JASAG 100pcs Premium Rewritable UID Smart Card
4.6Editor score
100 piece bulk pack
MIFARE Classic 1K compatible
Unique encrypted ID per card
In this guide
Blank rewritable rfid cards are essential for access control and identification systems. They allow you to store data that can be changed multiple times. Finding the right card depends on frequency compatibility and memory size for your specific needs.
We compared ten leading products based on chip technology, durability, and user reviews. Each option supports different standards like MIFARE or T5577 for various applications. Our analysis highlights key features to help you make an informed purchase decision today.
Each pick shows detailed specifications and real-world performance insights from verified users. We focus on compatibility with common readers and writing tools for seamless integration. Keep in mind that availability and offers may change frequently on major online marketplaces.
Top 3 Picks for Best Blank Rewritable Rfid Cards
LEXI 20pcs Rewritable UID Smart Card
4.2Editor score
13.56MHz frequency support
Over 100k rewrite cycles
Compatible with door access
80 Pcs MIFARE Classic 1K RFID Cards
4.7Editor score
Secure F08 M1 chip
Factory locked UID block
High durability for commercial use
Top 10 Best Blank Rewritable Rfid Cards in 2026 Compared
This table provides a side-by-side comparison of all ten reviewed products. It highlights key specifications like frequency, chip type, and included quantities to help you compare options quickly.
ProductsSpecificationsEditor scorePrice
Editor's Choice
LEXI 20pcs Rewritable UID Smart Card
Frequency: 13.56MHz
Chip: MIFARE 1K S50
Count: 20 Cards
Rewrite: 100,000 times
4.2Editor score
Editor's Choice
30 Pack NTAG Ultralight EV1 NFC Cards
Frequency: 13.56MHz
Chip: NTAG Ultralight EV1
Memory: 48 Bytes
Count: 30 Cards
4.1Editor score
Best Premium
YARONGTECH 125khz writable rewrite
Frequency: 125kHz
Chip: T5577
Count: 20 Cards
Printable: Zebra Fargo Evolis
4.5Editor score
12 Pack 125khz writable rewrite Blank White
Frequency: 125kHz
Chip: T5577
Count: 12 Cards
Material: PVC 0.8mm
4.5Editor score
10Pcs T5577 Writable RFID Cards
Frequency: 125kHz
Chip: T5577
Count: 10 Cards
Thickness: 1.8mm
5.0Editor score
100 Pack 125khz writable rewrite Blank White
Frequency: 125kHz
Chip: T5577
Count: 100 Cards
Material: PVC 0.8mm
4.5Editor score
JASAG 100pcs Premium Rewritable UID Smart Card
Frequency: 13.56MHz
Chip: MIFARE 1K S50
Count: 100 Cards
Rewrite: 100,000 times
4.6Editor score
80 Pcs MIFARE Classic 1K RFID Cards
Frequency: 13.56MHz
Chip: F08 M1
Count: 80 Cards
Secure: Factory Locked UID
4.7Editor score
5 Pack T5577 125kHz Rewritable RFID Cards
Frequency: 125kHz
Chip: T5577
Count: 5 Cards
Usage: DIY Projects
12 PCS T5577 Thick Smart Cards
Frequency: 125kHz
Chip: T5577
Count: 12 Cards
Thickness: 1.8mm
4.7Editor score
1. LEXI 20pcs Rewritable UID Smart Card – Best Overall 13.56MHz Option
LEXI 20pcs Rewritable UID Smart Card
Frequency: 13.56MHz
Chip: MIFARE Classic 1K
Memory: 1K Byte
Rewrite: 100,000 times
This LEXI pack offers reliable performance for users needing 13.56MHz RFID solutions. With a rating of 4.2 stars, it stands out for its compatibility with standard access control systems. The cards support reading and writing over 100,000 times ensuring longevity for daily tasks.
Pros
- High rewrite durability
- Works with 100MHz readers
- Sector Block 0 programmable
Cons
- Requires specific writer tools
- Limited to 13.56MHz only
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The primary strength lies in its full compatibility with MIFARE Classic 1K protocols. This makes it ideal for door access and membership applications where memory organization matters. Each card features a unique encrypted ID that can be reprogrammed for specific user needs securely.
A trade-off is that these cards only work with high-frequency readers. Users with older 125kHz systems will find them incompatible without adapters. Additionally, block 0 sector programming requires technical know-how which might challenge casual DIYers.
If you manage access control for an office or small business, this pack provides the right balance of durability and functionality. It is best for those who already possess compatible 13.56MHz readers and need bulk replacement cards quickly.
High Frequency Compatibility
Designed for ISO/IEC 14443A protocol ensuring smooth data transfer with modern readers.
Durable PVC Material
Built with waterproof PVC to resist wear during repeated daily use in various environments.
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2. 30 Pack NTAG Ultralight EV1 NFC Cards – Best for Short Term Access
30 Pack NTAG Ultralight EV1 NFC Cards
Frequency: 13.56MHz
Chip: NTAG Ultralight EV1
Memory: 48 Bytes
Data Retention: 10 Years
These EV1 NFC cards are designed for temporary access and event tickets. With a 4.1 rating, they offer strong security features like OTP and ECC signatures. Users appreciate the durable material that withstands bending and scratching in busy environments.
Pros
- Waterproof and scratch resistant
- Long-term data retention
- Anti-collision support
Cons
- Small memory capacity
- Requires unlocking to use
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The standout feature is the comprehensive security mechanism including password protection. This makes them suitable for visitor authorization where you need to prevent unauthorized copying. The anti-collision function allows multiple cards to be read simultaneously without signal interference.
However, the 48-byte memory limits complex data storage. You cannot store large files or extensive user profiles on these cards. Also, the factory lock requires sending specific commands via NFC Tools before you can write any data.
Choose these cards for short-term events or visitor passes where security is a priority. They are not recommended for long-term membership storage due to limited memory space but excel in controlled access scenarios.
Security Features
Includes ECC originality signature and OTP area to prevent unauthorized tampering and data leakage.
Printable Surface
Matte blank white surface supports thermal sublimation for custom logo printing on demand.
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3. YARONGTECH 125khz writable rewrite – Best Low Frequency Hotel Keys
YARONGTECH 125khz writable rewrite
Frequency: 125kHz
Chip: T5577
Count: 20 Cards
Printer: Zebra Fargo Evolis
This pack targets users needing low-frequency solutions for hotel or guest access. With a 4.5 rating, the original T5577 chip ensures reliability for cloning tasks. The cards are blank until written making them safe for secure distribution after setup.
Pros
- Original T5577 chip
- Compatible with hotel locks
- Printable on standard card printers
Cons
- Cannot be read before programming
- Requires ID writer for use
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The key strength is compatibility with hotel key locks and standard 125kHz readers. You can write various ID formats including H ID WG to match existing systems. The blank white surface works well with Zebra and Fargo printers for custom branding.
Note that these chips do not have pre-programmed IDs meaning they are useless without a writer. If you lack a 125kHz copier you must buy one separately to utilize these cards. This extra step adds cost to the initial purchase.
These are ideal for small hotels or offices with existing 125kHz infrastructure. Buy this if you need reliable blank cards for printing and programming guest keys without security restrictions.
Printer Compatibility
Surface designed for direct thermal transfer printing on professional card printers like Zebra or Fargo.
Chip Reliability
Original T5577 chip supports multiple ID formats for versatile cloning capabilities.
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4. 12 Pack 125khz writable rewrite Blank White – Best Value Pack
12 Pack 125khz writable rewrite Blank White
Frequency: 125kHz
Chip: T5577
Count: 12 Cards
Thickness: 0.8mm
This option provides a practical balance of quantity and price for small projects. With a 4.5 rating, users find these cards effective for duplicate tasks and time attendance systems. The included lanyard holes make them easy to wear for staff identification purposes.
Pros
- Affordable pricing option
- Supports proximity card duplication
- Lanyard punch hole included
Cons
- Not readable pre-programming
- Thin profile may scratch easily
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The main benefit is the support for EM4100 and TK4100 ID card duplication. This allows you to replace lost keys without reprogramming the entire system. The standard credit card size ensures they fit in wallet slots or badge holders easily.
One limitation is the thin 0.8mm profile which might not withstand rough use long-term. You should laminate them if you expect heavy daily handling. Also ensure your writer supports T5577 specifically as not all copiers do.
Choose this pack for cost-effective replacement cards in residential or office settings. It is best for users who already own a 125kHz writer and need immediate replacements.
Proximity Duplication
Can copy duplicate EM4100 TK4100 ID cards making replacement simple for lost keys.
Standard Size
Standard credit card size fits most badge holders and wallet compartments comfortably.
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5. 10Pcs T5577 Writable RFID Cards – Best for Compatibility
10Pcs T5577 Writable RFID Cards
Frequency: 125kHz
Chip: T5577
Count: 10 Cards
Thickness: 1.8mm
These cards have achieved a perfect 5.0 rating indicating high user satisfaction with reliability. They are built with thick PVC material offering better durability than standard thin cards. Users appreciate the wide compatibility with various access control formats out of the box.
Pros
- Perfect 5.0 rating
- Compatible with many formats
- Thick durable construction
Cons
- Requires programming before use
- Not for metal surfaces
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The primary advantage is the support for H10301 and other common proximity formats. This flexibility makes them a go-to choice for technicians who encounter different reader standards frequently. The thick design also helps them last longer in physical handling.
Note that these are blank and must be programmed with a writer before reading. They should not be placed on metal surfaces without anti-metal stickers for optimal performance. This limitation is standard for most standard RFID cards.
If you need a reliable card for general access control testing or replacement this is a top choice. The perfect rating suggests fewer compatibility issues compared to other T5577 options available.
Format Support
Designed to work with 1386 1326 and H10301 formats for broad reader compatibility.
Durable Thickness
1.8mm thickness provides increased strength against bending and wear over time.
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6. 100 Pack 125khz writable rewrite Blank White – Best Bulk Option
100 Pack 125khz writable rewrite Blank White
Frequency: 125kHz
Chip: T5577
Count: 100 Cards
Material: PVC 0.8mm
This bulk pack offers significant value for larger organizations needing many replacement cards. With a 4.5 rating, users confirm the quality matches individual packs but at a better price point. It is ideal for hotels or schools issuing cards to many people.
Pros
- Large quantity included
- Cost efficient per card
- Good for large teams
Cons
- Thin material
- Requires programming
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The key feature is the sheer volume of 100 cards in one order. This eliminates the need for frequent reordering when staff or membership numbers grow. The T5577 chip ensures consistent performance across the entire batch.
Keep in mind that these are thin 0.8mm cards so consider lamination for long-term use. You will also need a writer for all 100 cards which requires time or automation. This may not suit users needing just a few cards.
Choose this for large events or facility management where cost per unit matters. It is the best option if you need to equip dozens of users simultaneously without breaking the budget.
Bulk Efficiency
100 cards in one package reduce the cost per unit significantly for large deployments.
Scalability
Perfect for scaling up membership or employee access programs quickly and economically.
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7. JASAG 100pcs Premium Rewritable UID Smart Card – Best High Frequency Bulk
JASAG 100pcs Premium Rewritable UID Smart Card
Frequency: 13.56MHz
Chip: MIFARE 1K S50
Count: 100 Cards
Rewrite: 100,000 times
This premium pack provides a high-quality solution for businesses needing secure RFID cards. With a 4.6 rating, it offers robust performance for access control with 100 cards. The MIFARE Classic 1K compliance ensures compatibility with most commercial readers.
Pros
- Secure UID rewriting
- Premium quality chip
- Large 100 piece pack
Cons
- Limited to 13.56MHz
- No NFC phone support
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The standout feature is the ability to rewrite the UID securely. This allows custom IDs for different access levels within your system. The large count ensures you have spares ready for any lost or damaged cards without delay.
One trade-off is that these do not support NFC phone writing for some apps. They are strictly for industrial or access control readers. Also the 13.56MHz frequency means they won't work with older low-frequency systems.
Select this for offices needing reliable and secure access cards in bulk. It is the best pick for those who need UID rewriting capabilities without compromising on quality.
Secure UID Change
Supports secure UID rewriting allowing flexible access control management for different users.
Industrial Grade
Built with PVC material designed for high-frequency commercial use in business environments.
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8. 80 Pcs MIFARE Classic 1K RFID Cards – Best Secure Non-Rewritable Option
80 Pcs MIFARE Classic 1K RFID Cards
Frequency: 13.56MHz
Chip: F08 M1
Count: 80 Cards
Security: Factory Locked UID
These cards offer a secure non-rewritable solution for environments where ID tampering is a concern. With a 4.7 rating, users confirm they work reliably with most standard RFID readers. The factory locked UID prevents cloning which enhances overall system security.
Pros
- Secure UID protection
- Compatible with ACR122U
- High durability rating
Cons
- UID cannot be altered
- Not compatible with iPhone writes
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The primary strength is the compatibility with professional writing devices like ACR122U. This ensures stable data reading and writing for employee attendance or hotel access. The durable PVC material withstands daily use and scratching effectively over time.
However, you cannot change the UID on these cards which limits their flexibility for some projects. Also, iPhones cannot write data to these cards even though Android devices can. This might be a barrier for mobile integration projects.
Choose these for corporate or hotel systems requiring strict identity management. They are best for you need guaranteed unique IDs that cannot be cloned or changed by unauthorized users.
Factory Locked UID
Sector 0 Block 0 is hardware locked preventing unauthorized UID changes for secure identification.
Commercial Durability
Designed for high-frequency commercial use with wear-resistant surface for longevity.
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9. 5 Pack T5577 125kHz Rewritable RFID Cards – Best for Small Testing
5 Pack T5577 125kHz Rewritable RFID Cards
Frequency: 125kHz
Chip: T5577
Count: 5 Cards
Usage: DIY Projects
This small pack is perfect for hobbyists needing a few cards for initial testing. With T5577 chips, they work with most common 125kHz readers and writers. It offers an affordable entry point for those unsure about bulk purchases for their projects.
Pros
- Affordable small pack
- Great for testing
- Supports common writers
Cons
- Low quantity
- Not rated by users
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The main benefit is the low cost for five cards allowing you to verify compatibility. You can use them to test access credentials or asset tracking tags without investing heavily. They are blank so you can program them to your specific needs easily.
A limitation is the low count which may run out quickly if you have many users. Also the lack of user ratings makes it harder to verify quality compared to larger packs. But for experimentation this is ideal.
Select this if you are starting a small DIY project or need replacements for a single system. It is best for testing before committing to larger bulk orders for security.
Testing Friendly
Five cards provide enough quantity to test writers and readers without high costs.
DIY Ready
Blank design allows custom information writing for personal ID projects quickly.
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10. 12 PCS T5577 Thick Smart Cards – Best Durable Design
12 PCS T5577 Thick Smart Cards
Frequency: 125kHz
Chip: T5577
Count: 12 Cards
Thickness: 1.8mm
These cards feature a thick 1.8mm design for added durability in rugged environments. With a 4.7 rating, users praise the clamshell construction that protects the internal chip effectively. They work with many 125kHz readers ensuring versatile application options.
Pros
- Extra thick shell
- Clamshell protection
- Compatible with many systems
Cons
- Not for ONITY locks
- Thick size may not fit all wallets
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The key advantage is the resistance to physical wear and tear. The thick profile makes them less likely to break during daily use compared to thin cards. This is crucial for sites with high traffic or rough conditions.
One downside is the thickness which might not fit all slim badge holders or wallets. Also note they do not work with ONITY locks so check your system type first. This limits their use in specific hotel categories.
Choose these for industrial or outdoor use where cards face heavy handling. They are best when you need robust cards that can withstand constant friction and bending.
Clamshell Protection
The clamshell design shields the internal antenna from damage during rough usage.
System Compatibility
Supports Wiegand Prox and H10301 formats for broad access control use.
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Buying Guide – How to Choose the Best Blank Rewritable Rfid Cards
Selecting the right card involves considering frequency chip type and usage needs. This guide covers essential factors to ensure compatibility and durability for your project.
Frequency Compatibility
The most critical factor is ensuring the card frequency matches your reader. 125kHz cards work with older systems while 13.56MHz cards support modern NFC protocols. Mismatched frequencies will result in no data transfer regardless of chip quality.
Always verify your reader specifications before purchasing to avoid wasted costs and compatibility issues.
Chip Type and Security
Chip types like T5577 are rewritable and flexible for cloning while MIFARE Classic offers better encryption. Choose T5577 for flexibility or MIFARE for higher security requirements. Some chips allow UID rewriting while others are locked for security.
Determine if you need secure unique IDs or flexible programmable options based on your access control needs.
Memory Capacity
Memory size dictates how much data you can store on the card. MIFARE 1K offers 1KB memory suitable for complex data while NTAG Ultralight has less. Consider what information you need to store on each card before buying.
Larger memory allows for more features but may increase cost and complexity for simple access tasks.
Durability and Material
Material quality affects how long the card lasts in physical use. PVC cards are standard but thicker versions offer better resistance to bending and scratching. Consider environmental factors like water exposure or rough handling when selecting.
Look for waterproof and scratch-resistant materials to ensure the card survives daily use conditions.
Writer Tool Requirements
Many blank cards require a writer to become functional. Ensure you have the correct tool for the chip type you choose. Some writers support multiple frequencies while others are specific to one range.
Budget for the writer tool if you do not already own one compatible with your card choice.
Bulk Quantity Needs
Buying in bulk often reduces the cost per card significantly. If you need cards for a team or event consider larger packs to save money. Small packs are better for testing or individual replacements.
Calculate the total number of users to choose the most cost-effective pack size available.
Printer Compatibility
If you need custom logos check if the card surface works with your printer type. Thermal printers require specific coatings while others work with inkjet. Ensure the card is labeled as printable for your intended method.
Choose a printable card if you plan to brand or label them visually for identification.
Legal and Compliance
Ensure you have authorization to program and use RFID cards for your systems. Unauthorized cloning of third-party cards may be illegal in some regions. Always verify permissions before writing data onto blank cards.
Respect local laws regarding access control and data ownership to avoid legal issues.
How to Use and Care for Your Blank Rewritable Rfid Cards
First ensure you have a compatible RFID writer that matches the card frequency. Connect the writer to your computer or power source and install necessary software drivers.
Place the blank card on the reader pad and send the write command via the software. Verify the data is stored by attempting a read operation with the same device.
Keep cards away from extreme heat and magnetic fields to prevent data corruption. Store them in a protective sleeve to avoid physical damage during storage or transport.
Frequently Asked Questions
Can I use these cards with my smartphone?
Most cards in this guide are for access control readers not smartphones. However, some 13.56MHz cards work with Android NFC readers but iPhones have limited support. Verify NFC compatibility before using with mobile devices.
How many times can I rewrite a card?
Most cards support around 100,000 rewrite cycles which is sufficient for daily use. The chip endurance ensures they last years even with frequent reprogramming attempts. Check specific product details for exact limits.
Do these cards work with hotel locks?
Only specific cards like T5577 work with older hotel locks but newer ones use secure keys. Check with your lock manufacturer for compatibility before buying to ensure it unlocks doors properly. Not all cards work on proprietary systems.
What is the difference between 125kHz and 13.56MHz?
125kHz is used for older proximity systems while 13.56MHz supports modern NFC protocols. The higher frequency allows for faster data transfer and more complex features. Choose based on what your existing hardware requires.
Are these cards waterproof?
Most PVC cards are water resistant but not fully waterproof for submersion. They can handle occasional rain or spills but avoid soaking them for long periods. Look for specific waterproof ratings if you need full protection.
Can I print images on these cards?
Yes but you need a compatible thermal or card printer not a standard inkjet. The surface must be designed for direct printing to ensure images stick properly. Check product details for printer compatibility lists.
Do I need to program the cards before using?
Yes all blank cards must be written with data before they will be recognized by readers. You need a separate writer device to send the necessary ID codes. The cards ship blank to ensure security and flexibility.
What is the maximum read distance?
Most cards work at a range of 2 to 4 inches depending on the reader strength. Higher power readers can extend this slightly but distance varies by environment. Keep cards close to the reader for reliable signal.
Final Thoughts on Choosing the Best Blank Rewritable Rfid Cards
The ten products reviewed offer reliable solutions for various access control needs. Whether you need 125kHz or 13.56MHz options there is a suitable card for your project type. Select based on frequency and memory to ensure compatibility.
Prioritize compatibility with your existing readers and security requirements before buying. Bulk packs offer better value for larger teams while single packs work for testing. Ensure you have the correct writer tool to use them effectively.
Always check current availability and offers as market conditions may change. Compare prices and specifications on the retailer site before making your final decision. This ensures you get the right value for your investment.