How-to guides,
minus the fluff.
Short, practical walkthroughs for the file tasks people actually search for — each one links straight to the free Kitolity tool that does the job.
How to Extract Text from an Image (Free OCR, In Your Browser)
Turn a photo, screenshot, or scan into editable text with free OCR that runs entirely in your browser — your image is never uploaded. A step-by-step guide plus tips for the most accurate results.
Read the guideHow to Decode a JWT (and Verify It Safely)
Decode a JSON Web Token to read its header, payload, and claims, check whether it is expired, and verify an HMAC signature — all locally in your browser, without pasting it into an untrusted site.
Read the guideHow to Count Tokens in a Prompt (GPT & Claude)
Count the tokens in a prompt before you send it — to stay inside a model’s context window and estimate API cost. What a token is, why GPT counts are exact and Claude is an estimate, and how to check yours for free in your browser.
Read the guideHow to Convert a PDF to Word (Free, No Sign-Up)
Convert a PDF into a fully editable Word document in seconds — free, no watermark, no account. A step-by-step guide plus tips for keeping tables and formatting intact.
Read the guideHow to Compress a PDF (Reduce File Size Without Losing Quality)
Shrink a large PDF so it fits an email or upload limit — without turning the text blurry. A quick guide to the quality levels and what to expect.
Read the guideHow to Convert Word to PDF (Keep the Exact Layout)
Turn a Word document into a clean, shareable PDF that looks identical on every device — free, no sign-up. Step-by-step, plus why PDF beats sending a .docx.
Read the guideHow to Redact a PDF (Permanently Remove Sensitive Text)
Properly redact a PDF so the hidden text cannot be copied or recovered — not just a black box on top. A step-by-step guide to safe redaction, done privately in your browser.
Read the guideHow to Convert HEIC to JPG (iPhone Photos to a Universal Format)
Convert iPhone HEIC photos to JPG or PNG that open anywhere — free and completely private, since it runs in your browser. Step-by-step, plus why iPhones use HEIC.
Read the guideHow to Merge PDF Files (Combine PDFs Into One)
Combine multiple PDFs into a single document, in the exact order you want — free and private, right in your browser. Step-by-step, plus tips for large files.
Read the guideHow to Compress an Image (Reduce Photo Size Without Losing Quality)
Shrink JPG, PNG, and WebP images for faster websites, smaller emails, and storage — free and 100% private, since it runs in your browser. Step-by-step.
Read the guideHow to Format JSON (Beautify, Validate & Convert)
Prettify messy JSON, catch syntax errors, and convert JSON to YAML or CSV — free and private, all in your browser. A quick guide for developers.
Read the guideHow to Encode and Decode Base64 (Text, URLs & Data)
Encode text to Base64 and decode it back instantly — free and private, in your browser. Learn what Base64 is for and how to use it safely.
Read the guideHow to Convert CSV to JSON (Spreadsheet Data to API Format)
Turn CSV spreadsheet data into clean JSON for APIs and apps — free and private, in your browser. Step-by-step, plus how headers become keys.
Read the guideHow to Reorder, Rotate & Rearrange PDF Pages
Drag PDF pages into a new order, rotate them, and export a clean file — free, with the editing done privately in your browser. Step-by-step.
Read the guideHow to Translate a Document (Fast, Across Dozens of Languages)
Translate text and documents between dozens of languages in seconds — free, no sign-up. A quick guide, plus when to trust machine translation and when not to.
Read the guideHow to Format (Beautify) Code Online
Clean up and beautify messy code with consistent indentation — free and private, in your browser. Works for common languages; nothing is uploaded.
Read the guideHow to Write Markdown (With Live Preview)
Write Markdown and see it rendered live — free and private, in your browser. A quick primer on the syntax, plus where Markdown is used.
Read the guideHow to Test a Regular Expression (Regex) Online
Build and debug regular expressions against your own sample text, with live matches — free and private, in your browser. A practical guide for developers.
Read the guideHow to URL Encode and Decode (Percent-Encoding)
Safely encode text for URLs and decode it back — free and private, in your browser. Learn what URL encoding is and when you need it.
Read the guideHow to Count Words and Characters
Count words, characters, sentences, and paragraphs instantly — free and private, in your browser. Handy for essays, tweets, and meta descriptions.
Read the guideHow to Count How Often a Word or Phrase Appears
Find how many times a specific word or phrase occurs in your text — free and private, in your browser. Useful for keyword density and editing.
Read the guideHow to Generate a Hash (SHA-256, SHA-512) From Text
Generate cryptographic hashes from any text for checksums and integrity checks — free and private, in your browser. A quick, practical guide.
Read the guideHow to Convert XML to JSON
Turn XML into clean JSON for modern apps and APIs — free and private, in your browser. Step-by-step, plus how attributes and nesting are handled.
Read the guideHow to Convert Between Number Bases (Binary, Decimal, Hex)
Convert numbers between binary, decimal, hexadecimal, and octal — free and private, in your browser. A quick guide for developers and students.
Read the guideHow to Generate Lorem Ipsum (Placeholder Text)
Generate lorem ipsum placeholder text for mockups and designs — free and instant, in your browser. Learn what it is and when to use it.
Read the guideHow to Generate a UUID / GUID
Generate unique UUIDs (GUIDs) for keys, IDs, and records — free and instant, in your browser. Learn what UUIDs are and when to use them.
Read the guideHow to Compare Two Texts (Find the Differences)
Spot exactly what changed between two versions of text — free and private, in your browser. Great for drafts, configs, and copy edits.
Read the guideHow to Save and Reuse Clipboard Snippets
Keep frequently-used text snippets handy and paste them in a click — stored privately in your own browser. A quick guide to the clipboard workspace.
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