pdf-toolsDecrypt a PDF to Edit or Print It
An encrypted PDF can block editing, printing and copying even after you've opened it. How to do it decrypting a file you own restores full control, while
4 mins read
The GigAI Tools Blog
Guides, tips and updates on the tools you use every day: page 12 of 21.
- pdf-tools
image-toolsEnlarge Photos Without Turning Them Blurry
Blur, blockiness and soft edges are the usual price of enlarging a photo. This is what causes each one, how AI super-resolution actually works, and the practical tricks to avoid fuzzy results.
4 mins read
video-toolsHow Browser-Based Video Editing Works (ffmpeg.wasm and the Privacy Angle)
How online video tools compress, convert and trim clips right inside your browser using ffmpeg.wasm. What stays private, what the real limits are, and when a server is still used.
6 mins read
audio-toolsHow to Boost Audio Volume Safely (Without Distortion or Clipping)
Why some audio is too quiet, how to raise the volume the right way, and how to add loudness without the crackle and distortion of clipping.
6 mins read
pdf-toolsRemove Blank or Extra PDF Pages
How blank sheets and stray pages sneak into a PDF, and the fastest, most private way to spot and remove them from a thumbnail grid without uploading a thing.
3 mins read
developer-toolsUUID vs NanoID: Which Unique ID Should You Use?
UUID v4, the new time-ordered UUID v7, or NanoID? A practical comparison of size, collision safety, database performance and URL-friendliness: with clear picks.
6 mins read- image-tools
Why Are My PNG Files So Large?
PNG files balloon for predictable reasons: losslessness, dimensions, colour depth and photographic content. This is what drives the size and how to fix it.
4 mins read - pdf-tools
Free OCR for PDFs: How It Works
Free OCR often means uploading your files to someone else's server. How to do it in-browser OCR reads scanned PDFs on your own device, and why that's
4 mins read 
image-toolsHow to Crop Photos for Instagram, Stories and Reels
The exact aspect ratios Instagram uses for the grid, Stories and Reels, and how to crop your photos to each one without awkward cut-offs.
4 mins read
Never miss a guide
New tools and how-to articles land regularly. Follow along however you like. No inbox required.