# compresto.app

> AI-optimized mirror of compresto.app containing 50 pages totalling 56,114 words of clean markdown content, structured data, and semantic HTML. Original source: https://compresto.app. Last updated: 2026-09-12T04:53:20.275Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Compresto - Video, Image & PDF Compression for macOS](/content/site-root.html): Compresto for macOS: Professional video, image & PDF compression tool. Reduce file sizes up to 90% without losing quality. Perfect for content creators and professionals. (415 words)

## Articles & Blog Posts

- [/v1/compress - Compresto Documentation](/content/docs/api-reference/endpoint/compress/index.html): Compress an image using file upload, URL, or base64-encoded data. Returns the compressed image binary with metadata in response headers. (376 words)
- [Deep linking - Compresto Documentation](/content/docs/integrations/deep-linking/index.html): Compresto supports deep linking, allowing you to integrate it into your workflow. Simply trigger a deep link to automatically launch Compresto and compress your files. (402 words)
- [Video FPS - Compresto Documentation](/content/docs/customization/video-fps/index.html): Set a target frame rate for video compression to reduce file size (242 words)
- [How to compress image - Compresto Documentation](/content/docs/guides/file-compression/how-to-compress-image/index.html): Reduce image file size while maintaining visual quality (247 words)
- [/v1/usage - Compresto Documentation](/content/docs/api-reference/endpoint/usage/index.html): Get current month's usage statistics for the authenticated API key. (248 words)
- [Hardware acceleration - Compresto Documentation](/content/docs/customization/hardware-acceleration/index.html): Use your Mac's GPU to speed up video compression (186 words)
- [Folder monitoring - Compresto Documentation](/content/docs/customization/folder-monitoring/index.html): Monitor folders for automatic compression (289 words)
- [Drop Zone - Compresto Documentation](/content/docs/customization/drop-zone/index.html) (283 words)
- [Confetti - Compresto Documentation](/content/docs/customization/conffeti/index.html): Show confetti animation when compression finishes (133 words)
- [Introduction - Compresto Documentation](/content/docs/api-reference/introduction/index.html): Everything you need to integrate the Compresto Image Compression API. (148 words)
- [AI renaming - Compresto Documentation](/content/docs/customization/ai-renaming/index.html): Automatically rename compressed files using AI-powered image recognition (340 words)
- [Video codec - Compresto Documentation](/content/docs/customization/video-codec/index.html): Choose between H.264 and H.265/HEVC encoding for video compression (182 words)
- [File metadata - Compresto Documentation](/content/docs/customization/file-metadata/index.html): Preserve image metadata, color profiles, and creation dates during compression (249 words)
- [CPU cores limit - Compresto Documentation](/content/docs/customization/cpu-cores-limit/index.html) (127 words)
- [WinRAR for Mac: There Is No GUI App — Here's What to Use Instead](/content/blog/winrar-for-mac/index.html): WinRAR for Mac does not exist as a graphical app. RARLAB ships a command-line RAR tool. Use Keka or The Unarchiver to open RAR files, and never download a 'WinRAR Mac' crack. (1,525 words, Sep 3, 2026)
- [How to Free Up iCloud Storage Without Paying for iCloud+ (or Deleting Your Photos)](/content/blog/how-to-free-up-icloud-storage/index.html): How to free up iCloud storage: see what is using the 5 GB, delete old device backups, empty Recently Deleted, and compress photos and videos so they stop eating the quota. (1,790 words, Sep 2, 2026)
- [Gmail Attachment Size Limit: 25 MB, the 33% Tax, and How to Get Around It](/content/blog/gmail-attachment-size-limit/index.html): The Gmail attachment size limit is 25 MB to send and 50 MB to receive on personal accounts. Enterprise Plus can go higher. Here's the real ceiling, and how to send the file anyway. (1,594 words, Sep 1, 2026)
- [Compresto v1.30 update: Target File Size for Images, Custom GIF Dimensions & Native Apple Silicon FFmpeg](/content/blog/compresto-1-30/index.html): A size-focused release with JPEG target file size, custom GIF dimensions, and a native arm64 FFmpeg build for Apple Silicon. (436 words, Aug 31, 2026)
- [WeTransfer Alternatives: 7 Ways to Send Large Files (and When Not To)](/content/blog/wetransfer-alternative/index.html): The best WeTransfer alternatives compared — free limits, expiry, encryption. Plus the option most people skip: making the file small enough to just email. (1,210 words, Aug 23, 2026)
- [How to Compress an Excel File (and Why XLSX Files Get So Large) | compress excel file](/content/blog/compress-excel-file/index.html): Compress an Excel file properly — find the real cause of the bloat inside the XLSX archive, fix used ranges, images and pivot caches, and know when .xlsb is the answer. | compress excel file (1,390 words, Aug 22, 2026)
- [Outlook Attachment Size Limit: What It Actually Is and How to Get Around It](/content/blog/outlook-attachment-size-limit/index.html): The Outlook attachment size limit is 20 MB, 25 MB or 150 MB depending on your account — not one number. Find yours, raise it where you can, and send the file anyway. (1,128 words, Aug 21, 2026)
- [tar vs ZIP: What's the Difference and Which Should You Use?](/content/blog/tar-vs-zip/index.html): tar vs ZIP compared: solid vs per-file compression, Unix permissions, random access and corruption behaviour. One archives, the other archives and compresses. (1,614 words, Aug 20, 2026)
- [AV1 Player: How to Play AV1 Video Files on Any Device](/content/blog/av1-player/index.html): AV1 video not playing? Green screen, no picture, or CPU at 100%. Here are the AV1 players that work on Mac, Windows, iPhone and Android, and when to convert. (1,611 words, Aug 19, 2026)
- [7-Zip vs WinRAR: Which Archiver Should You Use? | 7zip vs winrar](/content/blog/7-zip-vs-winrar/index.html): 7-Zip vs WinRAR compared on compression ratio, speed, encryption, recovery records and cost. Which one wins depends on one question about your files. | 7zip vs winrar (1,672 words, Aug 18, 2026)
- [Advanced Audio Coding (AAC): The Codec Explained](/content/blog/what-is-aac-codec/index.html): Advanced Audio Coding is the default audio codec in almost every MP4 you own. What AAC is, how its profiles differ, and which bitrate is actually enough. (1,769 words, Aug 17, 2026)
- [Slack File Size Limit: 1 GB Per File, and the Limits That Actually Bite](/content/blog/slack-file-size-limit/index.html): Slack's file size limit is 1 GB on every plan. The constraints that actually stop you are workspace storage and the 90-day free-plan window. Here's how to work with both. | slack file size limit (1,414 words, Aug 16, 2026)
- [What Is AVIF Format? Next-Gen Image Compression Explained](/content/blog/what-is-avif-format/index.html): AVIF format delivers images 40-60% smaller than JPEG at the same quality. What it is, where it wins, where it does not, and how to actually ship it. (1,604 words, Aug 15, 2026)
- [Google Photos Storage Full? How to Compress Photos and Get Space Back | compress photos for google photos](/content/blog/compress-photos-for-google-photos/index.html): What Storage Saver actually does to your photos, how to recover space from existing uploads, and why compressing before upload beats letting Google do it. | compress photos for google photos (1,386 words, Aug 14, 2026)
- [Premiere Pro Export Settings for Small File Size Without Losing Quality](/content/blog/premiere-pro-export-settings/index.html): The Premiere Pro export settings that control file size — bitrate mode, VBR passes, codec and render quality. Copy-ready configurations for YouTube, clients and social. (1,406 words, Aug 13, 2026)
- [DaVinci Resolve Export Settings for Smaller File Sizes](/content/blog/davinci-resolve-export-settings/index.html): Why Resolve exports are enormous, and the Deliver page settings that fix it — codec, quality mode, bitrate and audio. Ready-made configurations for YouTube, client review and archive. | davinci resolve export settings (1,378 words, Aug 12, 2026)
- [How to Compress a Zoom Recording (and Why It's So Big) | compress zoom recording](/content/blog/compress-zoom-recording/index.html): Zoom recordings run 200 MB to over 1 GB per hour. Why that happens, how to shrink them for email and Slack, and the Zoom settings that produce smaller files from the start. | compress zoom recording (1,330 words, Aug 11, 2026)
- [How to Compress Video for Telegram (Without Letting Telegram Do It)](/content/blog/compress-video-for-telegram/index.html): Telegram's file size limits, why sending as a file beats sending as a video, and the compression settings that keep quality intact. Free vs Premium limits explained. | compress video for telegram (1,352 words, Aug 10, 2026)
- [How to Reduce Screen Recording File Size on Mac](/content/blog/reduce-screen-recording-file-size/index.html): Why screen recordings are so large, how to shrink them after the fact, and the capture settings that keep them small in the first place. QuickTime, OBS and ffmpeg covered. | reduce screen recording file size (1,324 words, Aug 9, 2026)
- [Best HandBrake Settings for Compressing Video Without Losing Quality](/content/blog/best-handbrake-settings/index.html): The HandBrake settings that actually matter — RF values by resolution, encoder choice, preset speed, and the two-pass myth. With copy-ready configurations per use case. | best handbrake settings (1,864 words, Aug 8, 2026)
- [Hardware vs Software Video Encoding: When Each One Wins | hardware vs software encoding](/content/blog/hardware-vs-software-video-encoding/index.html): Hardware vs software video encoding compared — NVENC, Quick Sync and Apple VideoToolbox against x264 and x265. Real quality gaps, speed, and which to pick per job. | hardware vs software encoding (1,531 words, Aug 7, 2026)
- [7-Zip Compression Ratio: What You Actually Get, and What Costs What](/content/blog/7-zip-compression-ratio/index.html): Real 7-Zip compression ratios by file type, what the Ultra level actually buys, dictionary size and RAM trade-offs, and why your videos and photos barely shrink. (1,847 words, Aug 6, 2026)
- [VidCoder vs HandBrake: Same Engine, Different App](/content/blog/vidcoder-vs-handbrake/index.html): VidCoder vs HandBrake compared — VidCoder runs HandBrake's own encoding engine, so the real differences are interface, batching, platform support and Mac availability. (1,202 words, Aug 5, 2026)
- [Best Open Source Video Converters in 2026 (Actually Open Source)](/content/blog/open-source-video-converter/index.html): The genuinely open source video converters worth using — FFmpeg, HandBrake, Shutter Encoder, LosslessCut, Avidemux, MKVToolNix — and what each is actually good at. (1,735 words, Aug 4, 2026)
- [FFmpeg Scale Filter: Every Option You Actually Need](/content/blog/ffmpeg-scale/index.html): The FFmpeg scale filter explained — -1 vs -2, iw/ih expressions, force_original_aspect_ratio, scaling algorithms, padding, and why -s is not the same thing. (1,322 words, Aug 3, 2026)
- [x264 vs x265: The Encoder Comparison That Actually Matters](/content/blog/x264-vs-x265/index.html): x264 vs x265 explained — why they are encoders and not codecs, real bitrate savings, why CRF numbers do not transfer, encode time, and when each one is the right call. (1,817 words, Aug 2, 2026)
- [Keka vs The Unarchiver: Which Mac Archive Tool Should You Use?](/content/blog/keka-vs-the-unarchiver/index.html): Keka vs The Unarchiver compared — extraction-only versus full archiving, format support, encryption, splitting, and which one actually belongs on your Mac. (1,662 words, Aug 1, 2026)
- [How to Create Proxy Files for Video Editing (Premiere, Resolve, Final Cut) | how to create proxies](/content/blog/how-to-create-proxy-files/index.html): How to create proxies in Premiere Pro, DaVinci Resolve and Final Cut Pro — which codec to use, where to store them, and how to avoid the relinking problems. (1,457 words, Jul 31, 2026)
- [Best OBS Recording Settings: Quality, File Size, and the CBR Mistake](/content/blog/obs-recording-settings/index.html): OBS recording settings that actually work — why CQP beats CBR for recording, which encoder to pick, MKV vs MP4, and how to stop recordings eating your drive. (1,280 words, Jul 30, 2026)
- [Apple Compressor: What It Does, When You Need It, and When You Don't](/content/blog/apple-compressor/index.html): A practical guide to Apple Compressor — what the app is for, its key settings, how it extends Final Cut Pro, and whether you actually need it to make files smaller. (1,307 words, Jul 29, 2026)
- [JPEG XL: The Best Image Format You Still Cannot Ship](/content/blog/jpeg-xl/index.html): What JPEG XL is, how JXL compares to WebP and AVIF, why lossless JPEG recompression matters, and the browser support problem that keeps it off the open web. (1,470 words, Jul 28, 2026)
- [How to Compress a Word Document (and Why DOCX Files Get So Big) | compress word document](/content/blog/compress-word-document/index.html): Compress a Word document properly — find the bloat inside the DOCX archive, fix embedded images and revision history, and know when a PDF is the better answer. | compress word document (1,187 words, Jul 27, 2026)
- [YouTube Shorts Aspect Ratio and Size: The Specs That Actually Matter](/content/blog/youtube-shorts-size/index.html): YouTube Shorts aspect ratio, resolution, length and file size specs — plus the safe zones and export settings that decide whether your Short looks sharp. (1,274 words, Jul 26, 2026)
- [12 Best Free Video Compressors of 2026 (No Watermark, No Limits) | handbrake alternative](/content/blog/free-video-compression-software-like-hand-brake/index.html): We tested 12 free video compressors — shrink videos up to 90% with no watermark and no file-size limits. Best picks for Mac, Windows & online, plus HandBrake alternatives. (1,148 words, Jun 21, 2026)
- [YouTube Video Size Limits 2026: Max File Size, Format & Resolution Guide | youtube-video-size-limits](/content/blog/youtube-video-size-limits/index.html): YouTube allows up to 256 GB (512 GB verified). See the exact file size limits, supported formats, resolution specs, and how to compress before uploading. | youtube-video-size-limits (3,211 words, Dec 13, 2025)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/robots.txt): Crawler directives
- [AgentSite Network](https://agentsite.network/network.html): Public index of AgentSites and their machine-readable resources