2 min read
  Why spaces become %20, which characters need escaping, and encodeURI vs encodeURIComponent.
• Regular expressions: a practical cheat sheet 2026-10-22 · 2 min read
  The 20% of regex syntax you will use 80% of the time, with patterns you can copy.
• How to make a professional invoice in two minutes 2026-10-22 · 2 min read
  What every invoice needs, how to fill in the invoice generator, and how to send it as a PDF.
• QR codes for business: Wi-Fi, menus, contact cards and logos 2026-10-22 · 2 min read
  Which QR code to make for each job, how to add your logo safely, and printing tips that keep codes scannable.
• How to turn a scanned PDF into an editable Word document 2026-10-22 · 2 min read
  Use OCR to read the text from scanned pages, then download a .docx you can edit.
• EAN, UPC, Code 128 or ISBN? Choosing the right barcode 2026-10-22 · 2 min read
  Which barcode retail, warehouses and books need, and how to make hundreds at once.
• Write once in Markdown, export a PDF and a PowerPoint 2026-10-22 · 2 min read
  Write your content as plain text, then pick a layout and a palette for a document or a slide deck.