Hitting a "file too large" error right before an important upload is one of the most frustrating moments in any workflow. Whether you are a content creator trying to post a reel, a professional sharing a report over email, or a team member dropping a file into a project management tool, understanding the maximum file size allowed on each platform can save you real time and headaches. Every major platform enforces upload limits, and those limits vary widely depending on the file type, your account tier, and the specific feature you are using. This guide cuts through the noise and gives you a single, scannable reference for 2026.
Content Table
Key Takeaways:
- Every major platform enforces file size limits that differ by file type and account plan.
- Social media platforms are often the most restrictive, especially for video uploads on free accounts.
- Messaging apps like Discord and Slack have tight limits that catch users off guard.
- When a file exceeds any of these limits, compressing it before uploading is the fastest fix.
Why Platforms Have File Size Limits
File size limits exist for three core reasons: server costs, user experience, and performance. Storing and serving large files at scale is expensive. A platform with hundreds of millions of users cannot afford to let every user upload uncompressed 4K video without strict guardrails. Beyond cost, large files slow down load times for viewers and strain the platform's content delivery infrastructure. Finally, many platforms re-encode or re-compress uploaded files anyway, so sending a 10 GB raw video often produces the same final output as a well-compressed 2 GB file. Knowing the ceiling for each platform lets you prepare your files correctly the first time.
Social Media Platform File Size Limits
Social media is where file size limits cause the most friction for content creators. Here is a breakdown of the key limits across the major platforms.
Instagram File Size Limits
The Instagram file size limit for photos is 8 MB per image. For videos (Reels, Stories, and feed posts), the limit is 4 GB, but Instagram recommends keeping files under 650 MB for faster processing. Videos must be in MP4 or MOV format. Stories are capped at 4 GB per clip, and each clip can be up to 60 seconds long.
TikTok Video Size Limits
The TikTok video size limit depends on how you upload. Uploading from a mobile device caps files at 287.6 MB. Uploading from a desktop browser allows files up to 2 GB. Videos must be in MP4 or WebM format. TikTok recommends a resolution of at least 1080x1920 for vertical content.
YouTube, Facebook, X (Twitter), LinkedIn, and Pinterest
| Platform | Images | Videos | Other Files |
|---|---|---|---|
| YouTube | N/A (thumbnails: 2 MB) | 256 GB or 12 hours (whichever is smaller) | - |
| 4 MB per photo | 10 GB / 4 hours max | - | |
| X (Twitter) | 5 MB (JPG/PNG), 15 MB (GIF) | 512 MB (free), 8 GB (Premium) | - |
| 8 MB per image | 5 GB max, 10 minutes max | PDFs up to 100 MB (documents) | |
| 32 MB per image | 2 GB max | - |
Messaging App File Size Limits
Messaging apps are where users most often get caught off guard by file size limits. The Discord file size limit is a classic example: free accounts are capped at just 10 MB per file, while Nitro subscribers can upload files up to 500 MB. That 10 MB ceiling is easy to hit with a short video clip or a high-resolution photo.
| App | Images | Videos | General Files |
|---|---|---|---|
| 16 MB | 16 MB (compressed by app) | 2 GB (documents) | |
| Telegram | No practical limit for photos | 2 GB per file | 2 GB per file |
| Discord | 10 MB (free) / 500 MB (Nitro) | 10 MB (free) / 500 MB (Nitro) | 10 MB (free) / 500 MB (Nitro) |
| Slack | 1 GB per file | 1 GB per file | 1 GB per file |
WhatsApp is worth a special mention: while documents can be up to 2 GB, media files (photos and videos) are compressed automatically by the app. If you need to send an uncompressed video, send it as a document file instead. For more detail on preparing files for WhatsApp, see our guide on how to compress files for WhatsApp without losing quality .
Cloud Storage and Email File Size Limits
Cloud storage services are generally more generous than social or messaging platforms, but email remains a significant bottleneck.
| Service | Images | Videos / General Files | PDFs | Email Attachment Limit |
|---|---|---|---|---|
| Gmail | 25 MB (inline attachment) | 25 MB per email (use Drive link for larger) | 25 MB | 25 MB total per email |
| Outlook | 20 MB (varies by plan) | 20 MB per email | 20 MB | 20 MB (Microsoft 365: up to 150 MB) |
| Google Drive | 5 TB per file | 5 TB per file | 5 TB per file | N/A |
| Dropbox | 50 GB per file (Business) | 50 GB per file (Business) | 50 GB per file (Business) | N/A |
| WeTransfer | 2 GB (free) / 200 GB (Pro) | 2 GB (free) / 200 GB (Pro) | 2 GB (free) / 200 GB (Pro) | N/A |
Gmail's 25 MB attachment ceiling is one of the most commonly hit limits in professional settings. If your PDF report or presentation exceeds that threshold, the fastest workaround is to compress it first. Our complete guide to PDF compression walks through exactly how to do that without sacrificing readability. For Google Drive-specific workflows, see our guide on compressing images and files for Google Drive .
Productivity Tool File Size Limits
Project management and productivity platforms are often overlooked in these discussions, but they have strict limits that can disrupt team workflows.
| Tool | Images | General Files / PDFs | Notes |
|---|---|---|---|
| Notion | 5 MB (free) / unlimited (paid) | 5 MB (free) / unlimited (paid) | Free plan blocks uploads over 5 MB |
| Trello | 10 MB (free) / 250 MB (paid) | 10 MB (free) / 250 MB (paid) | Attachments per card |
| Asana | 100 MB per file | 100 MB per file | Applies to all attachment types |
Notion's free plan is particularly restrictive. A single design mockup or a brief screen recording can easily exceed 5 MB. Upgrading to a paid plan removes the limit, but compressing files before uploading is a practical zero-cost alternative for free users.
A Real-World Example
Consider a marketing manager who needs to share a product demo video with a client. The raw recording is 180 MB. Here is how that file performs across platforms:
- Email (Gmail): Blocked. The 25 MB limit means the file cannot be attached at all.
- Discord (free): Blocked. The 10 MB limit is far exceeded.
- Slack: Allowed. The 1 GB limit is not an issue.
- WhatsApp (as media): Blocked. The 16 MB media limit applies.
- WeTransfer (free): Allowed. The 2 GB free limit is well above 180 MB.
- LinkedIn (video post): Allowed. The 5 GB limit is not a concern.
The same file is accepted on some platforms and rejected on others. Compressing the video to under 16 MB would make it shareable across all of the above. That is a reduction from 180 MB to 16 MB, which sounds dramatic, but modern compression tools can achieve this for a short demo clip while keeping the output watchable. For users who frequently deal with mobile uploads, our guide on reducing file sizes for mobile users covers this in more detail.
Conclusion
File size limits are not going away. They are a fundamental part of how platforms manage infrastructure costs and maintain performance for all users. The good news is that once you know the exact ceilings for each platform, you can prepare your files before uploading rather than discovering the limit at the worst moment. Bookmark this guide as your go-to reference for 2026. When a file is too large, the fastest path forward is compression, not frustration.
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The Discord file size limit for free accounts is 10 MB per file. This applies to images, videos, and all other file types. Discord Nitro subscribers can upload files up to 500 MB. If you frequently hit this limit, compressing your files before uploading is the most practical free solution.
Instagram allows video uploads up to 4 GB for Reels, Stories, and feed posts. However, Instagram recommends keeping files under 650 MB for faster processing and better results. Videos must be in MP4 or MOV format, and Stories clips are limited to 60 seconds each.
Gmail's 25 MB limit exists to manage server load and ensure email delivery speed across all mail servers. Files larger than 25 MB are automatically converted to Google Drive links. To send large files as true attachments, you need to compress them below the threshold first.
When uploading from a desktop browser, the TikTok video size limit is 2 GB. Mobile uploads are capped at 287.6 MB. TikTok accepts MP4 and WebM formats and recommends a minimum resolution of 1080x1920 pixels for the best quality on vertical video content.
The two main options are compressing the file to bring it under the limit, or using a more permissive sharing method such as a Google Drive or WeTransfer link. Compression is usually faster and keeps the file in its original format. Tools like SimpleSize handle this directly in your browser with no signup required.