· HEIC to JPG
How to convert HEIC to JPG (without uploading your photos)
Convert iPhone HEIC photos to JPG in your browser. No upload, no software install. Works on Windows, Mac, Linux, anything with a browser.
Read guide →Guides
Long-form walkthroughs for the file workflows people actually need help with. 15 guides covering PDF manipulation, image processing, developer utilities, and the edge cases that catch people out.
· EXIF Viewer & Stripper
How to remove EXIF data and GPS coordinates from photos before sharing
Every phone photo carries hidden metadata — camera info, capture time, and GPS coordinates that reveal your location. Here is how to strip it.
Read guide → · Merge PDF
How to merge PDFs without Adobe Acrobat or uploading to a server
Combine multiple PDF files into one document. Free, in-browser, no upload, no account. A complete walkthrough plus the edge cases that trip people up.
Read guide → · PDF Watermark
How to add a watermark to a PDF (CONFIDENTIAL, DRAFT, or your own text)
Watermark every page of a PDF with CONFIDENTIAL, DRAFT, or your own text. Multiple positions, opacity control, runs entirely in your browser.
Read guide → · PDF OCR
How to OCR a scanned PDF to extract text (free, in-browser)
Run Tesseract OCR on a scanned PDF entirely in your browser. Get plain text out, no upload, no Adobe Acrobat Pro license.
Read guide → · SVG Optimizer
How to optimize SVG files for the web (typical 40–80% size reduction)
SVGs from Figma, Illustrator, and Inkscape are bloated with metadata. Here is how to strip the cruft and shrink them by half — without losing visual fidelity.
Read guide → · Favicon Generator
How to make a favicon for your website (all sizes, in one click)
Generate every favicon size browsers and OSes need — 16, 32, 48, 180, 192, 512 — from a single PNG or SVG. Plus the .ico bundle for legacy browsers.
Read guide → · String to JSON
How to unescape stringified JSON (paste from a log, get the real object)
When a JSON value gets stored as a string inside another JSON document, you need to unescape it before you can read it. Here is the fix in one click.
Read guide → · JSON Diff
How to compare two JSON files semantically (not just as text)
A text diff treats reordered keys as changed. A JSON diff understands structure. Use the right tool to spot the actual differences.
Read guide → · Background Remover
How to remove the background from a photo (in your browser, no Photoshop)
Free AI background removal that runs entirely in your browser. Good results for clean subject photos, honest about its limits for tricky ones.
Read guide → · Password Generator
How to generate strong passwords (and why password length beats complexity)
A short randomly-generated password is weaker than a long one. Here is how to pick the right entropy, and what makes a password actually hard to crack.
Read guide → · QR Code Reader
How to read a QR code from a screenshot or saved image
When the QR code is on a screen and you cannot point your camera at it, the upload-image flow works. Here is how, with the privacy implications spelled out.
Read guide → · Compress Image
How to compress images for the web without losing visible quality
Web images should be under 200 KB for typical photos. Here is how to compress JPG, PNG, and WebP files, and which format to pick when.
Read guide → · PDF Redaction
How to redact a PDF — and the visual vs. cryptographic redaction trap
Most "redaction" tools only draw black rectangles over text. The text is still in the file. Here is what works, what does not, and when you need Adobe Acrobat Pro.
Read guide → · File Hash Verifier
How to verify a download is genuine with SHA-256 (and why MD5 is not enough)
Checking a download against a published SHA-256 hash catches both corruption and tampering. Here is the workflow, and why MD5 only catches the first one.
Read guide →