diff --git a/packages/imask/example.html b/packages/imask/example.html
index b049fbe3..e9b43169 100644
--- a/packages/imask/example.html
+++ b/packages/imask/example.html
@@ -12,14 +12,10 @@ <h1>IMask Core Demo</h1>
   <!-- <script src="https://unpkg.com/imask"></script> -->
   <script type="text/javascript">
     const opts = {
-      lazy: false,
-      mask: 'r0',
-      blocks: {
-        r: {
-          mask: 'a',
-          repeat: [2, 5],
-        },
-      },
+      mask: Number,
+      min: -10,
+      max: 2000,
+      autofix: true,
     };
 
     const input = document.getElementById('input');
diff --git a/packages/imask/src/core/change-details.ts b/packages/imask/src/core/change-details.ts
index 2e833dc1..8acee334 100644
--- a/packages/imask/src/core/change-details.ts
+++ b/packages/imask/src/core/change-details.ts
@@ -4,9 +4,9 @@ import IMask from "./holder";
 export
 type ChangeDetailsOptions = Pick<ChangeDetails,
   | 'inserted'
-  | 'skip'
   | 'tailShift'
   | 'rawInserted'
+  | 'skip'
 >;
 
 /** Provides details of changing model value */
@@ -14,12 +14,13 @@ export default
 class ChangeDetails {
   /** Inserted symbols */
   declare inserted: string;
-  /** Can skip chars */
-  declare skip: boolean;
   /** Additional offset if any changes occurred before tail */
   declare tailShift: number;
   /** Raw inserted is used by dynamic mask */
   declare rawInserted: string;
+  /** Can skip chars */
+  declare skip: boolean;
+
 
   static normalize (prep: string | [string, ChangeDetails]): [string, ChangeDetails] {
     return Array.isArray(prep) ? prep : [
@@ -32,17 +33,18 @@ class ChangeDetails {
     Object.assign(this, {
       inserted: '',
       rawInserted: '',
-      skip: false,
       tailShift: 0,
+      skip: false,
     }, details);
   }
 
   /** Aggregate changes */
   aggregate (details: ChangeDetails): this {
-    this.rawInserted += details.rawInserted;
-    this.skip = this.skip || details.skip;
     this.inserted += details.inserted;
+    this.rawInserted += details.rawInserted;
     this.tailShift += details.tailShift;
+    this.skip = this.skip || details.skip;
+
     return this;
   }
 
@@ -50,6 +52,10 @@ class ChangeDetails {
   get offset (): number {
     return this.tailShift + this.inserted.length;
   }
+
+  get consumed (): boolean {
+    return Boolean(this.rawInserted) || this.skip;
+  }
 }
 
 
diff --git a/packages/imask/src/masked/dynamic.ts b/packages/imask/src/masked/dynamic.ts
index 9168820a..47583ed7 100644
--- a/packages/imask/src/masked/dynamic.ts
+++ b/packages/imask/src/masked/dynamic.ts
@@ -120,12 +120,12 @@ class MaskedDynamic<Value=any> extends Masked<Value> {
         this.currentMask.reset();
 
         if (insertValue) {
-          const d = this.currentMask.append(insertValue, {raw: true});
-          details.tailShift = d.inserted.length - prevValueBeforeTail.length;
+          this.currentMask.append(insertValue, { raw: true });
+          details.tailShift = this.currentMask.value.length - prevValueBeforeTail.length;
         }
 
         if (tailValue) {
-          details.tailShift += this.currentMask.append(tailValue, {raw: true, tail: true}).tailShift;
+          details.tailShift += this.currentMask.append(tailValue, { raw: true, tail: true }).tailShift;
         }
       } else if (prevMaskState) {
         // Dispatch can do something bad with state, so
@@ -283,6 +283,7 @@ class MaskedDynamic<Value=any> extends Masked<Value> {
 
   override remove (fromPos?: number, toPos?: number): ChangeDetails {
     const details: ChangeDetails = new ChangeDetails();
+
     if (this.currentMask) {
       details.aggregate(this.currentMask.remove(fromPos, toPos))
         // update with dispatch
diff --git a/packages/imask/src/masked/number.ts b/packages/imask/src/masked/number.ts
index d9781e5f..cc838694 100644
--- a/packages/imask/src/masked/number.ts
+++ b/packages/imask/src/masked/number.ts
@@ -16,6 +16,7 @@ type MaskedNumberOptions = MaskedOptions<MaskedNumber,
   | 'max'
   | 'normalizeZeros'
   | 'padFractionalZeros'
+  | 'autofix'
 >;
 
 /** Number mask */
@@ -64,6 +65,8 @@ class MaskedNumber extends Masked<number> {
   declare format: (value: number, masked: Masked) => string;
   /** Parse string to get typed value */
   declare parse: (str: string, masked: Masked) => number;
+  /** */
+  declare autofix?: boolean;
 
   declare _numberRegExp: RegExp;
   declare _thousandsSeparatorRegExp: RegExp;
@@ -156,15 +159,47 @@ class MaskedNumber extends Masked<number> {
 
   
   override _appendCharRaw (ch: string, flags: AppendFlags={}): ChangeDetails {
-    if (!this.thousandsSeparator) return super._appendCharRaw(ch, flags);
-
     const prevBeforeTailValue = flags.tail && flags._beforeTailState ?
       flags._beforeTailState._value :
       this._value;
     const prevBeforeTailSeparatorsCount = this._separatorsCountFromSlice(prevBeforeTailValue);
     this._value = this._removeThousandsSeparators(this.value);
 
-    const appendDetails = super._appendCharRaw(ch, flags);
+    const oldValue = this._value;
+
+    this._value += ch;
+
+    const num = this.number;
+    let accepted = !isNaN(num);
+    let skip = false;
+
+    if (accepted) {
+      let fixedNum;
+      if (this.min != null && this.min < 0 && this.number < this.min) fixedNum = this.min;
+      if (this.max != null && this.max > 0 && this.number > this.max) fixedNum = this.max;
+
+      if (fixedNum != null) {
+        if (this.autofix) {
+          this._value = this.format(fixedNum, this).replace(MaskedNumber.UNMASKED_RADIX, this.radix);
+          skip ||= oldValue === this._value && !flags.tail; // if not changed on tail it's still ok to proceed
+        } else {
+          accepted = false;
+        }
+      }
+      accepted &&= Boolean(this._value.match(this._numberRegExp));
+    }
+
+    let appendDetails;
+    if (!accepted) {
+      this._value = oldValue;
+      appendDetails = new ChangeDetails();
+    } else {
+      appendDetails = new ChangeDetails({
+        inserted: this._value.slice(oldValue.length),
+        rawInserted: skip ? '' : ch,
+        skip,
+      });
+    }
 
     this._value = this._insertThousandsSeparators(this._value);
     const beforeTailValue = flags.tail && flags._beforeTailState ?
@@ -173,7 +208,6 @@ class MaskedNumber extends Masked<number> {
     const beforeTailSeparatorsCount = this._separatorsCountFromSlice(beforeTailValue);
 
     appendDetails.tailShift += (beforeTailSeparatorsCount - prevBeforeTailSeparatorsCount) * this.thousandsSeparator.length;
-    appendDetails.skip = !appendDetails.rawInserted && ch === this.thousandsSeparator;
     return appendDetails;
   }
 
@@ -243,23 +277,6 @@ class MaskedNumber extends Masked<number> {
     return cursorPos;
   }
 
-  override doValidate (flags: AppendFlags): boolean {
-    // validate as string
-    let valid = Boolean(this._removeThousandsSeparators(this.value).match(this._numberRegExp));
-
-    if (valid) {
-      // validate as number
-      const number = this.number;
-      valid = valid && !isNaN(number) &&
-        // check min bound for negative values
-        (this.min == null || this.min >= 0 || this.min <= this.number) &&
-        // check max bound for positive values
-        (this.max == null || this.max <= 0 || this.number <= this.max);
-    }
-
-    return valid && super.doValidate(flags);
-  }
-
   override doCommit () {
     if (this.value) {
       const number = this.number;
diff --git a/packages/imask/src/masked/pattern.ts b/packages/imask/src/masked/pattern.ts
index 61b3944a..1420bc23 100644
--- a/packages/imask/src/masked/pattern.ts
+++ b/packages/imask/src/masked/pattern.ts
@@ -320,7 +320,7 @@ class MaskedPattern<Value=string> extends Masked<Value> {
 
       details.aggregate(blockDetails);
 
-      if (blockDetails.skip || blockDetails.rawInserted) break; // go next char
+      if (blockDetails.consumed) break; // go next char
     }
 
     return details;
@@ -378,9 +378,7 @@ class MaskedPattern<Value=string> extends Masked<Value> {
     this._blocks.slice(startBlockIndex, endBlockIndex)
       .forEach(b => {
         if (!b.lazy || toBlockIndex != null) {
-          const bDetails = b._appendPlaceholder((b as MaskedPattern)._blocks?.length);
-          this._value += bDetails.inserted;
-          details.aggregate(bDetails);
+          details.aggregate(b._appendPlaceholder((b as MaskedPattern)._blocks?.length));
         }
       });
 
diff --git a/packages/imask/src/masked/pattern/chunk-tail-details.ts b/packages/imask/src/masked/pattern/chunk-tail-details.ts
index d26c8053..e5a79d08 100644
--- a/packages/imask/src/masked/pattern/chunk-tail-details.ts
+++ b/packages/imask/src/masked/pattern/chunk-tail-details.ts
@@ -78,7 +78,7 @@ class ChunksTailDetails implements TailDetails {
 
     const details = new ChangeDetails();
 
-    for (let ci=0; ci < this.chunks.length && !details.skip; ++ci) {
+    for (let ci=0; ci < this.chunks.length; ++ci) {
       const chunk = this.chunks[ci];
 
       const lastBlockIter = masked._mapPosToBlock(masked.displayValue.length);
@@ -93,17 +93,14 @@ class ChunksTailDetails implements TailDetails {
           // for continuous block also check if stop is exist
           masked._stops.indexOf(stop) >= 0
         ) {
-          const phDetails = masked._appendPlaceholder(stop);
-          details.aggregate(phDetails);
+          details.aggregate(masked._appendPlaceholder(stop));
         }
         chunkBlock = chunk instanceof ChunksTailDetails && masked._blocks[stop];
       }
 
       if (chunkBlock) {
         const tailDetails = chunkBlock.appendTail(chunk);
-        tailDetails.skip = false; // always ignore skip, it will be set on last
         details.aggregate(tailDetails);
-        masked._value += tailDetails.inserted;
 
         // get not inserted chars
         const remainChars = chunk.toString().slice(tailDetails.rawInserted.length);
diff --git a/packages/imask/src/masked/pattern/fixed-definition.ts b/packages/imask/src/masked/pattern/fixed-definition.ts
index 54827606..29ab3b21 100644
--- a/packages/imask/src/masked/pattern/fixed-definition.ts
+++ b/packages/imask/src/masked/pattern/fixed-definition.ts
@@ -92,15 +92,16 @@ class PatternFixedDefinition implements PatternBlock {
   }
 
   _appendChar (ch: string, flags: AppendFlags={}): ChangeDetails {
-    const details = new ChangeDetails();
-
-    if (this.isFilled) return details;
+    if (this.isFilled) return new ChangeDetails();
     const appendEager = this.eager === true || this.eager === 'append';
 
     const appended = this.char === ch;
     const isResolved = appended && (this.isUnmasking || flags.input || flags.raw) && (!flags.raw || !appendEager) && !flags.tail;
-    if (isResolved) details.rawInserted = this.char;
-    this._value = details.inserted = this.char;
+    const details = new ChangeDetails({
+      inserted: this.char,
+      rawInserted: isResolved ? this.char: '',
+    })
+    this._value = this.char;
     this._isRawInput = isResolved && (flags.raw || flags.input);
 
     return details;
diff --git a/packages/imask/src/masked/pattern/input-definition.ts b/packages/imask/src/masked/pattern/input-definition.ts
index 6fd85de8..9f474a0f 100644
--- a/packages/imask/src/masked/pattern/input-definition.ts
+++ b/packages/imask/src/masked/pattern/input-definition.ts
@@ -107,10 +107,10 @@ class PatternInputDefinition<Opts extends FactoryOpts=any> implements PatternBlo
 
     const state = this.masked.state;
     // simulate input
-    const details = this.masked._appendChar(ch, this.currentMaskFlags(flags));
+    let details = this.masked._appendChar(ch, this.currentMaskFlags(flags));
 
     if (details.inserted && this.doValidate(flags) === false) {
-      details.inserted = details.rawInserted = '';
+      details = new ChangeDetails();
       this.masked.state = state;
     }
 
@@ -129,13 +129,10 @@ class PatternInputDefinition<Opts extends FactoryOpts=any> implements PatternBlo
   }
 
   _appendPlaceholder (): ChangeDetails {
-    const details = new ChangeDetails();
-
-    if (this.isFilled || this.isOptional) return details;
+    if (this.isFilled || this.isOptional) return new ChangeDetails();
 
     this.isFilled = true;
-    details.inserted = this.placeholderChar;
-    return details;
+    return new ChangeDetails({ inserted: this.placeholderChar });
   }
 
   _appendEager (): ChangeDetails {
diff --git a/packages/imask/src/masked/repeat.ts b/packages/imask/src/masked/repeat.ts
index 01bfc371..f8fe04d1 100644
--- a/packages/imask/src/masked/repeat.ts
+++ b/packages/imask/src/masked/repeat.ts
@@ -87,7 +87,7 @@ class RepeatBlock<M extends FactoryArg> extends MaskedPattern {
 
       details.aggregate(blockDetails);
 
-      if (blockDetails.skip || blockDetails.rawInserted) break; // go next char
+      if (blockDetails.consumed) break; // go next char
     }
 
     return details;
diff --git a/packages/imask/test/masked/number.ts b/packages/imask/test/masked/number.ts
index 6c920adb..64ec082f 100644
--- a/packages/imask/test/masked/number.ts
+++ b/packages/imask/test/masked/number.ts
@@ -13,6 +13,8 @@ describe('MaskedNumber', function () {
       thousandsSeparator: '',
       radix: ',',
       scale: 2,
+      min: Number.MIN_SAFE_INTEGER,
+      max: Number.MAX_SAFE_INTEGER,
     });
     masked.unmaskedValue = '';
   });
@@ -113,4 +115,38 @@ describe('MaskedNumber', function () {
     masked.updateOptions({ scale: 0 });
     assert.strictEqual(masked.value, '99');
   });
+
+  describe('#autofix', function () {
+    const max = 200;
+    const min = -10;
+    
+    beforeEach(function () {
+      masked.updateOptions({
+        autofix: true,
+        max,
+        min,
+      });
+      masked.unmaskedValue = '100';
+    });
+
+    it('should round to max on input at the end', function () {
+      masked.splice(3, 0, '1', DIRECTION.NONE, { input: true, raw: true });
+      assert.strictEqual(masked.typedValue, max);
+    });
+
+    it('should round to max on input at the beginning', function () {
+      masked.splice(0, 0, '1', DIRECTION.NONE, { input: true, raw: true });
+      assert.strictEqual(masked.typedValue, max);
+    });
+
+    it('should round to max on input in the middle', function () {
+      masked.splice(1, 0, '1', DIRECTION.NONE, { input: true, raw: true });
+      assert.strictEqual(masked.typedValue, max);
+    });
+
+    it('should round to min on input sign at the beginning', function () {
+      masked.splice(0, 0, '-', DIRECTION.NONE, { input: true, raw: true });
+      assert.strictEqual(masked.typedValue, min);
+    });
+  });
 });