Best Format Guides

Format recommendations for common workflows: web performance, APIs, logs, configuration, and media delivery.

Guide families Format Comparisons Best Format Guides Best Format for Convert Guides
15 Guides
Use these pages when you need one recommended default rather than an open-ended comparison.
Best Format Guides

Best Format Recommendations

Best Image Format for Web Performance

Use WebP by default for web image delivery with JPEG/PNG fallbacks.

Open Guide Open WEBP samples

Best Audio Format for Streaming

AAC is typically the default for streaming quality and compatibility.

Open Guide Open AAC samples

Best Video Format for Browser Playback

MP4 is usually the safest default for broad browser playback.

Open Guide Open MP4 samples

Best Document Format for Final Sharing

PDF is the best default for finalized, layout-stable document distribution.

Open Guide Open PDF samples

Best Data Format for APIs

JSON remains the default for most APIs, with Proto for strongly typed high-throughput services.

Open Guide Open JSON samples

Best Config Format for Application Settings

TOML is a strong default for structured app config; ENV works best for runtime overrides.

Open Guide Open TOML samples

Best Log Format for Observability

Structured JSON logs are best for indexing and analytics, while access log text remains operationally useful.

Open Guide Open JSON samples

Best Subtitle Format for Web Video

VTT is generally best for browser video delivery, with SRT as a compatibility fallback.

Open Guide Open VTT samples

Best Font Format for Web Delivery

WOFF2 is the preferred default for modern web font delivery.

Open Guide Open WOFF2 samples

Best Archive Format for Linux Distribution

TAR-based bundles are typically best for Linux-first distribution workflows.

Open Guide Open TAR samples

Best Image Format for Print Workflows

TIFF is generally the strongest default for print-centric imaging workflows.

Open Guide Open TIFF samples

Best Tabular Data Format for Analytics

CSV remains the default for analytics ingest, with TSV/JSON as situational alternatives.

Open Guide Open CSV samples

Best eBook Format for Digital Reading

EPUB is the strongest default for reflowable digital reading experiences.

Open Guide Open EPUB samples

Best Archive Format for Cross-Platform Download Bundles

ZIP is the best default for large cross-platform download bundles unless you are operating in a Unix-only deployment flow.

Open Guide Open ZIP samples

Best Format for Database Seed Replay

SQL is the best default when replay accuracy, transactions, and schema-aware setup matter more than raw interchange simplicity.

Open Guide Open SQL samples
How to Use These Pages

How to Use These Guides

Start with your compatibility constraints, then use each guide's decision factors to choose a default and fallback format.

Every recommendation links directly to sample files, manifests, and comparison pages for validation.