Guides
All Picmu guides for image, video, and audio workflows
Browse the full Picmu guide library for image formats, web and email compression, print prep, privacy-first browser processing, practical video workflows, and practical audio workflows with honest browser support guidance.
How to use the library
Start with the decision you need to make, then open the route built for it.
Start here
The guides that prevent the most avoidable export mistakes
Use these first when you need to choose a format, reduce file size safely, or understand whether the browser is the right place for the job.
Website format guide
Best image format for websites
A practical website-focused guide to choosing between PNG, JPG, WebP, and AVIF.
Delivery guide
Compress an image for email or web
A practical compression guide built around common delivery destinations like email and websites.
Capability guide
Browser video capability limits
A guide to browser-native video support, MediaRecorder reality, playback limits, and why honest restrictions build trust.
Capability guide
Browser audio capability limits
A guide to browser-native audio support, decode constraints, MediaRecorder limits, and why route-level honesty matters.
Image formats and conversion choices
Compare formats, understand transparency tradeoffs, and choose the right destination before you export.
Practical guide
How to convert PNG to JPG
A practical guide to PNG-to-JPG conversion, transparency tradeoffs, and browser-only export choices.
Format guide
PNG vs JPG vs WebP vs AVIF
A format comparison guide focused on transparency, compatibility, compression, and real-world use cases.
Format decision guide
When to use PNG instead of JPG
A practical guide to deciding when PNG is the right format and when JPG is the wrong shortcut.
Website format guide
Best image format for websites
A practical website-focused guide to choosing between PNG, JPG, WebP, and AVIF.
Image delivery, compression, and resize
Use these guides when the goal is a smaller file, a cleaner resize, or a safer handoff for email and the web.
Delivery guide
Compress an image for email or web
A practical compression guide built around common delivery destinations like email and websites.
Optimization guide
Reduce image file size without ruining quality
A practical guide to shrinking image files with dimension, format, and compression decisions that work together.
Resizing guide
Resize without stretching
A practical guide to preserving aspect ratio and choosing safer resize settings for real image workflows.
Print, privacy, and repeatable image workflows
Prepare files for print, understand DPI clearly, keep processing local, and build a repeatable browser-first workflow.
Print guide
How to prepare an image for print
A practical guide to print readiness, required pixels, and honest print export decisions.
Print terminology guide
What 300 DPI means
A clear guide to DPI, physical size, and why the number alone does not make a small image print-ready.
Privacy guide
Browser-only privacy benefits
A guide to the privacy, trust, and workflow advantages of keeping image processing local in the browser.
Batch workflow guide
Batch image conversion explained
A practical guide to queue-based image processing, shared settings, and clean ZIP export workflows.
Icon guide
Create a favicon from an image
A practical guide to favicon prep, source selection, composition cleanup, and icon export.
Product listing guide
Prepare images for marketplaces
A practical guide to marketplace image prep, square framing, background choices, and product-card consistency.
Screenshot guide
Clean up a screenshot before export
A practical guide to screenshot cleanup for documentation, support replies, articles, and product communication.
Video formats, browser limits, and safe fallback paths
Learn where browser-native video workflows are dependable, where they are partial, and how to keep moving when export support is uneven.
Video compression guide
Compress video without breaking playback
A practical guide to smaller video files, container choices, and honest browser-native limits.
Video format guide
MP4 vs WebM
A clear comparison of MP4 and WebM for playback reach, browser export reality, and practical web delivery.
Video trim guide
Trim video in the browser
A guide to quick browser-native clip edits, capability checks, and realistic fallbacks.
Cross-media guide
Extract frames from video
A guide to local still-frame capture, timing, and image follow-up workflows.
Capability guide
Browser video capability limits
A guide to browser-native video support, MediaRecorder reality, playback limits, and why honest restrictions build trust.
Audio formats, browser limits, and local-first route decisions
Understand speech-friendly compression, trim realism, local waveform analysis, and where browser-native audio export is strong or limited.
Audio compression guide
Compress audio without ruining speech clarity
A practical guide to speech-first audio compression, bitrate choices, and honest browser-native export limits.
Audio format guide
WAV vs MP3 vs M4A vs Opus
A practical format guide for browser-native audio workflows, editing copies, and lighter delivery files.
Audio trim guide
Trim audio in the browser
A guide to browser-native audio trimming, waveform-backed region planning, and practical export paths.
Capability guide
Browser audio capability limits
A guide to browser-native audio support, decode constraints, MediaRecorder limits, and why route-level honesty matters.
Product guide
How local audio processing works in Picmu
A guide to Picmu's browser-native audio pipeline, local file handling, waveform analysis, and honest export constraints.
Keep going in Picmu
Move from the guide straight into a route that matches the job.
The guide library is connected to the live Picmu workspaces, so once the decision is clear you can continue without rebuilding the workflow from scratch.